Title:
CONTROL UNIT
Document Type and Number:
WIPO Patent Application WO/2012/130498
Kind Code:
A3
Abstract:
The invention relates to a control unit (40) for driving an electric load, in particular an electric machine, having a first and a second voltage terminal (46, 48) in order to supply the control unit (40) with electrical energy, a capacitor (58), which is connected between the voltage terminals (46, 48), at least one half-bridge (15), which is connected between the voltage terminals (46, 48), wherein the half-bridge (50) has two controllable switches (52, 54), between which there is formed a half-bridge tap (50) for connecting the load, a safety circuit (66), which is designed to close one of the controllable switches (52, 54) of the half-bridge (50) in the event of a fault, a discharge circuit (68), which is designed to connect the voltage terminals (46, 48) electrically in the event of a fault, and having a control circuit (18) which is designed to provide a control signal (78) which triggers the safety circuit (66) and the discharge circuit (68) in the event of the detected fault.
Inventors:
SCHOENKNECHT ANDREAS (DE)
Application Number:
PCT/EP2012/051436
Publication Date:
May 30, 2013
Filing Date:
January 30, 2012
Export Citation:
Assignee:
BOSCH GMBH ROBERT (DE)
SCHOENKNECHT ANDREAS (DE)
SCHOENKNECHT ANDREAS (DE)
International Classes:
H02P3/22; B60L3/00; B60L3/04; B60L7/06; B60L50/16
Foreign References:
| DE19835576A1 | 1999-11-18 | |||
| JP2010200490A | 2010-09-09 | |||
| US20090224706A1 | 2009-09-10 |
Attorney, Agent or Firm:
ROBERT BOSCH GMBH (Stuttgart, DE)
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