$MPWR
Monolithic Power Systems Inc

2020 Q2 Form 10-Q Financial Statement

#000143774920016315 Filed on August 03, 2020

View on sec.gov

Income Statement

Concept 2020 Q2 2019 Q2 2019 Q1
Revenue $186.2M $151.0M $141.4M
YoY Change 23.31% 8.05% 9.46%
Cost Of Revenue $83.62M $67.78M $63.36M
YoY Change 23.36% 8.98% 9.89%
Gross Profit $102.6M $83.23M $78.01M
YoY Change 23.27% 7.3% 9.11%
Gross Profit Margin 55.1% 55.11% 55.18%
Selling, General & Admin $40.88M $35.06M $30.55M
YoY Change 16.62% 22.75% 11.84%
% of Gross Profit 39.85% 42.12% 39.17%
Research & Development $31.67M $27.55M $25.46M
YoY Change 14.99% 17.31% 17.81%
% of Gross Profit 30.87% 33.1% 32.64%
Depreciation & Amortization $4.500M $3.700M $3.255M
YoY Change 21.62% 23.33% 18.15%
% of Gross Profit 4.39% 4.45% 4.17%
Operating Expenses $74.64M $63.11M $56.29M
YoY Change 18.27% 19.79% 13.81%
Operating Profit $27.96M $20.12M $21.72M
YoY Change 38.95% -19.14% -1.45%
Interest Expense $2.388M $1.661M $1.696M
YoY Change 43.77% 6.27% 16.16%
% of Operating Profit 8.54% 8.26% 7.81%
Other Income/Expense, Net $5.200M $2.229M $3.341M
YoY Change 133.29% -0.13% 659.32%
Pretax Income $33.16M $22.35M $25.06M
YoY Change 48.36% -17.58% 11.48%
Income Tax $3.000M $1.700M -$1.100M
% Of Pretax Income 9.05% 7.61% -4.39%
Net Earnings $30.17M $20.69M $26.18M
YoY Change 45.78% -14.51% 19.79%
Net Earnings / Revenue 16.2% 13.7% 18.52%
Basic Earnings Per Share $0.67 $0.48 $0.61
Diluted Earnings Per Share $0.64 $0.45 $0.58
COMMON SHARES
Basic Shares Outstanding 44.79M 43.11M 42.75M
Diluted Shares Outstanding 46.83M 45.48M 45.23M

Balance Sheet

Concept 2020 Q2 2019 Q2 2019 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments $512.3M $366.5M $359.0M
YoY Change 39.78% 16.91% 16.82%
Cash & Equivalents $156.5M $197.0M $181.8M
Short-Term Investments $355.8M $169.5M $177.3M
Other Short-Term Assets $29.29M $19.65M $13.63M
YoY Change 49.08% 40.58% -18.42%
Inventory $152.1M $143.6M $142.5M
Prepaid Expenses $15.54M $2.913M $3.298M
Receivables $55.10M $55.40M $58.89M
Other Receivables $11.00M $6.600M $6.300M
Total Short-Term Assets $748.9M $585.1M $574.1M
YoY Change 27.98% 14.77% 18.59%
LONG-TERM ASSETS
Property, Plant & Equipment $252.0M $213.8M $205.5M
YoY Change 17.84% 41.93% 33.64%
Goodwill $6.571M $6.571M $6.571M
YoY Change 0.0% 0.0% 0.0%
Intangibles
YoY Change
Long-Term Investments $3.000M $3.200M $3.300M
YoY Change -6.25% -38.46% -37.74%
Other Assets $47.28M $42.68M $41.99M
YoY Change 10.78% 36.19% 33.16%
Total Long-Term Assets $322.3M $283.0M $274.1M
YoY Change 13.89% 34.68% 28.3%
TOTAL ASSETS
Total Short-Term Assets $748.9M $585.1M $574.1M
Total Long-Term Assets $322.3M $283.0M $274.1M
Total Assets $1.071B $868.1M $848.2M
YoY Change 23.39% 20.58% 21.56%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $45.17M $26.54M $27.26M
YoY Change 70.17% -0.54% -0.92%
Accrued Expenses $58.83M $38.62M $45.35M
YoY Change 52.35% 16.9% 38.55%
Deferred Revenue $6.731M $3.203M $2.927M
YoY Change 110.15%
Short-Term Debt $0.00 $0.00 $0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities $136.8M $88.12M $91.58M
YoY Change 55.23% 16.98% 24.93%
LONG-TERM LIABILITIES
Long-Term Debt $0.00 $0.00 $0.00
YoY Change
Other Long-Term Liabilities $49.80M $43.44M $42.01M
YoY Change 14.65% 24.56% 22.61%
Total Long-Term Liabilities $49.80M $43.44M $42.01M
YoY Change 14.65% 24.56% 22.61%
TOTAL LIABILITIES
Total Short-Term Liabilities $136.8M $88.12M $91.58M
Total Long-Term Liabilities $49.80M $43.44M $42.01M
Total Liabilities $222.2M $164.0M $168.0M
YoY Change 35.53% 16.34% 20.43%
SHAREHOLDERS EQUITY
Retained Earnings $247.9M $204.5M $202.4M
YoY Change 21.19% 25.59% 32.92%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $848.9M $704.2M $680.3M
YoY Change
Total Liabilities & Shareholders Equity $1.071B $868.1M $848.2M
YoY Change 23.39% 20.58% 21.56%

Cashflow Statement

Concept 2020 Q2 2019 Q2 2019 Q1
OPERATING ACTIVITIES
Net Income $30.17M $20.69M $26.18M
YoY Change 45.78% -14.51% 19.79%
Depreciation, Depletion And Amortization $4.500M $3.700M $3.255M
YoY Change 21.62% 23.33% 18.15%
Cash From Operating Activities $59.30M $44.10M $38.84M
YoY Change 34.47% 73.62% 138.37%
INVESTING ACTIVITIES
Capital Expenditures -$14.50M -$19.20M $58.38M
YoY Change -24.48% 242.86% 688.86%
Acquisitions
YoY Change
Other Investing Activities -$17.10M $7.900M $28.60M
YoY Change -316.46% 777.78% -260.67%
Cash From Investing Activities -$31.60M -$11.30M -$30.78M
YoY Change 179.65% 140.43% 22.14%
FINANCING ACTIVITIES
Cash Dividend Paid $12.76M
