Alpha and Omega Semiconductor Limited (AOS) was founded in 2000 and is headquartered in Silicon Valley, USA. It integrates design, development, production, and global sales of various discrete power devices, wide bandgap power devices, power management ICs, and modules, including complete power MOSFETs SiC、 IGBT、IPM、TVS、 Gate driver, power supply IC, and digital power supply product series.

  The main products include complete Power MOSFET, IGBT, IPM, TVS, HVIC, SiC/GaN, Power IC, and digital power supply product series, which are applied to multiple Fortune 500 companies (such as Apple, Sony, Dell, Samsung, Lenovo, etc.). AOS has 1777 global patents and 199 pending patents, with unique power MOSFET technology in the industry. It can continuously introduce innovative products, expand market share (ranked sixth globally and fourth in the Asia Pacific region in 2020), and rapidly grow within the industry to meet the increasingly complex power requirements of advanced electronic products.

  At present, AOS has set up R&D, production and operation networks around the world, including R&D centers in the United States, Taiwan, China, and South Korea, an 8-inch wafer factory in Oregon, the Shanghai Songjiang Packaging and Testing Factory, and a 12 inch wafer and packaging and testing factory for power devices in cooperation with the Chongqing government. Under the leadership of CEO Mr. Stephen Chang, AOS has entered a stage of rapid development and has become the main force in the power semiconductor market.