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:
Mar. 17, 2020

Filed:

Sep. 26, 2019
Applicant:

Chicony Power Technology Co., Ltd., New Taipei, TW;

Inventors:

Wen-Nan Huang, New Taipei, TW;

Shiu-Hui Lee, New Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); G03G 15/00 (2006.01); H02J 9/06 (2006.01); G01R 19/04 (2006.01); H02M 7/217 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33507 (2013.01); G01R 19/04 (2013.01); G03G 15/5004 (2013.01); H02J 9/061 (2013.01); H02M 7/2176 (2013.01); H02M 2001/0022 (2013.01); H02M 2001/0025 (2013.01); H02M 2001/0032 (2013.01);
Abstract

A power supply device and a power supply method are provided. The power supply device is configured to generate a first feedback signal according to an output power source, and operate in a skip mode (or called burst mode) according to the first feedback signal. The power supply device is configured to obtain an overall efficiency according to an input power and an output power, and obtain a difference between the overall efficiency and a preset efficiency. When an output current value of the output power source is within a predetermined range and the difference is greater than a first value, the power supply device generates a second feedback signal and stops operating in the skip mode according to the second feedback signal.


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