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. 19, 2017

Filed:

Mar. 14, 2013
Applicant:

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

Inventors:

Lingli Zhang, Austin, TX (US);

Dan Shen, Austin, TX (US);

Johann Gaboriau, Austin, TX (US);

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 1/15 (2006.01); H02M 3/158 (2006.01); H03K 17/16 (2006.01);
U.S. Cl.
CPC ...
H02M 1/15 (2013.01); H02M 3/1588 (2013.01); H03K 17/162 (2013.01); H03K 2217/0063 (2013.01); Y02B 70/1466 (2013.01);
Abstract

In accordance with embodiments of the present disclosure, systems and methods may include an input configured to indicate a switching node voltage of a switching node of a power converter comprising a first switch device coupled at its non-gate terminals between a ground voltage and the switching node and a second switch device coupled at its non-gate terminals between an output supply node and the switching node. The systems and methods may also include a predriver circuit coupled to the input and a gate terminal of the first switch device, the predriver circuit configured to drive an input voltage signal to the gate terminal of the first switch device and configured to select an effective impedance of the gate terminal of the first switch device based on the input.


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