Power Semiconductors (incl. SiC, GaN) companies
36 companies in the Power Semiconductors (incl. SiC, GaN) part of the semiconductor & AI value chain.
Market share
Companies
- Texas Instruments — Largest analog chipmaker, manufacturing on its own 300mm fabs.
- Infineon Technologies — World's top power semiconductor maker; strong in auto and SiC/GaN.
- Innoscience — World's largest GaN power device maker, an integrated manufacturer.
- Mitsubishi Electric — Power module heavyweight in industrial, rail and SiC.
- Monolithic Power Systems — Fabless high-performance power management IC designer; key in AI servers.
- STMicroelectronics — European IDM spanning MCUs, sensors, analog and SiC power.
- Sumitomo Electric Industries — Optical fiber, compound-semiconductor devices, and EV power modules.
- onsemi — Power and sensing IDM; top-two in SiC and auto image sensors.
- Fuji Electric — Major IGBT and power module maker for industry and rail.
- China Resources Microelectronics — China's largest power-focused integrated device manufacturer.
- ROHM — Japanese power and analog IDM; early mover in SiC devices.
- Vicor — Modular power-conversion components for AI servers and industry.
- Silan Microelectronics — Chinese power and analog integrated device manufacturer.
- Yangzhou Yangjie Electronic — Chinese discrete and power semiconductor maker.
- Silergy — Leading China-based analog and power management IC designer.
- Vishay Intertechnology — Broadline discrete semiconductor and passive component maker.
- Diodes Incorporated — High-volume discrete and analog supplier for consumer and auto.
- Power Integrations — Leader in high-voltage AC-DC conversion ICs.
- Sanken Electric — Japanese power semiconductor and power IC maker.
- Alpha and Omega Semiconductor — Power MOSFET and power IC designer.
- BYD Semiconductor — BYD's chip arm; automotive IGBTs and SiC power devices.
- Nexperia — High-volume discretes maker (ex-NXP unit); Wingtech-owned, under Dutch oversight.
- Robert Bosch — Top automotive MEMS sensor maker with growing SiC fab capacity.
- Semikron Danfoss — Power-semiconductor modules for industrial drives and EVs.
- Toshiba — Power semiconductor and storage group; taken private by JIP in 2023.
- SG Micro — Chinese analog IC designer in power management and signal chain.
- Navitas Semiconductor — Fabless GaN and SiC power IC designer.
- StarPower Semiconductor — Chinese IGBT and power module maker.
- Wolfspeed — SiC wafer and device pure-play; restructured through Chapter 11 in 2025.
- Cambridge GaN Devices (CGD) — UK fabless GaN power company spun out of Cambridge University; enhancement-mode ICeGaN transistors.
- VisIC Technologies — Israeli fabless developer of high-voltage GaN power devices (D3GaN) for EV inverters and data centers.
- Littelfuse — Circuit protection leader with growing power semiconductor line.
- Bourns — Circuit protection, passives, and power components.
- Efficient Power Conversion — Gallium-nitride (GaN) power transistors and integrated circuits.
- Polar Semiconductor — US specialty analog and power semiconductor foundry.
- SemiQ Inc. — Lake Forest, CA maker of SiC power semiconductors and 150mm SiC epitaxial wafers for high-voltage uses.
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