Products

Trade Shows

27.02. - 01.03.2018, Nuremberg
Hall 1, Booth 1-670

 

Contact:

Germany / General
André Huntrieser
✆: +49 (0) 2129 - 376-202
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Field Applications Engineer
Günter Fuchs
✆: +49 (0) 2129 376-200
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Tech Support
Raphael Balke
✆: +49 (0) 2129 376-200
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Austria / Switzerland
Karl Eder
✆: +43 (0) 7448 - 21643-11
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MLX90217

 

 

The MLX90217 is a continuously adapting digital gear tooth sensor designed for use in automotive camshaft sensing as well as other speed sensing applications.
It is designed to be used with a back bias magnet to sense the rotating speed (incremental position) of a ferrous toothwheel. The bias magnet can be from 50 to 400 mT.
The device has an open-drain output (low-side) which is short circuit protected. 
The MLX90217 uses a single Hall plate (mono-cell) which makes it insensitive to any mounting tolerances.
The MLX90217 logic tracks the flux density, recognizes any increase or decrease, and continuously adapts the switching thresholds (Bop/Brp) based on the detected peaks (minimum or maximum). The output turns on (Bop) after the flux has reached its maximum value and decreased by an amount equal to the hysteresis. Similarly the output turns off (Bop) after the flux has reached its minimum value and increased by an amount equal to the hysteresis.

 

Features Application examples
  • Gear-Tooth Sensor
  • Continuously Adapting Switching Thresholds (Bop/Brp)
  • Zero-Speed Operation
  • First-Edge after Power-On
  • Mono-cell
  • Open-Drain Output feat. Short-Circuit Output Protection
  • 3-SIP-UA Package (Through Hole) 
  • Automotive - Powertrain
  • Industrial & Robotics
  • Building, Security, Home & Office Automation
  • White Goods & Household Appliances
  • Non-Automotive Transportation