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ASIL-Compliant Hall-Effect Transmission Speed and Direction Sensor IC for Ferrous Targets

ATS19520

Allegro 3-PIN SIP SN Package

The ATS19520 offers robust speed and direction sensing for ferrous targets in automotive applications, with ASIL compliance, an integrated back-bias magnet, and differential sensing for enhanced performance.

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Top Features

Packaging

  • Differential Hall-effect sensor measures ferrous targets with inherent stray field immunity
  • SolidSpeed Digital Architecture™ provides robust, adaptive performance with advanced algorithms that provide vibration immunity over the full target pitch
  • Integrated solution includes a back-bias magnet and capacitor in a single overmolded package
  • ISO 26262:2011 ASIL B with integrated diagnostics and certified safety design process (pending assessment)
  • Two-wire current source output pulse-width protocol supporting speed, direction, and ASIL error reporting
  • EEPROM enables factory traceability

The ATS19520 is provided in a 3-pin SIP package (suffix SN) that is lead (Pb) free, with tin leadframe plating.

SN Package Documentation

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Part Number Specifications and Availability

Documentation and Resources

Documentation

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Transmission Gear Tooth Sensing
Application Note
Giant Magnetoresistance versus Hall-effect: A Comparison of Technologies for Speed Sensor Applications
Application Note
Target Design for Hall Transmission Sensors
Application Note
Fundamental Properties of Speed Sensors
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Documents Found: 32
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