Yaoxin Micro / Alkaid Semi / 瑶芯微

About Yaoxin Micro / Alkaid Semi / 瑶芯微

Yaoxin Microelectronics Technology (Shanghai) Co., Ltd., which operates as Alkaidsemi, is a semiconductor company founded in August 2019 and headquartered in Shanghai, China. The firm designs, develops, and sells a range of semiconductor products, focusing on two main lines: power devices and audio semiconductors. Its research and development centers are located in Xi'an and Chengdu, with a sales office in Shenzhen.

The company's product portfolio includes a full range of silicon-based, silicon carbide (SiC), and Gallium Nitride (GaN) power devices such as MOSFETs, IGBTs, and FRDs. It also develops and supplies MEMS intelligent sensor chips and audio front-end signal chain ICs. These products serve a variety of applications across the automotive, renewable energy, industrial, and consumer electronics sectors. Key uses for its power devices include electric vehicles (EVs), industrial power supplies, photovoltaic energy storage, and onboard chargers. Its audio products are widely used in smartphones, headphones, and smart cockpits.

Alkaidsemi has secured significant funding to support its growth. In November 2022, the company raised $28 million in a Series C round from investors including Shanghai Sun Rock Capital, Shenzhen Co-win Venture Capital, Midea Group, and others. This followed a Series B1 round in November 2021. In November 2023, the firm received another strategic investment from backers such as Shang Qi Capital and CD Capital.