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:
Feb. 01, 2022

Filed:

Dec. 11, 2019
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventor:

Serkan Dusmez, Plano, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 1/42 (2007.01); G01R 1/20 (2006.01); G01R 19/00 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 1/4225 (2013.01); G01R 1/203 (2013.01); G01R 19/0092 (2013.01); H02M 1/0009 (2021.05);
Abstract

Current sensing apparatus in power factor correction circuits and related methods are disclosed. An example power factor correction circuit includes a first Gallium Nitride (GaN) transistor having a first current terminal and a second current terminal, a second GaN transistor having a third current terminal and a fourth current terminal, a first diode having a first anode, a second diode having a second anode, the second anode coupled to the first anode, and a resistor having a first terminal and a second terminal, the first terminal coupled to the second current terminal and the fourth current terminal, the second terminal coupled to the first anode and the second anode.


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