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:
Apr. 04, 2023

Filed:

May. 02, 2022
Applicant:

Silergy Semiconductor Technology (Hangzhou) Ltd, Hangzhou, CN;

Inventors:

Yuanyu Yang, Hangzhou, CN;

Bo Cai, Hangzhou, CN;

Jian Li, Hangzhou, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/385 (2020.01); H02M 3/335 (2006.01);
U.S. Cl.
CPC ...
H05B 45/385 (2020.01); H02M 3/33523 (2013.01); H02M 3/3353 (2013.01); H02M 3/33507 (2013.01);
Abstract

A control circuit for controlling a power converter can include: a constant voltage output module, a constant current output module, and a power stage circuit; and where the control circuit is configured to select one of a first feedback signal representative of output information of the constant current output module, and a second feedback signal representative of output information of the constant voltage output module as a feedback input signal based on operation states of the constant current output module and the constant voltage output module, in order to control a switching state of a power switch of the power stage circuit.


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