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:
Dec. 29, 2015

Filed:

Mar. 11, 2014
Applicant:

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

Inventors:

Prashanth Drakshapalli, Austin, TX (US);

Rahul Singh, Austin, TX (US);

Siddharth Maru, Austin, TX (US);

John L. Melanson, Austin, TX (US);

Assignee:

Other;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); H02M 3/335 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33507 (2013.01); H05B 33/0815 (2013.01); Y02B 20/347 (2013.01);
Abstract

A power distribution system and method includes a controller that is configured to control a switching power converter. In at least one embodiment, the controller includes a compensation current control circuit to control a compensation current that reduces and, in at least one embodiment, approximately eliminates variations in current drawn by the controller during a particular operational time period. In at least one embodiment, the power distribution system is a lamp that includes the controller, a switching power converter, and one or more light sources, such as light emitting diodes.


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