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:
Nov. 28, 2017

Filed:

Jan. 17, 2017
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Inventor:

Kazunari Yamamoto, Miyoshi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/158 (2006.01); H02M 1/08 (2006.01); H02P 27/06 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/158 (2013.01); H02M 1/08 (2013.01); H02P 27/06 (2013.01); H02M 2001/0009 (2013.01);
Abstract

A controller of a DC-DC converter is configured to: obtain respective temperatures of a plurality of switching elements from a plurality of temperature sensors while the controller is driving all of the plurality of switching elements; determine at least one preservation target switching element from the plurality of switching elements based on the respective temperatures of the plurality of switching elements such that the at least one preservation target switching element includes a switching element a temperature of which is highest among the plurality of switching elements; and drive at least one non-preservation target switching element other than the at least one preservation target switching element to adjust an output current of a DC-DC converting circuit to a target value.


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Yamamoto, Kazunari. (2017). Dc-dc converter (U.S. Patent No. 9831779). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9831779

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