Method and control unit for driving a control circuit

Details Method and control unit for driving a control circuit Method and control unit for driving a control circuit

2003-02-27

2008-07-08

Sherry, Michael J (Department: 2836)

Electrical transmission or interconnection systems

Switching systems

Switch actuation

Reexamination Certificate

active

07397150

ABSTRACT:
A method and a control unit for driving a control circuit (1) are suggested which make possible an improved distribution of the generated power loss. A component (15), especially of a motor vehicle, is driven via at least two outputs (5, 10) of the control circuit (1). Each output (5, 10) is connected pairwise to one of several potentials (40, 45) via controllable switch means (20, 25; 30, 35) and a drive voltage (UA) is formed for the component (15) from a difference between the potentials at the two outputs (5, 10). A pregiven clocked course of the drive voltage (UA) is adjusted by switching more than one of the controllable switch devices (20, 25; 30, 35).

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“3966 Dual Full-Bridge PWM Motor Driver”, Data Sheets, Allegro Microsystems, Inc., pp. 1-3, 5, 8-12 (1998, 2000).
“L6228 DMOS Driver for Bipolar Stepper Motor”, Product Preview, STMicroelectronics, pp. 1-7, 11-12, 14-22 (2002).

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