US Patent Issued to Shanghai Hanmai Electronic Technology on Sept. 29 for "Multi-phase buck converter and chip" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,749,979, issued on Sept. 29, was assigned to Shanghai Hanmai Electronic Technology Co. Ltd (Shanghai).

"Multi-phase buck converter and chip" was invented by Xiaohui Wu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-phase buck converter including M converter branches and a loop error amplifier and a chip are provided. Each converter branch includes a driving module and a power stage output circuit. The driving module includes a current information error amplifier, a synchronous ramp voltage generation circuit configured to generate a synchronous ramp signal based on the output voltage, a pulse width modulation comparator, and a driving...