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AS5170 High Resolution Position Sensor

High-resolution on-axis magnetic angular position sensor

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

Benefits

  • Resolves 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 parameters

Resolution [bit] 14 or 12
Interfaces
Output Analog ratiometric, PWM or SENT
Max. Speed [rpm]
Overvoltage Protection Yes
Redundant
Supply Voltage [V] 5.0
Temperature Range [°C] -40 to +150
Package SOIC8
Automotive Qualified

General Description

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.

This product suits for the following applications:

  • Brake and gas pedals
  • Throttle valve and tumble flaps
  • Steering angle sensors
  • Chassis ride
  • EGR
  • Fuel level measurement systems
  • 2/4WD switch
  • Contactless potentiometers

Tools

Title Category Headline Buy
AS5170AdapterBoard Application Board Adapter Board for AS5170
AS5170SocketBoard Application Board Socket Board for AS5170
SD4Y-PP Accessories Production Programmer SD4Y
RMH05-DK-XX Accessories Rotary Magnetic Holder
AS5xxx-EK-USB-PB Accessories Programming Board for AS5xxx

Resources

Name Type Description Language
AnglePositionOnAxis_SW000203_1-00.zip Software Firmware v1.64 (SD4Y Programmer) English

Technical Documents

Name Type Description Version Language
AS5x70_AN000505_1-00.pdf Application Note Description of MagneticExtendedRange Feature 1-00 English
AS5x70_AN000504_1-00.pdf Application Note Description of Linearization Feature 1-00 English
AnglePositionOnAxis_AN000271_2-00.pdf Application Note AN5000 Magnet Selection Guide v1-04 2-00 English
PositionSensors_AN000304_1-00.pdf Application Note Tape & Reel Packing Information 1-00 English
AS5170_BD000225_1-00.png Block Diagram AS5170 Block Diagram 1-00 English
AS5170_DS000412_4-00.pdf Datasheet Document version 1-05 4-00 English
AS5170-71_AS5270_FS000178_1-00.pdf Factsheet Magnetic Position Sensors with System-in-Chip technology 1-00 English
AS5170_PD000229_1-00.png Other Product Document AS5170SocketBoard Image 1-00 English
AS5170_PD000228_1-00.png Other Product Document AS5170AdapterBoard Image 1-00 English
SD4Y-PP_PD000332_1-00.png Other Product Document SD4Y-PP Image 1-00 English
AS5161-62_AS5170-71_AS5261-62_PD000333_1-00.png Other Product Document AS5xxx-EK-USB-PB Image 1-00 English
AS5170_SB_UG000377_1-00.pdf User Guide Socket Board Manual 1-00 English
AS5170_AB_UG000376_1-00.pdf User Guide Adapter Board Manual 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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