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -26.20M -15.90M -$761.0K
YoY Change 64.78% 31.4% -173.67%
NET CHANGE
Cash From Operating Activities 59.30M 44.10M $38.84M
Cash From Investing Activities -31.60M -11.30M -$30.78M
Cash From Financing Activities -26.20M -15.90M -$761.0K
Net Change In Cash 1.500M 16.90M $7.294M
YoY Change -91.12% 96.51% -208.22%
FREE CASH FLOW
Cash From Operating Activities $59.30M $44.10M $38.84M
Capital Expenditures -$14.50M -$19.20M $58.38M
Free Cash Flow $73.80M $63.30M -$19.54M
YoY Change 16.59% 104.19% -319.75%

Facts In Submission

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CY2019Q4 us-gaap Stockholders Equity
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773491000 USD
us-gaap Net Income Loss
NetIncomeLoss
65922000 USD
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
1392000 USD
us-gaap Dividends
Dividends
47508000 USD
us-gaap Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures
StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
14110000 USD
us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
1892000 USD
us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
39646000 USD
CY2020Q2 us-gaap Stockholders Equity
StockholdersEquity
848945000 USD
CY2018Q4 us-gaap Stockholders Equity
StockholdersEquity
640093000 USD
us-gaap Net Income Loss
NetIncomeLoss
46874000 USD
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
1405000 USD
us-gaap Dividends
Dividends
37069000 USD
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
6994000 USD
us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-3000 USD
us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-15000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-1121000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-216000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments Cash Flow
GainLossOnDeferredCompensationPlanInvestmentsCashFlow
-178000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments Cash Flow
GainLossOnDeferredCompensationPlanInvestmentsCashFlow
2555000 USD
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
3400000 USD
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-20000 USD
us-gaap Share Based Compensation
ShareBasedCompensation
39606000 USD
us-gaap Share Based Compensation
ShareBasedCompensation
38719000 USD
us-gaap Increase Decrease In Receivables
IncreaseDecreaseInReceivables
2428000 USD
us-gaap Increase Decrease In Receivables
IncreaseDecreaseInReceivables
176000 USD
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
24580000 USD
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
7205000 USD
us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
10001000 USD
us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
42000 USD
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
15489000 USD
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
2153000 USD
us-gaap Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
6773000 USD
us-gaap Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
4124000 USD
us-gaap Increase Decrease In Accrued Income Taxes Payable
IncreaseDecreaseInAccruedIncomeTaxesPayable
-61000 USD
us-gaap Increase Decrease In Accrued Income Taxes Payable
IncreaseDecreaseInAccruedIncomeTaxesPayable
-6627000 USD
us-gaap Increase Decrease In Other Accrued Liabilities
IncreaseDecreaseInOtherAccruedLiabilities
6498000 USD
us-gaap Increase Decrease In Other Accrued Liabilities
IncreaseDecreaseInOtherAccruedLiabilities
423000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
110749000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
82893000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
24536000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
77638000 USD
mpwr Payments To Acquire In Place Leases
PaymentsToAcquireInPlaceLeases
-0 USD
mpwr Payments To Acquire In Place Leases
PaymentsToAcquireInPlaceLeases
981000 USD
us-gaap Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
189637000 USD
us-gaap Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
118701000 USD
us-gaap Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
57999000 USD
us-gaap Proceeds From Sale Of Longterm Investments
ProceedsFromSaleOfLongtermInvestments
125000 USD
us-gaap Proceeds From Sale Of Longterm Investments
ProceedsFromSaleOfLongtermInvestments
75000 USD
us-gaap Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
1000 USD
us-gaap Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
1456000 USD
mpwr Contributions Made To Deferred Compensation Plan
