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:
Jun. 07, 2016
Filed:
Apr. 04, 2012
Albrecht Schwarz, Rutesheim, DE;
Albrecht Schwarz, Rutesheim, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to a method for operating a power output stage (), in particular an electrical machine, which comprises a bridge circuit () with at least one half-bridge (), wherein the half-bridge () has two power semiconductor switches () which are connected in series and which are each supplied with an operating control voltage during normal operation in order to set a power voltage, and wherein the power voltage (u4, u5) of the respective power semiconductor switch () is detected for the purpose of short-circuit monitoring. In this case, provision is made, in order to check the functioning of the short-circuit monitoring means in a check mode for the power semiconductor switches (), for a test control voltage which is below the operating control voltage to be set at least temporarily at the same time.