Method of driving a load and semiconductor load driver circuit t

Details Method of driving a load and semiconductor load driver circuit t Method of driving a load and semiconductor load driver circuit t

1998-12-21

2000-12-12

Sherry, Michael J.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

361 86, 361 911, 361 916, H02H 318

Patent

active

06160691&

ABSTRACT:
A load driver circuit (10) includes an output driver (11) suitable for driving an inductive load (13). An output clamp circuit (15) clamps the output (12) to a high voltage during turn-off of the output driver (11). An open load detect circuit (26) clamps the output (12) to a lower voltage when the load (13) has an open circuit fault. A power fault voltage detect circuit (28) clamps the output (12) to another low voltage during a power fault condition.

REFERENCES:
patent: 5010439 (1991-04-01), Zisa et al.
patent: 5444591 (1995-08-01), Chokhawala et al.
patent: 5467242 (1995-11-01), Kiraly

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