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AS5261 Position Sensor Dual-Die

Redundant 12-bit rotary position sensor with PWM output and overvoltage protection

Features

  • 360º contactless high resolution angular position sensing
  • User programmable start and end point of the application region
    Saw tooth mode 1-4 slopes per revolution
    Clamping levels
    Transition point
  • Broken GND and VDD detection for all external load cases
  • 12-bit pulse width modulated (PWM) output
  • Wide temperature range: - 40°C to 150°C
  • Small Pb-free package: MLF 16 6x6 (with dimple)

Benefits

  • Great flexibility on angular excursion
  • Simple programming
  • Failure diagnostics
  • High-resolution output signal
  • Ideal for applications in harsh environments due to contactless position sensing
  • Stacked die redundant approach

Product parameters

Resolution [bit] 12
Interfaces
Output PWM
Max. Speed [rpm]
Overvoltage Protection Yes
Redundant Yes
Supply Voltage [V] 5.0
Temperature Range [°C] -40 to +150
Package MLF-16
Automotive Qualified Yes

General Description

The AS5261 is a redundant, contactless Hall-based magnetic position sensor for very accurate angular measurement over a full turn of 360°. It is a compact integrated solution which provides the absolute angle measurement with a resolution of 0.09° over a full revolution as PWM output signal. The internal 14-bit core of the AS5261 enables a fine programming of the start and stop positions with a resolution of 0.02° to allow the finest system mechanical adjustments.

With two decades of magnetic sensor system know-how, we have broad experience in selecting the most suitable magnets. ams experts recommend the following magnet suppliers.

This product suits for the following applications:

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

Tools

Title Category Headline Buy
AS5x6xEvalKit Application Board Evaluation Kit for AS5x6x
AS5261AdapterBoard Application Board Adapter Board for AS5261
SD4Y-PP Accessories Production Programmer SD4Y
RMH05-DK-XX Accessories Rotary Magnetic Holder
AS5xxx-EK-USB-PB Accessories Programming Board for AS5xxx

Technical Documents

Type Description Language
Datasheet Document version 1-04 English
Datasheet Document version 1-04 English
Application Note AN5000 Magnet Selection Guide v1-04 English
Application Note Tape & Reel Packing Information English
Application Note AN5000 Magnet Selection Guide v1-04 English
User Guide Programming example English
User Guide Programming example English

Environmental Documents

Type Description Language
Material Declaration Form MDF_186210099_AS5261-HMFP English
Material Declaration Form MDF_186210099_AS5261-HMFM English
Material Declaration Form MDF_186210042_AS5261 English
RoHS Certificate RoHS Certificate AS5261 English

Notifications

Type Description Language
Product Change Notification PCN01-2014 (AS5215, AS5245, AS5261, AS5262, AS5263, AS8223, AS8506, AS8515) English

Other Information

Type Description Language
Block Diagram AS5261 Block Diagram English

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