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High-Accuracy Two-Wire Wheel Speed and Direction Sensor IC with PW or AK Protocol

A19302

Allegro 2-Pin SIP UB Package

The A19302 offers flexible speed and direction sensing with selectable PW or AK protocol output. Its SolidSpeed Digital Architecture ensures accurate and stable performance in harsh automotive environments.

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Top Features

Typical Applications

Packaging

  • Hall-effect technology allows ease of use for ring magnet and ferromagnetic target sensing
  • PW or AK Protocol for speed and direction information, signal integrity, and functional status
  • Integrated capacitor in a single overmolded miniature package provides greater EMC robustness
  • SolidSpeed Digital Architecture™ supports advanced algorithms, maintaining pitch accuracy during dynamic air gap disturbances
  • ISO 26262 ASIL B(D) with integrated diagnostics and certified safety design process (pending final assessment)

The IC is offered in the UB package, which integrates the IC and a high temperature ceramic capacitor in a single overmolded SIP package for enhanced EMC performance. The 2-pin SIP package is lead (Pb) free, with tin leadframe plating.

UB Package Documentation

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Part Number Specifications and Availability

Documentation and Resources

Documentation

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Documents Found: 32
Document Type Document Name
Application Note
Understanding Input Signal Variation in Sensor ICs with SolidSpeed Digital Architecture
Application Note
Wheel Speed Sensors Operating in Harsh Environments