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. 30, 2025

Filed:

Mar. 02, 2023
Applicant:

Renesas Electronics Corporation, Tokyo, JP;

Inventor:

Ryutaro Minesawa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/56 (2006.01); B60R 16/03 (2006.01); H02M 1/08 (2006.01); H03K 5/156 (2006.01);
U.S. Cl.
CPC ...
H03K 17/56 (2013.01); B60R 16/03 (2013.01); H02M 1/08 (2013.01); H03K 5/1565 (2013.01);
Abstract

A semiconductor device includes first and second isolators, a first transmitting circuit that transmits a transmission signal via the first isolator, a first receiving circuit that receives a received signal corresponding to the transmission signal via the first isolator, an output driver that outputs a drive signal for driving a power device based on the received signal, a timer that inputs first and second signals having first and second information associated with the power device, respectively, and outputs a third signal from the first and second information, a second transmitting circuit that transmits the third signal via the second isolator and a second receiving circuit that receives a signal corresponding to the third signal via the second isolator.


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