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:
Aug. 10, 2021
Filed:
Feb. 21, 2020
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventor:
Tomohiro Tashiro, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); H02H 7/122 (2006.01); H02H 3/32 (2006.01); G01R 31/08 (2020.01); G01R 19/165 (2006.01); G06F 1/30 (2006.01); G06F 1/26 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3611 (2013.01); G01R 19/16566 (2013.01); G01R 31/08 (2013.01); G01R 31/088 (2013.01); G06F 1/26 (2013.01); G06F 1/30 (2013.01); H02H 3/325 (2013.01); H02H 7/1227 (2013.01); G09G 2330/04 (2013.01);
Abstract
A gate driver IC includes a first diode, a second diode, a first comparator, a second comparator, and a judgement circuit. The first comparator compares a first potential difference between both ends of the first diode and a first threshold. The second comparator compares a second potential difference between both ends of the second diode and a second threshold. Based on comparison results of the first comparator and the second comparator, the judgement circuit determines occurrence of disconnection.