$MPWR
Monolithic Power Systems Inc Stock $mpwr

$mpwr Overview Financials Valuation SEC Filings Company Website

2024 Q3 Form 10-Q Financial Statement

#000143774924024477 Filed on August 02, 2024

Income Statement

Concept	2024 Q3	2024 Q2	2023 Q4
Revenue	$620.1M	$507.4M	$454.0M
YoY Change	30.59%	15.03%	-1.3%
Cost Of Revenue	$276.7M	$226.9M	$202.9M
YoY Change	30.92%	17.27%	5.56%
Gross Profit	$343.4M	$280.6M	$251.1M
YoY Change	30.32%	13.28%	-6.23%
Gross Profit Margin	55.38%	55.29%	55.31%
Selling, General & Admin	$94.36M	$86.10M	$70.10M
YoY Change	49.34%	20.14%	6.11%
% of Gross Profit	27.48%	30.69%	27.91%
Research & Development	$85.05M	$77.95M	$71.46M
YoY Change	31.28%	22.39%	15.87%
% of Gross Profit	24.76%	27.78%	28.46%
Depreciation & Amortization		$8.691M	$10.27M
YoY Change		-12.68%	17.15%
% of Gross Profit		3.1%	4.09%
Operating Expenses	$179.4M	$164.0M	$141.6M
YoY Change	40.2%	21.2%	10.82%
Operating Profit	$164.0M	$116.5M	$109.6M
YoY Change	20.99%	3.75%	-21.78%
Interest Expense	$6.805M	$6.630M	$6.519M
YoY Change	12.09%	1.33%	87.17%
% of Operating Profit	4.15%	5.69%	5.95%
Other Income/Expense, Net	$10.28M	$7.512M	$9.976M
YoY Change	349.02%	14.81%	2464.52%
Pretax Income	$174.3M	$124.0M	$119.5M
YoY Change	26.44%	4.36%	-15.07%
Income Tax	$29.88M	$23.70M	$22.64M
% Of Pretax Income	17.14%	19.11%	18.94%
Net Earnings	$144.4M	$100.4M	$96.91M
YoY Change	19.2%	0.87%	-18.63%
Net Earnings / Revenue	23.29%	19.78%	21.34%
Basic Earnings Per Share	$2.96	$2.06
Diluted Earnings Per Share	$2.95	$2.05	$1.98
COMMON SHARES
Basic Shares Outstanding	48.75M	48.67M	47.91M
Diluted Shares Outstanding	48.96M	48.95M

