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. 12, 2017

Filed:

Aug. 26, 2016
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Chuang Zhang, San Diego, CA (US);

James Thomas Doyle, Carlsbad, CA (US);

Farsheed Mahmoudi, San Diego, CA (US);

Amirali Shayan Arani, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/158 (2006.01); H02M 7/483 (2007.01); H02M 1/14 (2006.01); H02M 3/07 (2006.01);
U.S. Cl.
CPC ...
H02M 3/158 (2013.01); H02M 1/14 (2013.01); H02M 7/483 (2013.01); H02M 2003/072 (2013.01);
Abstract

A circuit including: a three-level buck converter having: a plurality of input switches and an inductor configured to receive a voltage from the plurality of input switches, the plurality of input switches coupled with a first capacitor and configured to charge and discharge the first capacitor; a second capacitor at an output of the buck converter; and a switched capacitor at an input node of the inductor, wherein the switched capacitor is smaller than either the first capacitor or the second capacitor.


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