ContributionsMadeToDeferredCompensationPlan
775000 USD
mpwr Contributions Made To Deferred Compensation Plan
ContributionsMadeToDeferredCompensationPlan
1435000 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-96121000 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-42070000 USD
mpwr Property And Equipment Purchased On Extended Payment Terms
PropertyAndEquipmentPurchasedOnExtendedPaymentTerms
4061000 USD
mpwr Property And Equipment Purchased On Extended Payment Terms
PropertyAndEquipmentPurchasedOnExtendedPaymentTerms
3000 USD
us-gaap Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans
ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
14110000 USD
us-gaap Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans
ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
12471000 USD
us-gaap Proceeds From Stock Plans
ProceedsFromStockPlans
1892000 USD
us-gaap Proceeds From Stock Plans
ProceedsFromStockPlans
1627000 USD
us-gaap Payments Of Dividends
PaymentsOfDividends
42267000 USD
us-gaap Payments Of Dividends
PaymentsOfDividends
30784000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-30326000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-16689000 USD
us-gaap Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
-777000 USD
us-gaap Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
175000 USD
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-16475000 USD
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
24309000 USD
CY2019Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
173076000 USD
CY2018Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
172818000 USD
CY2020Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
156601000 USD
CY2019Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
197127000 USD
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
633000 USD
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
7168000 USD
us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
7258000 USD
us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
3028000 USD
CY2020Q2 mpwr Dividends And Dividend Equivalents Accrued
DividendsAndDividendEquivalentsAccrued
25044000 USD
CY2019Q2 mpwr Dividends And Dividend Equivalents Accrued
DividendsAndDividendEquivalentsAccrued
19749000 USD
us-gaap Use Of Estimates
UseOfEstimates
<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;"><i><b>Use of Estimates</b></i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;">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. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;"><i><b> </b></i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;">The coronavirus pandemic <em style="font: inherit;">first</em> identified in <em style="font: inherit;"> December 2019 (</em>“COVID-<em style="font: inherit;">19”</em>) has resulted in a global slowdown of economic activity and a decrease in demand for a broad variety of goods and services, while also disrupting business operations for an unknown period of time until the disease is contained. While these events did <em style="font: inherit;">not</em> adversely affect the Company’s overall operating results and financial condition for the <em style="font: inherit;">three</em> and <em style="font: inherit;">six</em> months ended <em style="font: inherit;"> June 30, 2020, </em>they could have a negative impact on the Company’s business operations for the remainder of <em style="font: inherit;">2020.</em> However, the Company is currently unable to predict the size and duration of such impact.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;">As of the date of issuance of these condensed consolidated financial statements, the Company is <em style="font: inherit;">not</em> aware of any specific event or circumstance that would require management to update the significant estimates and assumptions used in the preparation of the condensed consolidated financial statements, as compared to those disclosed in the Annual Report on Form <em style="font: inherit;">10</em>-K for the year ended <em style="font: inherit;"> December 31, 2019. </em>As new events continue to evolve and additional information becomes available, any changes to these estimates and assumptions will be recognized in the condensed consolidated financial statements as soon as they become known. 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: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;"> </p>
mpwr Lapse Period For Consignment
LapsePeriodForConsignment
P60D
