Current, voltage and temperature measuring circuit

Details Current, voltage and temperature measuring circuit Current, voltage and temperature measuring circuit

2005-09-20

2005-09-20

Deb, Anjan (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

Reexamination Certificate

active

06946845

ABSTRACT:
An ASIC for current, voltage and temperature measurements has signal inputs (RSHH, VBAT, ETS, ETR) for receiving input signals, several choppers, an amplifier, an analog/digital converter and a digital signal output for outputting the result of the measurement and for communicating with a higher-order control unit. The invention proposes that the measuring circuit contain several differential signal inputs (RSHH-RSHL, VBAT-RSHL, ETS-RSHL, ETR-RSHL and VBAT-ETS), wherein one respective chopper/multiplexer is arranged downstream of each signal input.

REFERENCES:
patent: 3344406 (1967-09-01), Vinal
patent: 3992617 (1976-11-01), Epstein
patent: 4694384 (1987-09-01), Steigerwald et al.
patent: 5287107 (1994-02-01), Gampell et al.
patent: 5339018 (1994-08-01), Brokaw
patent: 5869951 (1999-02-01), Takahashi
patent: 6324042 (2001-11-01), Andrews
patent: 2451281 (1976-05-01), None

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