ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,639, issued on March 31, was assigned to POWER INTEGRATIONS INC. (San Jose, Calif.).
"Self-biasing the input controller in a power converter" was invented by David Michael Hugh Matthews (Los Gatos, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power converter having an integrated input bias self-supply function has an input switch, a controller, an output switch, and an output filter having an inductor. The controller includes control circuitry, a bias drive circuit, and a bias supply circuit. The bias supply circuit includes a bias transistor and a bias diode. The control circuitry and the bias drive circuit produce a bias drive signal i...