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.
Patent No.:
Date of Patent:
Mar. 07, 2023
Filed:
Sep. 16, 2020
Applicant:
Silergy Semiconductor Technology (Hangzhou) Ltd, Hangzhou, CN;
Inventors:
Longqi Wang, Hangzhou, CN;
Jianxin Wang, Hangzhou, CN;
Assignee:
Silergy Semiconductor Technology (Hangzhou) LTD, Hangzhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/42 (2007.01); H02M 1/00 (2006.01); H02M 1/12 (2006.01);
U.S. Cl.
CPC ...
H02M 1/4225 (2013.01); H02M 1/0025 (2021.05); H02M 1/12 (2013.01); H02M 1/4208 (2013.01);
Abstract
A control circuit for controlling an AC-DC power supply, can include: a pulse-width modulation (PWM) signal generating circuit configured to generate a PWM signal in accordance with a reference voltage and a current sampling signal representing an inductor current flowing through an inductor of the AC-DC power supply, and to control a power stage circuit of the AC-DC power supply in accordance with the PWM signal; and a reference voltage generating circuit configured to generate the reference voltage based on an input voltage of the AC-DC power supply.