±50A Current Sensor using Closed-Loop Compensated Hall Element Reference Design
TIPD180
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Key Document

Description

This TI Precision Verified Design provides a complete closed loop Hall based current transducer signal conditioning solution.  The circuit features the DRV411 and is designed to accurately measure dc, ac and pulsed currents to +/-50 A with galvanic isolation between the primary and secondary circuits.  The DRV411 provides Hall excitation, a compensation coil driver and a precision difference amplifier in a single package.  The unique current spinning technology employed on the DRV411 virtually eliminates the offset and 1/f noise of the Hall device and enables accurate, galvanically isolated, high-current, measurements in applications such as industrial motor control, energy, and HEV.

Features
  • TI Precision Designs: Verified Design
  • Includes theory, component selection, TINA-TI simulation, PCB schematic & layout, bill of materials, and measured results
  • Measures dc, ac and pulsed currents to +/-50 A
  • Single 5 V supply
  • Galvanic Isolation between primary and secondary circuits

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TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DRV411  Hall-Effect Magnetic Sensor Signal Conditioning IC for Closed-Loop Applications  Specialty sensors  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DRV411 Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 614 08 Dec 2014
Design files (2)
Title Type Size (KB) Date
PDF 193 16 Dec 2014
PDF 144 15 Dec 2014
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