CY2020Q2 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
55100000 USD
CY2019Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
52700000 USD
us-gaap Contract With Customer Liability Revenue Recognized
ContractWithCustomerLiabilityRevenueRecognized
3300000 USD
CY2020Q2 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
21044000 USD
CY2019Q2 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
22709000 USD
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
39606000 USD
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
38719000 USD
CY2020Q2 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
468000 USD
CY2019Q2 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
706000 USD
us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
938000 USD
us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
1544000 USD
CY2019Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
4053000
CY2019Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
59.16
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
453000
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
171.47
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
1280000
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
55.30
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
18000
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
89.81
CY2020Q2 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
3208000
CY2020Q2 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
76.39
CY2020Q2 us-gaap Inventory Raw Materials Net Of Reserves
InventoryRawMaterialsNetOfReserves
24447000 USD
CY2019Q4 us-gaap Inventory Raw Materials Net Of Reserves
InventoryRawMaterialsNetOfReserves
22872000 USD
CY2020Q2 us-gaap Inventory Work In Process Net Of Reserves
InventoryWorkInProcessNetOfReserves
64992000 USD
CY2019Q4 us-gaap Inventory Work In Process Net Of Reserves
InventoryWorkInProcessNetOfReserves
42681000 USD
CY2020Q2 us-gaap Inventory Finished Goods Net Of Reserves
InventoryFinishedGoodsNetOfReserves
62680000 USD
CY2019Q4 us-gaap Inventory Finished Goods Net Of Reserves
InventoryFinishedGoodsNetOfReserves
61947000 USD
CY2020Q2 us-gaap Inventory Net
InventoryNet
152119000 USD
CY2019Q4 us-gaap Inventory Net
InventoryNet
127500000 USD
CY2020Q2 mpwr Tax Withholding Share Based Payment Arrangement Proceeds Receivable
TaxWithholdingShareBasedPaymentArrangementProceedsReceivable
8125000 USD
CY2019Q4 mpwr Tax Withholding Share Based Payment Arrangement Proceeds Receivable
TaxWithholdingShareBasedPaymentArrangementProceedsReceivable
6106000 USD
CY2020Q2 us-gaap Prepaid Expense Current
PrepaidExpenseCurrent
15543000 USD
CY2019Q4 us-gaap Prepaid Expense Current
PrepaidExpenseCurrent
7991000 USD
CY2020Q2 us-gaap Interest Receivable Current
InterestReceivableCurrent
2847000 USD
CY2019Q4 us-gaap Interest Receivable Current
InterestReceivableCurrent
2490000 USD
CY2020Q2 mpwr Product Return Assets Current
ProductReturnAssetsCurrent
1262000 USD
CY2019Q4 mpwr Product Return Assets Current
ProductReturnAssetsCurrent
1585000 USD
CY2020Q2 us-gaap Other Assets Miscellaneous Current
OtherAssetsMiscellaneousCurrent
1509000 USD
CY2019Q4 us-gaap Other Assets Miscellaneous Current
OtherAssetsMiscellaneousCurrent
1433000 USD
CY2020Q2 us-gaap Other Assets Current
OtherAssetsCurrent
29286000 USD
CY2019Q4 us-gaap Other Assets Current
OtherAssetsCurrent
19605000 USD
CY2020Q2 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
39456000 USD
CY2019Q4 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
38858000 USD
CY2020Q2 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
3909000 USD
CY2019Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
2863000 USD
CY2020Q2 us-gaap Prepaid Expense Other Noncurrent
PrepaidExpenseOtherNoncurrent
2515000 USD
CY2019Q4 us-gaap Prepaid Expense Other Noncurrent
PrepaidExpenseOtherNoncurrent
2687000 USD
CY2020Q2 us-gaap Other Assets Miscellaneous Noncurrent
OtherAssetsMiscellaneousNoncurrent
1396000 USD
CY2019Q4 us-gaap Other Assets Miscellaneous Noncurrent
OtherAssetsMiscellaneousNoncurrent
1544000 USD
CY2020Q2 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
47276000 USD
CY2019Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
45952000 USD
CY2020Q2 mpwr Dividends And Dividend Equivalents
DividendsAndDividendEquivalents
26466000 USD
CY2019Q4 mpwr Dividends And Dividend Equivalents
DividendsAndDividendEquivalents
21747000 USD
CY2020Q2 mpwr Stock Rotation Reserve And Accrued Sales Returns
StockRotationReserveAndAccruedSalesReturns
4705000 USD
