ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,538, issued on Oct. 7, was assigned to ROHM Co. LTD. (Kyoto-shoi, Japan).

"Motor driver circuit" was invented by Suzunosuke Kimura (Kyoto, Japan), Kosuke Yasuji (Kyoto, Japan) and Hiroki Sugamoto (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a motor driver circuit. The motor driver circuit includes a high-side driver that drives a high-side transistor according to a control signal. The high-side driver includes a voltage monitoring circuit, a timer circuit and a charge pump circuit. The voltage monitoring circuit asserts a detection signal when a detection voltage of the high-side transistor becomes lowe...