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. 03, 2017

Filed:

Sep. 29, 2014
Applicant:

Power Integrations, Inc., San Jose, CA (US);

Inventors:

Stefan Bäurle, San Jose, CA (US);

David Michael Hugh Matthews, Los Gatos, CA (US);

Assignee:

Power Integrations, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/32 (2007.01);
U.S. Cl.
CPC ...
H02M 3/33507 (2013.01); H02M 1/32 (2013.01); H02M 3/33576 (2013.01); H02M 2001/327 (2013.01);
Abstract

A controller for use in a power converter includes a drive circuit coupled to control switching of a power switch of the power converter to regulate the output of the power converter. A limit sense circuit is coupled to output a limit sense signal in response to a condition of the power converter. The drive circuit is coupled to operate in a first operation mode if there is a no limit condition. The first operation mode includes regulating the output of the power converter with a regulated output voltage and a first maximum output current. The drive circuit is coupled to operate in a second operation mode if there is a limit condition. The second operation mode regulating the output of the power converter with the regulated output voltage and a second maximum output current wherein the second maximum output current is less than the first maximum output current.


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