CY2019Q4 mpwr Stock Rotation Reserve And Accrued Sales Returns
StockRotationReserveAndAccruedSalesReturns
5530000 USD
CY2020Q2 mpwr Accrued Purchases Of Property And Equipment Current
AccruedPurchasesOfPropertyAndEquipmentCurrent
7789000 USD
CY2019Q4 mpwr Accrued Purchases Of Property And Equipment Current
AccruedPurchasesOfPropertyAndEquipmentCurrent
4678000 USD
CY2020Q2 us-gaap Accrued Income Taxes Current
AccruedIncomeTaxesCurrent
4343000 USD
CY2019Q4 us-gaap Accrued Income Taxes Current
AccruedIncomeTaxesCurrent
2435000 USD
CY2020Q2 us-gaap Contract With Customer Liability Current
ContractWithCustomerLiabilityCurrent
6731000 USD
CY2019Q4 us-gaap Contract With Customer Liability Current
ContractWithCustomerLiabilityCurrent
3412000 USD
CY2020Q2 us-gaap Accrued Sales Commission Current
AccruedSalesCommissionCurrent
1507000 USD
CY2019Q4 us-gaap Accrued Sales Commission Current
AccruedSalesCommissionCurrent
1425000 USD
CY2020Q2 us-gaap Product Warranty Accrual Classified Current
ProductWarrantyAccrualClassifiedCurrent
1174000 USD
CY2019Q4 us-gaap Product Warranty Accrual Classified Current
ProductWarrantyAccrualClassifiedCurrent
1139000 USD
CY2020Q2 us-gaap Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
4584000 USD
CY2019Q4 us-gaap Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
3170000 USD
CY2020Q2 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
58831000 USD
CY2019Q4 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
44790000 USD
CY2020Q2 us-gaap Deferred Compensation Liability Classified Noncurrent
DeferredCompensationLiabilityClassifiedNoncurrent
41087000 USD
CY2019Q4 us-gaap Deferred Compensation Liability Classified Noncurrent
DeferredCompensationLiabilityClassifiedNoncurrent
39665000 USD
CY2020Q2 mpwr Dividend Equivalents Noncurrent
DividendEquivalentsNoncurrent
6787000 USD
CY2019Q4 mpwr Dividend Equivalents Noncurrent
DividendEquivalentsNoncurrent
6265000 USD
CY2020Q2 us-gaap Other Accrued Liabilities Noncurrent
OtherAccruedLiabilitiesNoncurrent
30000 USD
CY2019Q4 us-gaap Other Accrued Liabilities Noncurrent
OtherAccruedLiabilitiesNoncurrent
30000 USD
CY2020Q2 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
49801000 USD
CY2019Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
47063000 USD
CY2020Q2 us-gaap Operating Lease Cost
OperatingLeaseCost
363000 USD
CY2019Q2 us-gaap Operating Lease Cost
OperatingLeaseCost
332000 USD
us-gaap Operating Lease Cost
OperatingLeaseCost
729000 USD
us-gaap Operating Lease Cost
OperatingLeaseCost
637000 USD
CY2020Q2 us-gaap Short Term Lease Cost
ShortTermLeaseCost
71000 USD
CY2019Q2 us-gaap Short Term Lease Cost
ShortTermLeaseCost
84000 USD
us-gaap Short Term Lease Cost
ShortTermLeaseCost
148000 USD
us-gaap Short Term Lease Cost
ShortTermLeaseCost
182000 USD
CY2020Q2 us-gaap Lease Cost
LeaseCost
434000 USD
CY2019Q2 us-gaap Lease Cost
LeaseCost
416000 USD
us-gaap Lease Cost
LeaseCost
877000 USD
us-gaap Lease Cost
LeaseCost
819000 USD
CY2020Q2 us-gaap Operating Lease Payments
OperatingLeasePayments
330000 USD
CY2019Q2 us-gaap Operating Lease Payments
OperatingLeasePayments
423000 USD
us-gaap Operating Lease Payments
OperatingLeasePayments
703000 USD
us-gaap Operating Lease Payments
OperatingLeasePayments
727000 USD
CY2020Q2 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
1467000 USD
CY2019Q2 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
317000 USD
us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
1744000 USD
us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
2581000 USD
CY2020Q2 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P2Y8M12D
CY2019Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P2Y1M6D
CY2020Q2 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.030 pure
CY2019Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.037 pure
CY2019Q1 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
2200000 USD
CY2020Q2 us-gaap Lessor Operating Lease Payments To Be Received Three Years
LessorOperatingLeasePaymentsToBeReceivedThreeYears
1477000 USD
CY2020Q2 us-gaap Lessor Operating Lease Payments To Be Received Four Years
LessorOperatingLeasePaymentsToBeReceivedFourYears
552000 USD
CY2020Q2 mpwr Lessor Operating Lease Payment To Be Received After Year Four
LessorOperatingLeasePaymentToBeReceivedAfterYearFour
59000 USD
CY2020Q2 us-gaap Lessor Operating Lease Payments To Be Received
LessorOperatingLeasePaymentsToBeReceived
7448000 USD
CY2020Q2 us-gaap Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
851000 USD
