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:
Mar. 16, 2021
Filed:
Mar. 09, 2017
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventor:
Jiahang Jin, Kornwestheim, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01K 7/01 (2006.01); G01K 7/42 (2006.01); G01K 13/00 (2021.01); H01L 29/739 (2006.01);
U.S. Cl.
CPC ...
G01K 7/427 (2013.01); G01K 13/00 (2013.01); H01L 29/7393 (2013.01); H01L 2924/13055 (2013.01);
Abstract
The present invention relates to a temperature monitoring for switching elements, in particular for a module having bipolar transistors with an insulated gate. For this purpose, the current operating parameters of the IGBT module are detected and, on the basis of said operating parameters, an expected temperature of the switching element is determined at a predetermined position. Said expected temperature is compared with a temperature detected at this position. If the actual temperature exceeds the expected temperature, then this is an indication of a malfunction.