Balance Sheet

Concept	2024 Q3	2024 Q2	2023 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments		$1.307B	$1.108B
YoY Change		39.0%	50.23%
Cash & Equivalents	$700.3M	$550.5M	$527.8M
Short-Term Investments		$756.8M	$580.6M
Other Short-Term Assets	$108.5M	$105.5M	$147.5M
YoY Change	-1.38%	10.81%	245.01%
Inventory	$424.9M	$426.8M	$383.7M
Prepaid Expenses	$31.38M	$27.57M	$28.96M
Receivables	$164.7M	$157.9M	$179.9M
Other Receivables	$0.00	$0.00	$50.00M
Total Short-Term Assets	$2.160B	$1.997B	$1.819B
YoY Change	24.49%	22.37%	28.99%
LONG-TERM ASSETS
Property, Plant & Equipment	$436.3M	$400.5M	$369.0M
YoY Change	21.78%	17.15%	3.3%
Goodwill	$26.08M	$26.08M	$6.571M
YoY Change	296.9%	296.9%	0.0%
Intangibles	$10.23M	$10.51M	$0.00
YoY Change
Long-Term Investments
YoY Change
Other Assets	$191.0M	$183.9M	$211.3M
YoY Change	-6.47%	-9.88%	-15.25%
Total Long-Term Assets	$694.3M	$650.7M	$614.9M
YoY Change	17.14%	10.61%	-5.15%
TOTAL ASSETS
Total Short-Term Assets	$2.160B	$1.997B	$1.819B
Total Long-Term Assets	$694.3M	$650.7M	$614.9M
Total Assets	$2.855B	$2.648B	$2.434B
YoY Change	22.62%	19.25%	18.24%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$115.9M	$99.89M	$62.96M
YoY Change	79.06%	41.46%	2.44%
Accrued Expenses	$139.4M	$131.3M	$115.8M
YoY Change	15.54%	15.82%	1.86%
Deferred Revenue	$6.315M	$5.564M	$2.792M
YoY Change
Short-Term Debt		$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$336.6M	$295.2M	$235.0M
YoY Change	34.63%	17.67%	-10.77%
LONG-TERM LIABILITIES
Long-Term Debt		$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$101.8M	$96.68M	$88.66M
YoY Change	31.53%	26.11%	20.83%
Total Long-Term Liabilities	$101.8M	$96.68M	$88.66M
YoY Change	31.53%	26.11%	20.83%
TOTAL LIABILITIES
Total Short-Term Liabilities	$336.6M	$295.2M	$235.0M
Total Long-Term Liabilities	$101.8M	$96.68M	$88.66M
Total Liabilities	$503.1M	$452.3M	$384.4M
YoY Change	31.27%	18.54%	-1.5%
SHAREHOLDERS EQUITY
Retained Earnings	$1.099B	$1.016B	$947.1M
YoY Change	22.17%	22.83%	32.2%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.352B	$2.196B	$2.050B
YoY Change
Total Liabilities & Shareholders Equity	$2.855B	$2.648B	$2.434B
YoY Change	22.62%	19.25%	18.24%

