Shanghai Chiplead Electronic Technology Co., Ltd. (Prisemi) is a chip company focusing on the development and sales of high-quality, high-performance analog integrated circuits and power devices, headquartered in Shanghai Zhangjiang Hi-Tech Park, covering application-specific integrated circuit chips (lithium battery fast charging, LED backlight/flash drive, mobile power main control, segment LCD driver, etc.) and semiconductor power devices (TVS, MOSFET, TSS, Transistor, Diode, etc.).