ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,431, issued on Jan. 27, was assigned to RICHTEK TECHNOLOGY Corp. (Zhubei, Taiwan).
"High precision inductor current emulator circuit and emulation control circuit and control method thereof" was invented by Fu-Shiang Lai (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An inductor current emulator circuit is for use in a switching power regulator, wherein a first and a second switches of a power stage circuit switch an inductor. The first and second switches are ON during first and a second ON-times, respectively. The inductor current emulator circuit includes: a sensing circuit sensing an ON-current of the second switch to generate ...