ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,231,102, issued on Feb. 18, was assigned to STMicroelectronics (Shenzhen) R&D Co. Ltd. (Shenzhen, China).
"Audio amplifier with embedded buck controller for class-G application" was invented by XiangSheng Li (Shenzhen, China) and Ru Feng Du (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An audio amplifier includes: a buck controller configured to control an output voltage at a first supply terminal, the output voltage selected from a set including a plurality of output voltages, where the output voltage takes a settling time to settle; a first audio bridge including: a class-AB driver stage coupled to the first supply terminal, and a de...