Current driver having voltage transition failure-based short cir

Details Current driver having voltage transition failure-based short cir Current driver having voltage transition failure-based short cir

1992-08-14

1995-06-27

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

361 89, 307 52, 307130, 323268, H02H 314

Patent

active

054284929

ABSTRACT:
A current driver has a short circuit protection circuit which monitors the magnitude of the current driver's output voltage. The protection circuit looks for the failure of the output voltage to either change to a prescribed non short-circuit representative value within a prescribed time window after the onset of a voltage transition at the input node, or to maintain that value as dictated by the input signal. If either of these conditions occurs, the protection circuit takes action to reduce the driver's output current to a relatively small `short circuit` current.

REFERENCES:
patent: 4355277 (1982-10-01), Davis et al.
patent: 4926283 (1990-05-01), Qualich
patent: 4937697 (1990-06-01), Edwards et al.

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