Cashflow Statement

Concept	2024 Q3	2024 Q2	2023 Q4
OPERATING ACTIVITIES
Net Income	$144.4M	$100.4M	$96.91M
YoY Change	19.2%	0.87%	-18.63%
Depreciation, Depletion And Amortization		$8.691M	$10.27M
YoY Change		-12.68%	17.15%
Cash From Operating Activities		$141.0M	$153.3M
YoY Change		56.32%	193.69%
INVESTING ACTIVITIES
Capital Expenditures		$49.68M	$13.78M
YoY Change		534.74%	7.3%
Acquisitions
YoY Change
Other Investing Activities		$46.33M	$47.75M
YoY Change		-1196.83%	-227.89%
Cash From Investing Activities		-$3.351M	$33.97M
YoY Change		-72.19%	-167.71%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		-73.64M	-54.42M
YoY Change		47.42%	51.79%
NET CHANGE
Cash From Operating Activities		141.0M	153.3M
Cash From Investing Activities		-3.351M	33.97M
Cash From Financing Activities		-73.64M	-54.42M
Net Change In Cash		63.99M	132.9M
YoY Change		127.05%	-492.71%
FREE CASH FLOW
Cash From Operating Activities		$141.0M	$153.3M
Capital Expenditures		$49.68M	$13.78M
Free Cash Flow		$91.29M	$139.5M
YoY Change		10.85%	254.49%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
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CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2024Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2024Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000
CY2024Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	48698000
CY2024Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	48698000
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	48028000
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	48028000
CY2024Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	50000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	158000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-198000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	469000	usd
CY2024Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.25
CY2023Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.5
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2
CY2024Q2	us-gaap	Restricted Cash Current RestrictedCashCurrent	0	usd
CY2023Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	33204000	usd
CY2024Q2	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2024#OtherAssetsNoncurrent
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2024#OtherAssetsNoncurrent
CY2024Q2	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2024#AccruedLiabilitiesCurrent
CY2023Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2024#AccruedLiabilitiesCurrent
CY2024Q2	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2024#OtherLiabilitiesNoncurrent
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2024#OtherLiabilitiesNoncurrent
CY2024Q2	mpwr	Lessee Operating Lease Lease Not Yet Commenced Future Lease Obligations LesseeOperatingLeaseLeaseNotYetCommencedFutureLeaseObligations	0	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	pure
CY2024Q2	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2024Q2	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2024Q2	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q2	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2024-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	000-51026
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	77-0466789
	dei	Entity Address Address Line1 EntityAddressAddressLine1	5808 Lake Washington Blvd. NE
	dei	Entity Address City Or Town EntityAddressCityOrTown	Kirkland
	dei	Entity Address State Or Province EntityAddressStateOrProvince	WA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	98033
	dei	City Area Code CityAreaCode	425
	dei	Local Phone Number LocalPhoneNumber	296-9956
	dei	Trading Symbol TradingSymbol	MPWR
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	48752000
CY2024Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	550475000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	527843000	usd
CY2024Q2	us-gaap	Short Term Investments ShortTermInvestments	756770000	usd
CY2023Q4	us-gaap	Short Term Investments ShortTermInvestments	580633000	usd
CY2024Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	157890000	usd
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CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	0	usd
CY2024Q2	us-gaap	Goodwill Goodwill	26080000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	6571000	usd
CY2024Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	29707000	usd
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CY2024Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	183866000	usd
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CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	62958000	usd
CY2024Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	63917000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	56286000	usd
CY2024Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	131348000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	115791000	usd
CY2024Q2	us-gaap	Liabilities Current LiabilitiesCurrent	295159000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	235035000	usd
CY2024Q2	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	60440000	usd
CY2023Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	60724000	usd
CY2024Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	96675000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	88655000	usd
CY2024Q2	us-gaap	Liabilities Liabilities	452274000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	384414000	usd
CY2024Q2	us-gaap	Common Stocks Including Additional Paid In Capital CommonStocksIncludingAdditionalPaidInCapital	1224144000	usd
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CY2024Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	507431000	usd
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	441128000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	965316000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	892193000	usd
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CY2023Q2	us-gaap	Cost Of Revenue CostOfRevenue	193453000	usd
	us-gaap	Cost Of Revenue CostOfRevenue	432297000	usd
	us-gaap	Cost Of Revenue CostOfRevenue	385738000	usd
CY2024Q2	us-gaap	Gross Profit GrossProfit	280578000	usd
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	us-gaap	Gross Profit GrossProfit	533019000	usd
	us-gaap	Gross Profit GrossProfit	506455000	usd
CY2024Q2	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	77945000	usd
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	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	153935000	usd
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CY2023Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	71662000	usd
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	us-gaap	Operating Expenses OperatingExpenses	269854000	usd
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CY2023Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	112325000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	212023000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	236601000	usd
CY2024Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	7512000	usd
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	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	17052000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	11840000	usd
CY2024Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	124048000	usd
CY2023Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	118868000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	229075000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	248441000	usd
CY2024Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23682000	usd
