ams AG - global leader in the design and manufacture of high performance analog ICs (integrated circuits)

AS5170 High Resolution Position Sensor

High-Resolution On-Axis Magnetic Angular Position Sensor

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The AS5170 is a high-resolution angular position sensor for precise absolute angle measurement. The AS5170 is available with an analog output interface (AS5170A) or a digital output interface (AS5170B). The latter can be programmed as a PWM or a SENT-compliant output interface.
The AS5170 operates at a supply voltage of 5V, and the supply and output pins are protected against overvoltage up to +20V. In addition the supply pins are protected against reverse polarity up to –20V. The AS5170A and AS5170B are available in the SOIC 8 package. 

Key Features

  • 12-bit resolution @90° minimum arc
  • Low output noise, low inherent INL
  • Magnetic stray field immunity
  • Functional safety, diagnostics, dual redundant chip version
  • AEC-Q100 Grade 0 qualified

Key Benefits

  • Resolve small angular excursion with high accuracy
  • Accurate angle measurement
  • Higher durability and lower system costs (no shield needed)
  • Enabler for safety critical applications
  • Suitable for automotive applications

Product Facts

Resolution 14-bit / 12-bit
Interfaces -
Output Analog ratiometric, PWM or SENT
Max speed [rpm]
Overvoltage protection [ ] Yes
Supply voltage [V] 5.0
Temperature range [°C] -40 to +150
Package SOIC8
Automotive qualified

Additional Information


The AS5170 (AS5270) position sensors are ideal for automotive applications like:

  • Brake and Gas Pedals
  • Throttle Valve and Tumble Flaps
  • Steering Angle Sensors
  • Chassis Ride
  • EGR
  • Fuel-Level Measurement Systems
  • 2/4WD Switch
  • Contactless Potentiometers