US Patent Issued to Murata Manufacturing on July 7 for "Constant power startup for power converter" (New Hampshire Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,544, issued on July 7, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).

"Constant power startup for power converter" was invented by Xiaowu Sun (Milford, N.H.) and Gregory Szczeszynski (Nashua, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Circuits and methods for providing a constant, limited power to a transistor of a power converter during a startup period while achieving high efficiency and high performance. In a first embodiment, a driver circuit includes a variable reference current circuit configured to provide a first current inversely proportional to a voltage across the transistor, and a coupled power limiting circuit tha...