Circuit arrangement and method for actuating a semiconductor...

Details Circuit arrangement and method for actuating a semiconductor... Circuit arrangement and method for actuating a semiconductor...

2005-03-29

2005-03-29

Ton, My-Trang Nu (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

C327S434000

Reexamination Certificate

active

06873201

ABSTRACT:
A circuit arrangement is provided for actuating a semiconductor switch connected in series with an inductive load. The circuit includes a first input terminal for supplying an input signal which governs whether the semiconductor switch is on or off, a second input terminal for supplying a voltage measurement signal, and an output terminal for providing an actuation signal for the semiconductor switch. Connected between the first input terminal and the output terminal is a driver circuit which, for a given level of the input signal, takes a control signal as a basis for generating an actuation signal having a first or a second signal profile. To generate the control signal, a control signal generation circuit is provided which takes a stipulation by the first input signal as a basis for sensing a value of the voltage measurement signal in order to provide a sample value and generates the control signal on the basis of a comparison between the instantaneous voltage measurement signal, or a signal which is dependent thereon, and a reference value which is dependent on the sample value, or the sample value itself.

REFERENCES:
patent: 5552731 (1996-09-01), Diazzi et al.
patent: 5572156 (1996-11-01), Diazzi et al.
patent: 5663667 (1997-09-01), Blum et al.
patent: 5719521 (1998-02-01), Wong
patent: 6194951 (2001-02-01), Allmeier
patent: 6456156 (2002-09-01), Frey et al.

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