Circuit for current measurement and current monitoring

Details Circuit for current measurement and current monitoring Circuit for current measurement and current monitoring

2006-07-11

2006-07-11

Nguyen, Linh V. (Department: 2819)

Coded data generation or conversion

Converter compensation

C341S120000

Reexamination Certificate

active

07075464

ABSTRACT:
A circuit for current measurement and current monitoring in a motor vehicle is provided, with a measuring circuit with a first subtractor circuit, connected to a measuring resistor; an offset circuit, which is connected to the first subtractor circuit in such a way that a first output voltage of the first subtractor circuit is increased by an offset voltage; a second subtractor circuit, which is connected to the offset circuit and the first subtractor circuit in such a way that a second output voltage of the second subtractor circuit is substantially independent of the offset voltage, and a comparator circuit with at least one switching threshold, which is connected to the second subtractor circuit for comparison of the second output voltage with the at least one switching threshold.

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