Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor
Patent
1988-02-02
1990-12-25
Pellinen, A. D.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific voltage responsive fault sensor
361 88, 361111, 365228, H02H 320
Patent
active
049807927
ABSTRACT:
A power transition circuit protects a bipolar-CMOS (BiCMOS) circuit during power transitions. Reference signals proportional to the voltage supplied to the protected circuit are monitored, and the power transition circuit determines from the voltage differential between the reference signals whether a power transition is occurring. If a transition is present, the transition circuit disables the protected BiCMOS circuit for as long as the power transition exists. An independent input signal allows the power transition circuit to disable the protected BiCMOS circuit in response to other conditions.
REFERENCES:
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Sedra, Adel S. and Kenneth C. Smith, Microelectronic Circuits, 1982, pp. 694-697;
Holt, Rinehart and Winston, New York, pp. 269-273.
Bowman Terrance L.
Kertis Robert A.
Smith Douglas D.
National Semiconductor Corporation
Osborn David
Pellinen A. D.
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