ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,520, issued on March 25, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).
"Zero current detector with pre-charge circuit" was invented by Srinivas Venkata Veeramreddi (Bengaluru, India) and Subhash Sahni (Dehradun, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A switch-mode power supply and a zero current detector for use therein. A zero current detector includes an input stage and an output stage. The output stage is coupled to the input stage. The output stage includes a detector output terminal, a first transistor, and a second transistor. The first transistor includes an input terminal and a control terminal. The input terminal is couple...