3D Magnetic Position Sensor IC for Automotive Applications

A31315

Allegro OL 8 Package

The A31315 offers precise rotary and linear position measurement in automotive environments, with analog, PWM, and SENT output options, programmable linearization, and on-chip angle calculation. Supports ASIL compliance.

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Top Features

Packaging

  • 3D Hall-effect magnetic sensor for absolute rotary and linear position sensing applications
  • On-chip angle calculation with configurable signal path and flexibility linearization enables customers to achieve the most stringent accuracy requirements while minimizing end of line programming time.
    • Piecewise-linear and binning modes 
    • Up to 33-point fixed position 
    • Up to 22-point programmable positions 
  • Supports SENT (SAE J2716), PWM, and Ratiometric Analog output interface options
  • Developed in accordance with ISO 26262 as a hardware safety element out of context (SEooC) with single die ASIL B and dual die ASIL D capability (pending assessment)
  • AEC-Q100 Grade 0 qualified supports operation in harsh conditions, required for automotive and industrial applications

The A31315 is available as a single die in the SOIC-8 package and stacked dual die in the TSSOP-14 package for applications that require full redundancy.

LU Package Documentation

OL Package Documentation

Part Number Specifications and Availability

A31315 Product Overview

The A31315 is a robust, fully integrated 3DMAG™ Hall-effect magnetic position sensor IC designed to support a wide range of non-contact rotary and linear position measurement in the automotive, industrial and consumer applications.