US Patent Issued to Apple on Oct. 7 for "Dynamic control of AC-DC power converter PFC front end during load transients" (California Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,437, issued on Oct. 7, was assigned to Apple Inc. (Cupertino, Calif.).

"Dynamic control of AC-DC power converter PFC front end during load transients" was invented by Vijay G Phadke (San Jose, Calif.) and Liang Zhou (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An AC-DC power supply can include a PFC stage that receives a rectified AC input voltage and produces an intermediate DC bus voltage; a DC-DC stage that receives the intermediate DC bus voltage and produces a regulated DC output voltage; and a digital controller. The digital controller can include a relatively faster DC-DC stage controller that receives DC-DC stage feedback...