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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.

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

Name Type Description Version Language
AS5261_BD000374_1-00.png Block Diagram AS5261 Block Diagram 1-00 English
AS5261_DS000376_1-00.pdf Datasheet Document version 1-04 1-00 English
AS5261_PD000236_1-00.png Other Product Document AS5261AdapterBoard Image 1-00 English
AS516x_AS526x_PD000208_1-00.png Other Product Document AS5x6xEvalKit Image 1-00 English
SD4Y-PP_PD000332_1-00.png Other Product Document SD4Y-PP Image 1-00 English
AS5261_AS5262_AB_UG000147_2-00.pdf User Guide Adapter Board Manual 2-00 English
AS5x61_62_UG000148_1-00.pdf User Guide Programming example 1-00 English
AS5xxx_UG000387_1-00.pdf User Guide SD4Y Production Programmer Manual 1-00 English
AS5xxx_UG000386_1-00.pdf User Guide AS5xxx Rotary Magnet Holder 1-00 English

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