US Patent Issued to Apple on Sept. 8 for "Inrush current suppression for AC-DC power supplies" (Michigan, California Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,093, issued on Sept. 8, was assigned to Apple Inc. (Cupertino, Calif.).

"Inrush current suppression for AC-DC power supplies" was invented by Yantao Song (Northville, Mich.), Abby Cherian (Fremont, Calif.), Qianlai Zhu (San Jose, Calif.), Joselito D Parayno (San Jose, Calif.) and Bharat K Patel (San Martin, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply can include a bulk capacitor that receives a DC bus voltage; one or more DC-DC converters that convert the DC bus voltage to a DC output voltage; an inrush current limiting circuit that includes a resistor coupled in series with the bulk capacitor so as to limit an inrush curren...