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GMR high current, wide dynamic range sensor

  • US 6,429,640 B1
  • Filed: 08/21/2000
  • Issued: 08/06/2002
  • Est. Priority Date: 08/21/2000
  • Status: Expired due to Fees
First Claim
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1. A Giant MagnetoResistive (GMR) current sensor for sensing a current in a strip line, said GMR current sensor comprising:

  • a silicon chip a GMR current sensor element placed on said silicon chip for sensing the current in the strip line; and

    an integrated drive coil placed on said GMR current sensor element with on-chip turns and having a feedback support circuit to cancel spurious fields from the strip line.

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