The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 17, 2026

Filed:

Feb. 20, 2024
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:
Assignee:

Apple Inc., Cupertino, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 3/158 (2006.01);
U.S. Cl.
CPC ...
H02M 3/158 (2013.01);
Abstract

Systems and methods described herein correspond to voltage regulator operations that enable voltage regulation even while an inductor current of the voltage regulator approaches or is at 0 amps (A). A voltage regulator may be operated in a three-level (3L) mode until a capacitor voltage is detected as out of regulation. The voltage regulator may be operated in a two-level (2L) mode to enable auxiliary circuitry to adjust the capacitor voltage back into regulation without adjusting a current supplied to a load. While the capacitor voltage is in regulation, the voltage regulator may operate in the 3L mode. The voltage regulator operations described herein enable continuous conduction operations near zero, which may reduce or eliminate a likelihood of switching harmonics being introduced as noise into power supplied from the voltage regulator.


Find Patent Forward Citations

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Nogueira Dias, Nuno. (2026). Buck converter continuous conduction operation (U.S. Patent No. 12556092). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12556092

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