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	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	36168000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	39135000	usd
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	us-gaap	Net Income Loss NetIncomeLoss	192907000	usd
	us-gaap	Net Income Loss NetIncomeLoss	209306000	usd
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	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.96
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.42
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	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.94
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	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47361000
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	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48935000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48705000
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	100366000	usd
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	us-gaap	Net Income Loss NetIncomeLoss	192907000	usd
	us-gaap	Net Income Loss NetIncomeLoss	209306000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-4313000	usd
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	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-18135000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-23261000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	368000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	728000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	703000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2941000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3945000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-25452000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-17432000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-20320000	usd
CY2024Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	96421000	usd
CY2023Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	74052000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	175475000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	188986000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	2113557000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	100366000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3945000	usd
CY2024Q2	us-gaap	Dividends Dividends	61882000	usd
CY2024Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2024Q2	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	4550000	usd
CY2024Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	52312000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	2195858000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	1776261000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	99504000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-25452000	usd
CY2023Q2	us-gaap	Dividends Dividends	49223000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	4000	usd
CY2023Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	37995000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	1839089000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	2049939000	usd
	us-gaap	Net Income Loss NetIncomeLoss	192907000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-17432000	usd
	us-gaap	Dividends Dividends	123763000	usd
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	4606000	usd
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	8626000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	98227000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	2195858000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1668602000	usd
	us-gaap	Net Income Loss NetIncomeLoss	209306000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-20320000	usd
	us-gaap	Dividends Dividends	98353000	usd
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	1114000	usd
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	3737000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	75003000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	1839089000	usd
	us-gaap	Net Income Loss NetIncomeLoss	192907000	usd
	us-gaap	Net Income Loss NetIncomeLoss	209306000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	16942000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	19940000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	10040000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-56000	usd
	mpwr	Gain Loss On Deferred Compensation Plan Investments Cash Flow GainLossOnDeferredCompensationPlanInvestmentsCashFlow	5285000	usd
	mpwr	Gain Loss On Deferred Compensation Plan Investments Cash Flow GainLossOnDeferredCompensationPlanInvestmentsCashFlow	5022000	usd
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	-0	usd
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	1424000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5821000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-984000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	98232000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	75001000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-77000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-0	usd
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-21951000	usd
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-13544000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	42350000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-19847000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-60590000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4881000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	30725000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	12653000	usd
	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	8353000	usd
	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-20613000	usd
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	7459000	usd
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-14802000	usd
	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	15286000	usd
	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	6371000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	389026000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	308992000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	47498000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	16681000	usd
	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	18175000	usd
	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	-0	usd
	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	589615000	usd
	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	211407000	usd
	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	420514000	usd
	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	232206000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	33283000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-0	usd
	mpwr	Contributions Made To Deferred Compensation Plan ContributionsMadeToDeferredCompensationPlan	1309000	usd
	mpwr	Contributions Made To Deferred Compensation Plan ContributionsMadeToDeferredCompensationPlan	3855000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-269366000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	263000	usd
	mpwr	Property And Equipment Purchased On Extended Payment Terms PropertyAndEquipmentPurchasedOnExtendedPaymentTerms	2010000	usd
	mpwr	Property And Equipment Purchased On Extended Payment Terms PropertyAndEquipmentPurchasedOnExtendedPaymentTerms	1192000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	0	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	1114000	usd
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	4606000	usd
