US Patent Issued to Chengdu Monolithic Power Systems on May 13 for "Switching power supply circuit and associated control circuit with false turn-on prevention of synchronous rectifier switch" (Chinese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,123, issued on May 13, was assigned to Chengdu Monolithic Power Systems Co. Ltd. (Sichuan, China).

"Switching power supply circuit and associated control circuit with false turn-on prevention of synchronous rectifier switch" was invented by Lei Miao (Chengdu, China) and Siran Wang (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method to control a synchronous rectifier (SR) switch in a switching power supply circuit having an energy storage component coupled to the SR switch, the method is: generating a turning-ON control signal by comparing a drain-source sensing voltage of the SR switch with a turn ON threshold voltage; limiting a...