Magnetic Speed Sensors

High-Feature Three-Wire Hall-Effect Transmission Speed and Direction Sensor IC

A19530

The A19530 offers a versatile solution for speed and direction sensing in automotive transmission applications, with programmable features, vibration detection, and diagnostic capabilities for enhanced performance and reliability.

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Product Details

Top Features

  • Integrated diagnostics and certified safety design process
  • Three-wire output pulse-width protocol supporting speed, direction, and safe state 
  • Advanced algorithms supporting vibration detection and sudden air gap changes
  • Ring magnet and ferrous target sensing
  • Air gap independent switch points
  • True zero-speed operation
  • Integrated EMC capacitor in a single over-molded miniature package
  • Robust test coverage capability with Scan Path and IDDQ measurement

Typical Applications

  • Transmission
Target Application

Part Number Specifications and Availability

Differential Speed Sensor System Solutions

Seth Prentice, Strategic Marketing Manager for Allegro MicroSystems Speed Sensor IC group, discusses IC solutions for designing speed sensing applications including automotive transmissions, washing machine drum speeds, and fork lift positioning requiring reliable consistent output signals. 

Design Tools

ECAD FILE

A19530

A19530 ECAD Model Type Image
Webpage

Software Portal

Technical Documentation

Fundamental Properties of Speed Sensors
Application Note

Fundamental Properties of Speed Sensors

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