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:
Aug. 05, 2025

Filed:

Nov. 18, 2022
Applicant:

Cirrus Logic International Semiconductor Ltd., Edinburgh, GB;

Inventors:

Ivan Perry, Penicuik, GB;

Hasnain Akram, Austin, TX (US);

Graeme G. Mackay, Austin, TX (US);

Pietro Gallina, Chandler, AZ (US);

Chanchal Gupta, Chandler, AZ (US);

Bryan Quinones, Sumner, WA (US);

Abhishek Ray, Chandler, AZ (US);

Assignee:

Cirrus Logic Inc., Austin, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/158 (2006.01); H02M 1/00 (2007.01); H02M 3/07 (2006.01); H04R 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/1582 (2013.01); H02M 1/0009 (2021.05); H02M 1/0025 (2021.05); H02M 1/0095 (2021.05); H02M 3/07 (2013.01); H04R 1/005 (2013.01);
Abstract

A power converter system for converting an input voltage at an input into an output voltage at an output may comprise a switch network comprising a reactive circuit element and a plurality of switches, switch control circuitry configured to operate the plurality of switch in a plurality of periodic, sequential states to regulate the output voltage, and reference current generating circuitry. The reference current generating circuitry may include a comparator coupled to a sensed switch of the plurality of switches and configured to compare a current flowing through the sensed switch to a reference current and current-steering circuitry coupled to the comparator configured to generate the reference current and alternate the reference current between a first reference current and a second reference current whenever the switch control circuitry changes from one state of the plurality of periodic, sequential states to another state of the plurality of periodic, sequential states.


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