Sense circuit for on-chip thermal shutdown

Details Sense circuit for on-chip thermal shutdown Sense circuit for on-chip thermal shutdown

1991-05-16

1993-04-27

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

361 78, H02H 504

Patent

active

052067785

ABSTRACT:
An on-chip thermal shutdown circuit senses the average junction temperature of an integrated circuit device. The on-chip circuit generates a signal when the junction temperature exceeds a preset limit. This signal may then be used to control other circuitry such that the electrical shutdown of the integrated circuit device is enabled under conditions of excessive device temperature. In this manner, catastrophic device damage can be avoided and the host system can be notified of the existence of a fault condition.

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