ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,937, issued on May 19, was assigned to Apple Inc. (Cupertino, Calif.).

"Offset reduction in power management systems" was invented by Ahmed M. Sawaby (Sunnyvale, Calif.) and Hubert Attah (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A switching converter can provide an output voltage for a subsystem. A successive approximation analog to digital converter (ADC) can receive an error input based on a difference between the output voltage and a target voltage for the subsystem. The ADC can utilize a successive approximation register (SAR) and a charge scaling digital to analog converter (DAC) to generate a digital output representin...