ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,417, issued on Dec. 23, was assigned to Cypress Semiconductor Corp. (San Jose, Calif.).
"Secondary side controlled flyback converter with accurate feed-forward sensing" was invented by Partha Mondal (Paschim Medinipur, India), Arun Khamesra (Bangalore, India) and Santosh Kulkarni (Dharwad, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flyback-converter with synchronous-rectifier (SR) sense architecture is provided. A secondary side controller includes a SR-sense pin coupled through an external resistor to a drain of an SR on the secondary-side, a negative-sensing-detector, a peak-detector, a zero-crossing-detector, all coupled to the pin, a...