Short circuit protection arrangement for a driver circuit

Details Short circuit protection arrangement for a driver circuit Short circuit protection arrangement for a driver circuit

1989-05-30

1990-07-31

Deboer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

361 18, 361 58, 361100, H02H 316

Patent

active

049453580

ABSTRACT:
A short circuit protection arrangement (2) for a driver circuit (9, 16) including a diode (24) for sensing the presence of a short circuit condition at the driver circuit output; and an arrangement (18, 20, 22, 24) for sensing the discontinuance of the short circuit condition by establishing an inductive current at the output upon the occurrence of the short circuit condition and sensing the increase in voltage at the output due to the inductive current upon discontinuance of the short circuit condition. Such a protection arrangement may be used for each of a plurality of driver circuits (40, 50, 60, 70, 80) utilizing a common inductance (36, 38).

REFERENCES:
patent: 4161760 (1979-07-01), Valentine

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