US Patent Issued to Apple on Oct. 7 for "Common mode noise cancellation for LLC resonant converters" (California Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,439, issued on Oct. 7, was assigned to Apple Inc. (Cupertino, Calif.).

"Common mode noise cancellation for LLC resonant converters" was invented by Chanwit Prasantanakorn (Santa Clara, Calif.) and Bharat K Patel (San Martin, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power converter can include a switching bridge having two input terminals that receive an input voltage and a switch node coupled to a primary winding of a transformer; at least one rectifier device coupled between a secondary winding of the transformer and an output of the power converter; and a common mode noise compensation capacitor. A first terminal of the common mode n...