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Austrian Microsystems - Contactless Hall-based Magnetic Position Sensor - 21 November 2012

The AS5161 is a contactless Hall-based magnetic position sensor for very accurate angular measurement over a full turn of 360°.

A sub range can be programmed to achieve the best output characteristic for the application. A simple diametrical 2-pole magnet rotating on the center of the IC is required: the magnet may be placed above or below the IC.

  Product page  Datasheet

  • 14-bit core resolution for fine user programming of the start and stop position
  • 12-bit resolution PWM output signal
  • User programmable clamping, diagnostic levels and transition point
  • Multiple slope output characteristic
  • Overvoltage, short-circuit and reverse battery protections
  • High driving capability of resistive and capacitive loads
  • Broken GND and VDD detection over a wide range of different load conditions
  • Simple programming by provided programming hardware and software
  • Failure detection mode for magnet placement monitoring and loss of power supply, indication of high voltage condition
  • Wide temperature range: -40°C to +150°C
  • Package: SOIC-8

  • Applications
  • Height control in chassis ride
  • Pedal position sensing
  • Throttle position sensing
  • Tumble-flaps
  • Transmission gearbox position sensor
  • Valve position sensing
  • Contactless potentiometers

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