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

AS5245 Rotary Sensor

Redundant 12-bit rotary position sensor with digital angle iInterface) and ABI output

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The AS5245 is a redundant, contactless magnetic rotary position sensor for accurate angular measurement over a full turn of 360° and over an extended ambient temperature range of -40°C to 150°C. The absolute angle measurement provides instant indication of the magnet’s angular position with a resolution of 0.0879° = 4096 positions per revolution via a serial bit stream and as a PWM signal. 

Key Features

  • Built-in redundancy
  • Diagnostic feature
  • 150°C ambient temperature
  • Daisy chain mode

Product Facts

Resolution 12 bit
Interfaces SSI
Output Digital Angle (Interface) / ABI / PWM
Max speed [rpm]
Overvoltage protection [ ]
Redundant Yes
Supply voltage [V] 3.3 or 5.0
Temperature range [°C] -40 to +150
Package QFN-32
Automotive qualified Yes

Additional Information

  • Steering wheel position sensing
  • Headlight position control
  • Valve position sensing
Technical Documents