US Patent Issued to Huawei Digital Power Technologies on Aug. 19 for "Method and apparatus for controlling totem-pole PFC circuit, and electronic device" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,395,073, issued on Aug. 19, was assigned to Huawei Digital Power Technologies Co. Ltd. (Shenzhen, China).

"Method and apparatus for controlling totem-pole PFC circuit, and electronic device" was invented by Ken Chin (Shenzhen, China), Shanglin Mo (Dongguan, China) and Shuaibing Wang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling a totem-pole PFC circuit. When an alternating current of an input end of a totem-pole PFC circuit is in a positive half period, if a previous switching period is less than specified duration, after charging of a PFC inductor is completed, a switch that enables the PFC inductor to be disc...