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Multiple current sensor device, a multiple current shunt device and a method for providing a sensor signal

  • US 9,523,720 B2
  • Filed: 03/15/2013
  • Issued: 12/20/2016
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. A discrete multiple current sensor device comprising:

  • an evaluation circuit; and

    at least a first current rail and a second current rail, the first current rail and the second current rail comprising a common connecting section,the first current rail further comprising a first resistive section and a first connecting section such that the first resistive section is electrically coupled in between the first connecting section and the common connecting section,the second current rail further comprising a second resistive section and a second connecting section such that the second resistive section is electrically coupled in between the second connecting section and the common connecting section,wherein the evaluation circuit is configured to determine at least one voltage drop across one of the at least two resistive sections and to provide a sensor signal indicative of at least one current value of a current flowing through the respective resistive section based on the at least one determined voltage drop, andwherein the evaluation circuit is configured to determine at least two voltage drops across the at least two resistive sections comprising a first voltage drop and a second voltage drop, the discrete current sensor device further comprising at least one terminal coupled to the evaluation circuit, wherein the evaluation circuit and the at least one terminal are configured to perform at least two operations of a group of operations, wherein the group of operations comprises supplying the evaluation circuit with a reference potential, supplying the evaluation circuit with a supply signal, receiving a control signal, providing an information carrying signal indicative of or based on the first determined voltage drop, providing an information carrying signal indicative of or based on the second determined voltage drop and receiving an information carrying signal.

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