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:
Sep. 21, 2021

Filed:

Dec. 24, 2019
Applicant:

Rohm Co., Ltd., Kyoto, JP;

Inventors:

Toru Takuma, Kyoto, JP;

Shuntaro Takahashi, Kyoto, JP;

Assignee:

Rohm Co., Ltd., Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 17/0812 (2006.01); B60R 16/02 (2006.01); H03K 17/14 (2006.01); H02H 9/04 (2006.01); H02H 3/087 (2006.01); H02H 1/00 (2006.01); H03K 17/687 (2006.01);
U.S. Cl.
CPC ...
H03K 17/08122 (2013.01); B60R 16/02 (2013.01); H02H 1/0007 (2013.01); H02H 3/087 (2013.01); H02H 9/04 (2013.01); H03K 17/145 (2013.01); H03K 17/687 (2013.01);
Abstract

A switching device has, for example, a first terminal configured to be connected to an application node for a first voltage, a second terminal configured to be connected to the first end of a load, a third terminal configured to be connected to the second end of the load and to an application node for a second voltage, a switching element configured to be connected between the first and second terminals, a first active clamper configured to limit the output voltage at the second terminal with reference to the first voltage in a first state, and a second active clamper configured to limit the output voltage with reference to the second voltage in a second state different from the first state.


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