Ambiq Micro Inc (NASDAQ: AMBQ) is a semiconductor company that designs ultra-low power systems-on-chip (SoCs) for edge AI and general-purpose compute applications. Revenue comes from selling SoCs and accompanying software tools to device manufacturers across wearables, healthcare, industrial, and smart home end markets. The company's proprietary Sub-threshold Power Optimized Technology (SPOT) platform is engineered to reduce power consumption two to five times versus conventional integrated circuit designs at the same manufacturing geometries. Ambiq competes directly with large microcontroller unit vendors including Infineon, Microchip, NXP, Silicon Laboratories, STMicroelectronics, and Texas Instruments, as well as connectivity players such as Nordic Semiconductor, Renesas, Synaptics, and Qualcomm. Headquartered in Austin, Texas, in approximately 12,500 square feet of leased office space, Ambiq also maintains offices in Taiwan, Singapore, and Mainland China. All wafers are sourced from TSMC in Taiwan. In FY2025, Mainland China represented 8.6% of net sales, down sharply from 50.0% in FY2024, reflecting a deliberate shift toward medical, industrial edge, and smart home markets outside China.

Revenue model

Transactional product sales of SoCs, with pricing negotiated directly with largest end customers. Average selling prices decline over a product's life cycle, requiring continuous cost reduction and new product introductions at higher initial ASPs. The company is also pursuing an IP licensing variant of its SPOT platform as an additional revenue stream, though this was described as a strategic priority rather than a material existing revenue source as of the FY2025 10-K filed 2026-03-05.

Products and services

Apollo family SoCs supporting on-device AI, general compute, sensing, security, storage, wireless connectivity, and advanced graphics for edge devices including smartwatches, fitness trackers, AR/VR glasses, smart rings, digital health monitors, security systems, livestock trackers, and factory automation equipment. Software stack includes AmbiqSuite SDK, graphiqSPOT for graphics and display management, blueSPOT for Bluetooth communications, secureSPOT for security management, neuralSPOT cross-platform AI SDK, and the Helia foundational AI ecosystem.

Customers and end markets

Device manufacturers in wearables (smartwatches, fitness trackers, smart rings), AR/VR, digital health, industrial edge (factory automation, crop monitoring, livestock tracking), security and access control, and smart home and buildings. No specific customer concentration percentages were disclosed in the excerpts. End customers do not provide long-term purchase commitments, creating demand visibility risk.

Value-chain role

Fabless semiconductor designer. Ambiq designs SoCs and software but outsources all wafer fabrication to TSMC in Taiwan. The company does not own real property and operates a small global infrastructure.

Geographic exposure

Mainland China represented 50.0% of net sales in FY2024, declining to 8.6% in FY2025, as the company shifted focus toward non-China markets. Additional offices in Taiwan, Singapore, and Mainland China support sales and operations. All wafer supply sourced from TSMC in Taiwan.

Competitors

Infineon, Microchip, NXP, Silicon Laboratories, STMicroelectronics, Texas Instruments, Nordic Semiconductor, Renesas, Synaptics, Qualcomm

Source: SEC 10-K, filed 2026-03-05

Industry: Semiconductors & Related Devices