CY2020Q2 us-gaap Lessee Operating Lease Liability Payments Due Next Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
1296000 USD
CY2020Q2 us-gaap Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
852000 USD
CY2020Q2 us-gaap Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
271000 USD
CY2020Q2 us-gaap Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
186000 USD
CY2020Q2 us-gaap Lessee Operating Lease Liability Payments Due Year Five
LesseeOperatingLeaseLiabilityPaymentsDueYearFive
130000 USD
CY2020Q2 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
3586000 USD
CY2020Q2 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
157000 USD
CY2020Q2 us-gaap Operating Lease Lease Income Lease Payments
OperatingLeaseLeaseIncomeLeasePayments
400000 USD
CY2019Q2 us-gaap Operating Lease Lease Income Lease Payments
OperatingLeaseLeaseIncomeLeasePayments
700000 USD
us-gaap Operating Lease Lease Income Lease Payments
OperatingLeaseLeaseIncomeLeasePayments
800000 USD
us-gaap Operating Lease Lease Income Lease Payments
OperatingLeaseLeaseIncomeLeasePayments
900000 USD
CY2020Q2 us-gaap Lessor Operating Lease Payments To Be Received Remainder Of Fiscal Year
LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear
1010000 USD
CY2020Q2 us-gaap Lessor Operating Lease Payments To Be Received Next Twelve Months
LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths
2281000 USD
CY2020Q2 us-gaap Lessor Operating Lease Payments To Be Received Two Years
LessorOperatingLeasePaymentsToBeReceivedTwoYears
2069000 USD
CY2020Q2 us-gaap Net Income Loss
NetIncomeLoss
30167000 USD
CY2019Q2 us-gaap Net Income Loss
NetIncomeLoss
20693000 USD
us-gaap Net Income Loss
NetIncomeLoss
65922000 USD
us-gaap Net Income Loss
NetIncomeLoss
46874000 USD
CY2020Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
44785000
CY2019Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
43109000
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
44620000
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
42929000
CY2020Q2 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
2046000
CY2019Q2 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
2374000
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
351987000 USD
us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
2130000
us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
2429000
CY2020Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
46831000
CY2019Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
45483000
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
46750000
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
45358000
CY2020Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.67
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EarningsPerShareBasic
0.48
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.48
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.09
CY2020Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.64
CY2019Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.45
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.41
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.03
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RevenueFromContractWithCustomerExcludingAssessedTax
186209000 USD
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RevenueFromContractWithCustomerExcludingAssessedTax
151007000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
292370000 USD
CY2020Q2 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
186209000 USD
CY2019Q2 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
151007000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
351987000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
292370000 USD
CY2020Q2 us-gaap Noncurrent Assets
NoncurrentAssets
251980000 USD
CY2019Q4 us-gaap Noncurrent Assets
NoncurrentAssets
228315000 USD
CY2020Q1 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1144000 USD
CY2019Q1 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
2045000 USD
CY2019Q4 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1139000 USD
CY2018Q4 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
4564000 USD
CY2020Q2 us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
499000 USD
CY2019Q2 us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
311000 USD
us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
1040000 USD
us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
579000 USD
CY2020Q2 us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
395000 USD
