Over-current protection circuit

Details Over-current protection circuit Over-current protection circuit

1988-03-31

1990-05-15

Jennings, Derek S.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361 98, H02H 308

Patent

active

049262882

ABSTRACT:
An electronic circuit is provided for protecting an electronic system and its power supply from damages caused by an over-current condition. The circuit automatically enters into a first state upon application of power from the power supply. In this first state, current is allowed to pass from the power supply through a channel to the electronic system. Upon detecting an over-current condition, a positive feedback will cause the circuit to enter into a second state, wherein the channel is cutoff.

REFERENCES:
patent: 4438473 (1984-03-01), Cawley et al.

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