Semiconductor load driver circuit and method therefor

Details Semiconductor load driver circuit and method therefor Semiconductor load driver circuit and method therefor

1998-12-21

2000-12-26

Sherry, Michael J.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

361 79, 361 911, 361 913, 361170, H02H 318

Patent

active

061668931

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: 4787007 (1988-11-01), Matsumura et al.
patent: 4831483 (1989-05-01), Matsumura et al.
patent: 5138516 (1992-08-01), Chapman
patent: 5438286 (1995-08-01), Pavlin et al.
patent: 5510950 (1996-04-01), Bills et al.
patent: 5793127 (1998-08-01), Qualich
patent: 5818678 (1998-10-01), Berg et al.

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