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:
Oct. 18, 2011
Filed:
Jul. 15, 2008
Applicant:
Christoph Deml, Munich, DE;
Inventor:
Christoph Deml, Munich, DE;
Assignee:
Infineon Technologies AG, Neubiberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and a corresponding circuit protect a power MOSFET from overload when switching the MOSFET off. The current through the MOSFET is compared to a reference signal depending on the time since switching the MOSFET on.