ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,531, issued on Nov. 18, was assigned to Halo Microelectroincs International (Campbell, Calif.).
"Bootstrap apparatus and control method" was invented by Zhao Fang (Plano, Texas), Yang Xu (Allen, Texas) and Wenchao Qu (Plano, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a first switch and a second switch connected in series between an input voltage bus and ground, a bootstrap capacitor connected between a bootstrap voltage bus, and a common node of the first switch and the second switch, and a bias power control circuit configured to function as a switched capacitor bootstrap circuit when the apparatus is configured to o...