ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,449, issued on July 28, was assigned to Chengdu Monolithic Power Systems Co. Ltd. (Sichuan, China).
"Integrated circuit, associated start-up circuit and start-up method thereof" was invented by Xiangyi Yang (Chengdu, China) and Wei Mao (Chengdu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated circuit for a switching power supply circuit has an enable pin, a power supply pin, a switch pin, a ground pin, a power switch and an amplifier. The enable pin receives an enable signal. The power supply pin is coupled to a power supply capacitor. The switch pin receives an input voltage. The power switch has a normally-on switching device an...