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:
Aug. 13, 2019

Filed:

Feb. 28, 2018
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventors:

Runruo Chen, Plano, TX (US);

Sheng-yang Yu, Plano, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 1/08 (2006.01); H02M 3/335 (2006.01); H01F 27/28 (2006.01); H01F 27/24 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 1/083 (2013.01); H01F 27/24 (2013.01); H01F 27/28 (2013.01); H01F 27/2804 (2013.01); H02M 3/335 (2013.01); H02M 3/33576 (2013.01); H02M 3/33592 (2013.01); H01F 2027/2819 (2013.01); H02M 2001/0058 (2013.01); Y02B 70/1475 (2013.01); Y02B 70/1491 (2013.01);
Abstract

Apparatus providing an integrated transformer are disclosed. An example apparatus includes a power conversion system including a switching circuit including a first primary side transistor coupled between a first input node and a switching node, and a second primary side transistor coupled between the switching node and a second input node, a series circuit including a transformer primary winding, a capacitor, and an inductor coupled in series between the switching node and the second input node, a transformer secondary circuit including a first transformer secondary winding and a second transformer secondary winding, the first and the second transformer secondary windings electrically between a first converter output and a second converter output, the transformer primary winding and the transformer secondary windings wound around at least a portion of a corresponding one of a transformer core in an infinity winding arrangement.


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