ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,287, issued on Dec. 2, was assigned to REALTEK SEMICONDUCTOR Corp. (Hsinchu, Taiwan).
"Power management device" was invented by Wei-Wen Ou (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power management device includes a pulse-width modulation (PWM) circuit, a pulse-frequency modulation (PFM) circuit, a first switch, a second switch, an overcurrent protection circuit, a current detection circuit, and a short-circuit detection circuit. The PWM/PFM circuit is enabled by a short-circuit detection signal and generates a PWM/PFM signal. The first/second switch is electrically coupled between a high-voltage/low-voltage terminal and an ou...