US Patent Issued to Champion Microelectronic on Sept. 15 for "Switching power supply and power factor correction controller therefor having improved input current sensing" (California Inventor)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,859, issued on Sept. 15, was assigned to Champion Microelectronic Corp. (Taiwan).

"Switching power supply and power factor correction controller therefor having improved input current sensing" was invented by Jeffrey Hwang (Saratoga, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power factor correction controller for a switching power supply is disclosed. The controller is configured to generate a switch control signal for modulating an input current to form an output voltage across an energy storage element. A gain modulator is configured to combine an output voltage error signal with an instantaneous input voltage sensing signal. A curr...