Universal power supply monitor circuit

Details Universal power supply monitor circuit Universal power supply monitor circuit

1990-02-05

1990-12-25

Beha, Jr., William H.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

340662, 340663, G08B 2100

Patent

active

049807919

ABSTRACT:
A power supply monitoring circuit for operating in a plurality of modes comprising first and second single input comparators coupled to first and second inputs, respectively, for sensing the voltage levels thereof. A reference circuit for generating a reference voltage at a first output. A programming circuit coupled to the outputs of the first and second single input comparators and being responsive to a third input for providing the selection of plurality of operation modes and for providing second and third outputs which are function of the voltage levels appearing at the first and second inputs.

REFERENCES:
patent: 4311994 (1982-01-01), Kuribayashi
patent: 4623833 (1986-11-01), Edwards
patent: 4724375 (1988-02-01), Dittmar
patent: 4951171 (1990-08-01), Tran et al.
Bishop, "Over and Under Voltage Sensor Uses Comparators," Elect. Eng., vol. 49, No. 590, p. 19, Apr., 1977.

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