Current driver with shutdown circuit

Details Current driver with shutdown circuit Current driver with shutdown circuit

1993-08-09

1995-04-11

Wambach, Margaret Rosl

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327 50, H03K 1756, H03K 301

Patent

active

054061300

ABSTRACT:
A circuit in accordance with the present invention includes a current driver circuit whose drive current is sensed by a threshold circuit. The threshold circuit, upon detecting an excess of current through the current driver circuit, controls a shutdown circuit for shutting down the current driver circuit. In the preferred embodiment, the shutdown circuit portion includes a delay circuit which prevents normal transient current spikes from triggering the shutdown circuit.

REFERENCES:
patent: 5138515 (1992-08-01), Bourgeois
patent: 5270686 (1993-12-01), Tisirger
patent: 5272392 (1993-12-01), Wong et al.
patent: 5272399 (1993-12-01), Tihanyi et al.

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