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	3737000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	8626000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	-0	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	117608000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	85863000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-123638000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-82204000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-6603000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-8696000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-10581000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	218355000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	561181000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	288729000	usd
CY2024Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	550600000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	507084000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	34064000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	58216000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	7488000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	2586000	usd
CY2024Q2	mpwr	Dividends And Dividend Equivalents Accrued DividendsAndDividendEquivalentsAccrued	62949000	usd
CY2023Q2	mpwr	Dividends And Dividend Equivalents Accrued DividendsAndDividendEquivalentsAccrued	51037000	usd
	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;margin:0pt;"><b><i>Use of Estimates</i></b></p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;margin:0pt;">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and reported amounts of revenue and expenses during the reporting period. Significant estimates and assumptions used in these condensed consolidated financial statements primarily include those related to revenue recognition, inventory valuation, valuation of share-based awards, contingencies and income tax valuation allowances. Actual results could differ from these estimates and assumptions, and any such differences <em style="font: inherit;"> may </em>be material to the Company’s condensed consolidated financial statements.</p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"></p>
CY2024Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	52306000	usd
CY2023Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	37992000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	98232000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	75001000	usd
CY2024Q2	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	798000	usd
CY2023Q2	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	663000	usd
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1506000	usd
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1086000	usd
CY2024Q2	us-gaap	Share Price SharePrice	821.68
CY2024Q1	us-gaap	Share Price SharePrice	632.98
CY2024Q1	us-gaap	Share Price SharePrice	632.98
CY2024Q2	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	93435000	usd
CY2023Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	118917000	usd
CY2024Q2	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	164116000	usd
CY2023Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	112750000	usd
CY2024Q2	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	169200000	usd
CY2023Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	152035000	usd
CY2024Q2	us-gaap	Inventory Net InventoryNet	426751000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	383702000	usd
CY2024Q2	mpwr	Prepaid Wafer Purchases Current PrepaidWaferPurchasesCurrent	60000000	usd
CY2023Q4	mpwr	Prepaid Wafer Purchases Current PrepaidWaferPurchasesCurrent	0	usd
CY2024Q2	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	27570000	usd
CY2023Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	28964000	usd
CY2024Q2	mpwr	Tax Withholding Share Based Payment Arrangement Proceeds Receivable TaxWithholdingShareBasedPaymentArrangementProceedsReceivable	71000	usd
CY2023Q4	mpwr	Tax Withholding Share Based Payment Arrangement Proceeds Receivable TaxWithholdingShareBasedPaymentArrangementProceedsReceivable	20141000	usd
CY2024Q2	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	0	usd
CY2023Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	50000000	usd
CY2024Q2	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	17906000	usd
CY2023Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	15154000	usd
CY2024Q2	us-gaap	Other Assets Current OtherAssetsCurrent	105547000	usd
CY2023Q4	us-gaap	Other Assets Current OtherAssetsCurrent	147463000	usd
CY2024Q2	mpwr	Prepaid Wafer Purchase Current PrepaidWaferPurchaseCurrent	60000000	usd
CY2023Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	50000000	usd
CY2024Q2	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	84975000	usd
CY2023Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	78381000	usd
CY2024Q2	mpwr	Prepaid Wafer Purchase Noncurrent PrepaidWaferPurchaseNoncurrent	60000000	usd
CY2023Q4	mpwr	Prepaid Wafer Purchase Noncurrent PrepaidWaferPurchaseNoncurrent	120000000	usd
CY2024Q2	mpwr	Operating Lease Rightofuse Asset And Related Assets OperatingLeaseRightofuseAssetAndRelatedAssets	33681000	usd
CY2023Q4	mpwr	Operating Lease Rightofuse Asset And Related Assets OperatingLeaseRightofuseAssetAndRelatedAssets	8355000	usd
CY2024Q2	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	5210000	usd
CY2023Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	4541000	usd
CY2024Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	183866000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	211277000	usd
CY2024Q2	mpwr	Dividends And Dividend Equivalents DividendsAndDividendEquivalents	62524000	usd
CY2023Q4	mpwr	Dividends And Dividend Equivalents DividendsAndDividendEquivalents	57697000	usd
CY2024Q2	mpwr	Stock Rotation Reserve StockRotationReserve	21716000	usd
CY2023Q4	mpwr	Stock Rotation Reserve StockRotationReserve	18843000	usd
CY2024Q2	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	14702000	usd
CY2023Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	16906000	usd
CY2024Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	5564000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	2792000	usd
CY2024Q2	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	4249000	usd
CY2023Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	1277000	usd
CY2024Q2	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	9641000	usd
CY2023Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	8063000	usd
CY2024Q2	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	12952000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	10213000	usd
CY2024Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	131348000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	115791000	usd
CY2024Q2	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	80115000	usd
CY2023Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	80903000	usd
CY2024Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	13045000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	5565000	usd
CY2024Q2	mpwr	Dividend Equivalents Noncurrent DividendEquivalentsNoncurrent	3515000	usd
CY2023Q4	mpwr	Dividend Equivalents Noncurrent DividendEquivalentsNoncurrent	2187000	usd
CY2024Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	96675000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	88655000	usd
CY2024Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	15956000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8355000	usd
CY2024Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2446000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2303000	usd
CY2024Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	13045000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	5565000	usd
