ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,641, issued on March 18, was assigned to Chengdu Monolithic Power Systems Co. Ltd. (Chengdu, China).
"Isolated drive circuit and isolated driving method with improved magnetic field immunity" was invented by Naixing Kuang (Hangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drive circuit configured to drive a power stage including a high voltage power switch device. The drive circuit has a transmitter configured to send a control signal, and a receiver configured to transfer a received signal to a drive signal by a first isolated capacitor loop and a second isolated capacitor loop. The first isolated capacitor loop has a same area as t...