CY2019Q2 us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
28000 USD
us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
506000 USD
us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
2299000 USD
CY2020Q2 us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
74000 USD
CY2019Q2 us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
580000 USD
us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
499000 USD
us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
1096000 USD
CY2020Q2 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1174000 USD
CY2019Q2 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1748000 USD
CY2020Q2 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1174000 USD
CY2019Q2 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1748000 USD
CY2020Q2 us-gaap Purchase Obligation
PurchaseObligation
101000000.0 USD
CY2020Q2 us-gaap Cash
Cash
130397000 USD
CY2019Q4 us-gaap Cash
Cash
144860000 USD
CY2020Q2 us-gaap Money Market Funds At Carrying Value
MoneyMarketFundsAtCarryingValue
26086000 USD
CY2019Q4 us-gaap Money Market Funds At Carrying Value
MoneyMarketFundsAtCarryingValue
28100000 USD
CY2020Q2 us-gaap Commercial Paper At Carrying Value
CommercialPaperAtCarryingValue
7968000 USD
CY2019Q4 us-gaap Commercial Paper At Carrying Value
CommercialPaperAtCarryingValue
1994000 USD
CY2020Q2 us-gaap Us Government Securities At Carrying Value
USGovernmentSecuritiesAtCarryingValue
14250000 USD
CY2019Q4 us-gaap Us Government Securities At Carrying Value
USGovernmentSecuritiesAtCarryingValue
19493000 USD
CY2020Q2 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
515355000 USD
CY2019Q4 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
458535000 USD
CY2020Q2 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
156483000 USD
CY2019Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
172960000 USD
CY2020Q2 us-gaap Short Term Investments
ShortTermInvestments
355840000 USD
CY2019Q4 us-gaap Short Term Investments
ShortTermInvestments
282437000 USD
CY2020Q2 us-gaap Long Term Investments
LongTermInvestments
3032000 USD
CY2019Q4 us-gaap Long Term Investments
LongTermInvestments
3138000 USD
CY2020Q2 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
515355000 USD
CY2019Q4 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
458535000 USD
CY2020Q2 us-gaap Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
168329000 USD
CY2020Q2 us-gaap Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
169259000 USD
CY2020Q2 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
183611000 USD
CY2020Q2 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
186581000 USD
CY2020Q2 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
3195000 USD
CY2020Q2 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
3032000 USD
CY2020Q2 us-gaap Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
355135000 USD
CY2020Q2 us-gaap Available For Sale Securities Debt Maturities Single Maturity Date
AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate
358872000 USD
CY2020Q2 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
381221000 USD
CY2020Q2 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
3964000 USD
CY2020Q2 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
227000 USD
CY2020Q2 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
384958000 USD
CY2019Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
313546000 USD
CY2019Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
390000 USD
CY2019Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
261000 USD
CY2019Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
313675000 USD
CY2020Q2 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
26032000 USD
CY2020Q2 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
64000 USD
CY2020Q2 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
3032000 USD
CY2020Q2 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
163000 USD
CY2020Q2 us-gaap Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
29064000 USD
CY2020Q2 us-gaap Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
227000 USD
CY2019Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
83119000 USD
CY2019Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
64000 USD
CY2019Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
14274000 USD
CY2019Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
197000 USD
CY2019Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
172960000 USD
CY2020Q2 us-gaap Restricted Cash And Cash Equivalents
RestrictedCashAndCashEquivalents
