Shanghai Prisemi Electronics Co., Ltd. researches, develops, produces, and sells power semiconductor products in China and internationally. Its offerings include power ICs such as lithium battery charging chips, OVP overvoltage protection chips, load switches, linear charging, audio power amplifiers, DC/DC power conversion chips, and gallium nitride driver ICs, as well as power components including protective devices, MOSFETs, transient voltage suppression diodes, Schottky barrier diodes, gallium nitride, IGBTs, silicon carbide, and third-generation semiconductor products. These products are primarily used in consumer electronics, network communications, security, industry, automobiles, energy storage, and other fields. The company also exports to Hong Kong, Taiwan, and South Korea, and was founded in 2009 with headquarters in Shanghai, China.