CY2024Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	1014000	usd
CY2023Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	759000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	1911000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	1475000	usd
CY2024Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	648000	usd
CY2023Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	554000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1198000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1092000	usd
CY2024Q2	us-gaap	Lease Cost LeaseCost	1662000	usd
CY2023Q2	us-gaap	Lease Cost LeaseCost	1313000	usd
	us-gaap	Lease Cost LeaseCost	3109000	usd
	us-gaap	Lease Cost LeaseCost	2567000	usd
CY2024Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	1027000	usd
CY2023Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	774000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	1700000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	1638000	usd
CY2024Q2	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	7809000	usd
CY2023Q2	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	290000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	9271000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	4835000	usd
CY2024Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y1M6D
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y8M12D
CY2024Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.054	pure
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.043	pure
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	1617000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	2997000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	2249000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2012000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1380000	usd
CY2024Q2	mpwr	Lessee Operating Lease Liability Payments Due Thereafter LesseeOperatingLeaseLiabilityPaymentsDueThereafter	12534000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	22789000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7298000	usd
CY2024Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	15491000	usd
CY2024Q2	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	200000	usd
CY2023Q2	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	300000	usd
	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	400000	usd
	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	800000	usd
CY2024Q2	us-gaap	Lessor Operating Lease Payments To Be Received Remainder Of Fiscal Year LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear	525000	usd
CY2024Q2	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	578000	usd
CY2024Q2	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	402000	usd
CY2024Q2	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	373000	usd
CY2024Q2	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	384000	usd
CY2024Q2	mpwr	Lessor Operating Lease Payment To Be Received After Year Four LessorOperatingLeasePaymentToBeReceivedAfterYearFour	129000	usd
CY2024Q2	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	2391000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	100366000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	99504000	usd
	us-gaap	Net Income Loss NetIncomeLoss	192907000	usd
	us-gaap	Net Income Loss NetIncomeLoss	209306000	usd
CY2024Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48687000
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47489000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48660000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47361000
CY2024Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	258000
CY2023Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1267000
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	275000
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1344000
CY2024Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48945000
CY2023Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48756000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48935000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48705000
CY2024Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.06
CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.1
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.96
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.42
CY2024Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.05
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.04
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.94
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.3
CY2024Q2	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	6300
	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	12400
CY2024Q2	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	4500000	usd
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	8600000	usd
CY2024Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	507431000	usd
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	441128000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	965316000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	892193000	usd
CY2024Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	507431000	usd
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	441128000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	965316000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	892193000	usd
CY2024Q2	us-gaap	Noncurrent Assets NoncurrentAssets	400534000	usd
CY2023Q4	us-gaap	Noncurrent Assets NoncurrentAssets	368952000	usd
CY2024Q1	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	12873000	usd
CY2023Q1	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	19726000	usd
CY2023Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	16906000	usd
CY2022Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	24082000	usd
CY2024Q2	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	2225000	usd
CY2023Q2	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	580000	usd
	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	2325000	usd
	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	942000	usd
CY2024Q2	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	116000	usd
CY2023Q2	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	1581000	usd
	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	4130000	usd
	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	2253000	usd
CY2024Q2	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-280000	usd
CY2023Q2	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-1071000	usd
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-399000	usd
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-5117000	usd
CY2024Q2	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	14702000	usd
CY2023Q2	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	17654000	usd
CY2024Q2	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	14702000	usd
CY2023Q2	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	17654000	usd
CY2024Q2	mpwr	Prepaid Wafer Purchase Current PrepaidWaferPurchaseCurrent	60000000	usd
CY2024Q2	us-gaap	Purchase Obligation Future Minimum Payments Remainder Of Fiscal Year PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear	151590000	usd
CY2024Q2	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	388949000	usd
CY2024Q2	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	1572000	usd
CY2024Q2	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	29476000	usd
CY2024Q2	us-gaap	Purchase Obligation PurchaseObligation	571587000	usd
CY2024Q2	us-gaap	Cash Cash	357743000	usd
CY2023Q4	us-gaap	Cash Cash	392329000	usd
CY2024Q2	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	192732000	usd
CY2023Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	135514000	usd