118000 USD
mpwr Percentage Of Auction Rate Securities Redeemedat Par Value
PercentageOfAuctionRateSecuritiesRedeemedatParValue
0.93 pure
CY2019 mpwr Auction Rate Securities Maturities
AuctionRateSecuritiesMaturities
P26Y
CY2019Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
97393000 USD
CY2020Q2 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
156483000 USD
CY2019Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
261000 USD
mpwr Redemption Auction Rate Securities To Date
RedemptionAuctionRateSecuritiesToDate
40100000 USD
CY2019Q4 us-gaap Restricted Cash And Cash Equivalents
RestrictedCashAndCashEquivalents
116000 USD
CY2020Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
156601000 USD
CY2019Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
173076000 USD
CY2020Q2 us-gaap Assets Fair Value Disclosure
AssetsFairValueDisclosure
407135000 USD
CY2019Q4 us-gaap Assets Fair Value Disclosure
AssetsFairValueDisclosure
335650000 USD
CY2020Q2 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
39456000 USD
CY2019Q4 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
38858000 USD
CY2020Q2 us-gaap Deferred Compensation Liability Current And Noncurrent
DeferredCompensationLiabilityCurrentAndNoncurrent
41242000 USD
CY2019Q4 us-gaap Deferred Compensation Liability Current And Noncurrent
DeferredCompensationLiabilityCurrentAndNoncurrent
40090000 USD
CY2020Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
3000000.0 USD
CY2020Q2 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.090 pure
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-3500000 USD
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.056 pure
CY2020Q2 us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
2388000 USD
CY2019Q2 us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
1661000 USD
us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
4762000 USD
us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
3357000 USD
CY2020Q2 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-627000 USD
CY2019Q2 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-95000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-1121000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-216000 USD
CY2020Q2 mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
3572000 USD
CY2019Q2 mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
620000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
-178000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
2555000 USD
CY2020Q2 us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
-133000 USD
CY2019Q2 us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
73000 USD
us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
-130000 USD
us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
-128000 USD
CY2020Q2 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
0 USD
CY2019Q2 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-30000 USD
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
153000 USD
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
1000 USD
CY2020Q2 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
5200000 USD
CY2019Q2 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
2229000 USD
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
3486000 USD
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
5569000 USD
CY2019Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
1700000 USD
CY2019Q2 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.074 pure
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
500000 USD
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.011 pure
CY2020Q2 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.50
CY2019Q2 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.40
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.00
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.80
CY2020Q2 us-gaap Dividends Common Stock
DividendsCommonStock
22415000 USD
CY2019Q2 us-gaap Dividends Common Stock
DividendsCommonStock
17261000 USD
us-gaap Dividends Common Stock
DividendsCommonStock
44731000 USD
us-gaap Dividends Common Stock
DividendsCommonStock
34441000 USD
CY2020Q2 us-gaap Dividends Payable Current
DividendsPayableCurrent
22400000 USD
CY2019Q4 us-gaap Dividends Payable Current
DividendsPayableCurrent
17400000 USD
CY2020Q2 mpwr Accrued Dividend Equivalents
AccruedDividendEquivalents
10800000 USD
CY2019Q4 mpwr Accrued Dividend Equivalents
AccruedDividendEquivalents
10600000 USD

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