US Patent Issued to SHANGHAI XINLONG SEMICONDUCTOR TECHNOLOGY on Jan. 13 for "Switch mode power supply control circuit and power supply chip" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,867, issued on Jan. 13, was assigned to SHANGHAI XINLONG SEMICONDUCTOR TECHNOLOGY Co. LTD. (Shanghai).

"Switch mode power supply control circuit and power supply chip" was invented by Jinlong Xu (Shanghai) and Ruiping Li (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An SMPS control circuit and a power chip are disclosed. The SMPS control circuit includes a signal conversion module configured to acquire an input voltage and output a reference signal. The reference signal increases as the input voltage increases at a rate decreasing as the input voltage increases. The reference signal is configured to turn on a power transistor and maintain...