CY2024Q2	us-gaap	Certificates Of Deposit At Carrying Value CertificatesOfDepositAtCarryingValue	165120000	usd
CY2023Q4	us-gaap	Certificates Of Deposit At Carrying Value CertificatesOfDepositAtCarryingValue	127123000	usd
CY2024Q2	us-gaap	Us Government Securities At Carrying Value USGovernmentSecuritiesAtCarryingValue	568921000	usd
CY2023Q4	us-gaap	Us Government Securities At Carrying Value USGovernmentSecuritiesAtCarryingValue	358409000	usd
CY2024Q2	mpwr	Cash Cash Equivalents And Investments CashCashEquivalentsAndInvestments	1307590000	usd
CY2023Q4	mpwr	Cash Cash Equivalents And Investments CashCashEquivalentsAndInvestments	1109043000	usd
CY2024Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	550475000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	527843000	usd
CY2024Q2	us-gaap	Short Term Investments ShortTermInvestments	756770000	usd
CY2023Q4	us-gaap	Short Term Investments ShortTermInvestments	580633000	usd
CY2024Q2	us-gaap	Long Term Investments LongTermInvestments	345000	usd
CY2023Q4	us-gaap	Long Term Investments LongTermInvestments	567000	usd
CY2024Q2	mpwr	Cash Cash Equivalents And Investments CashCashEquivalentsAndInvestments	1307590000	usd
CY2023Q4	mpwr	Cash Cash Equivalents And Investments CashCashEquivalentsAndInvestments	1109043000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	722601000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	721901000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	34969000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	34869000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	350000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	345000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	757920000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	757115000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	950652000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	6000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	811000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	949847000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	718024000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	331000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1641000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	716714000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	474947000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	214000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	39974000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	597000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	514921000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	811000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	118391000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	114000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	71373000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1527000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	189764000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	1641000	usd
CY2024Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	550475000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	527843000	usd
CY2024Q2	us-gaap	Restricted Cash Current RestrictedCashCurrent	0	usd
CY2023Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	33204000	usd
CY2024Q2	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	125000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	134000	usd
CY2024Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	550600000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	561181000	usd
CY2024Q2	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1008775000	usd
CY2023Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	771550000	usd
CY2024Q2	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	84975000	usd
CY2023Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	78381000	usd
CY2024Q2	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	87649000	usd
CY2023Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	81287000	usd
CY2024Q2	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	6630000	usd
CY2023Q2	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	5965000	usd
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	13544000	usd
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	10773000	usd
CY2024Q2	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	5917000	usd
CY2023Q2	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	204000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	10040000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-56000	usd
CY2024Q2	mpwr	Gain Loss On Deferred Compensation Plan Investments GainLossOnDeferredCompensationPlanInvestments	-5035000	usd
CY2023Q2	mpwr	Gain Loss On Deferred Compensation Plan Investments GainLossOnDeferredCompensationPlanInvestments	374000	usd
	mpwr	Gain Loss On Deferred Compensation Plan Investments GainLossOnDeferredCompensationPlanInvestments	-6532000	usd
	mpwr	Gain Loss On Deferred Compensation Plan Investments GainLossOnDeferredCompensationPlanInvestments	1123000	usd
CY2024Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	7512000	usd
CY2023Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	6543000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	17052000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	11840000	usd
CY2024Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23700000	usd
CY2024Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.191	pure
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	36200000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.158	pure
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2023Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19400000	usd
CY2023Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.163	pure
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	39100000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.158	pure
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2024Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.25
CY2023Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.5
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2
CY2024Q2	us-gaap	Dividends Common Stock DividendsCommonStock	60872000	usd
CY2023Q2	us-gaap	Dividends Common Stock DividendsCommonStock	47530000	usd
	us-gaap	Dividends Common Stock DividendsCommonStock	121706000	usd
	us-gaap	Dividends Common Stock DividendsCommonStock	94860000	usd
CY2024Q2	us-gaap	Dividends Payable Current DividendsPayableCurrent	60900000	usd
CY2023Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	47900000	usd
CY2024Q2	mpwr	Accrued Dividend Equivalents AccruedDividendEquivalents	5200000	usd
CY2023Q4	mpwr	Accrued Dividend Equivalents AccruedDividendEquivalents	11900000	usd

Files In Submission

Name	View Source	Status
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0001437749-24-024477-xbrl.zip	Edgar Link	pending
ex_675799.htm	Edgar Link	pending
ex_675800.htm	Edgar Link	pending
ex_675801.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
mpwr-20240630.xsd	Edgar Link	pending
mpwr20240630_10q.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
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mpwr-20240630_cal.xml	Edgar Link	unprocessable
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$MPWR
Monolithic Power Systems Inc Stock $mpwr

2024 Q3 Form 10-Q Financial Statement

#000143774924024477 Filed on August 02, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MPWR Monolithic Power Systems Inc Stock $mpwr

2024 Q3 Form 10-Q Financial Statement

#000143774924024477 Filed on August 02, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MPWR
Monolithic Power Systems Inc Stock $mpwr