US Patent Issued to Atieva on June 23 for "Efficiency in a dual-active bridge of a DC-DC stage" (Arizona, California Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,517, issued on June 23, was assigned to Atieva Inc. (Newark, Calif.).

"Efficiency in a dual-active bridge of a DC-DC stage" was invented by Saikat Dey (Tempe, Ariz.), Yukun Luo (Sunnyvale, Calif.) and Shan Chai (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method comprises: providing, in an onboard charger of an electric vehicle, a direct current (DC) to DC stage including a dual-active bridge having switches arranged in multiple legs, each of the multiple legs controlled by a corresponding one of pulse width modulation (PWM) signals; and dynamically modulating the PWM signals to improve zero voltage switching (ZVS) in the onboar...