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:
Jan. 31, 2023

Filed:

Mar. 05, 2021
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Jitendra K. Agrawal, Fremont, CA (US);

Yue Wen, Sunnyvale, CA (US);

Assignee:

Apple Inc., Cupertino, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/158 (2006.01);
U.S. Cl.
CPC ...
H02M 3/1584 (2013.01); H02M 3/1586 (2021.05);
Abstract

A method and apparatus for adding and shedding phases in a multi-phase power converter is disclosed. A power converter includes a plurality of voltage regulators including a given voltage regulator configured to generate, when active, a particular output voltage on a regulated power supply node. The power converter further includes a control circuit. The control circuit is configured determine an amount of output current being supplied to the regulated power supply node by active ones of the plurality of voltage regulator circuits. The control circuit is further configured to adjust a number of voltage regulator circuits that are active based on the output current and one or more environmental parameters associated with the plurality of voltage regulator circuits.


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