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.
Patent No.:
Date of Patent:
Apr. 14, 2020
Filed:
Jul. 26, 2017
Applicant:
Rohm Co., Ltd., Kyoto, JP;
Inventors:
Kei Nagao, Kyoto, JP;
Toru Takahashi, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 9/02 (2006.01); H01L 27/02 (2006.01); H02H 3/20 (2006.01); H05B 33/08 (2020.01); B60Q 11/00 (2006.01); H03K 17/0812 (2006.01); H02H 9/04 (2006.01);
U.S. Cl.
CPC ...
H01L 27/0266 (2013.01); B60Q 11/005 (2013.01); H01L 27/0255 (2013.01); H02H 3/20 (2013.01); H03K 17/0812 (2013.01); H05B 33/089 (2013.01); H02H 9/02 (2013.01); H02H 9/04 (2013.01); H02H 9/042 (2013.01);
Abstract
A semiconductor device includes a first overvoltage detection unit including a first comparator arranged to output a first detection signal based on a first divided voltage after dividing an output voltage of a power supply circuit by first resistors disposed externally and a second overvoltage detection unit including second resistors and a second comparator arranged to output a second detection signal based on a second divided voltage after dividing the output voltage by the second resistors.