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Orientation-Independent Wheel Speed Sensor IC with AK Protocol and Diagnostics

ATS604

The ATS604 simplifies wheel speed sensing with its orientation-independent design, AK protocol output, and integrated diagnostics. Its flexible installation and robust performance make it ideal for automotive applications.

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Top Features

Typical Applications

Packaging

  • Orientation independence allows installation at any angle
  • Optimized auto-calibration maximizes startup performance
  • AK Protocol output reports speed, direction, air gap, and temperature information
  • Measures down to zero speed
  • ISO 26262 ASIL B(D) with integrated diagnostics and certified safety design process
  • Heavy truck wheel sensing
  • Supports autonomous ADAS features 
  • Variable-reluctance sensor replacement

The ATS604 is provided in a 3-pin SIP package (suffix SN) that is lead (Pb) free, with tin leadframe plating. The SN package includes an IC, magnet, and capacitor integrated into a single overmold, with an additional molded lead-stabilizing bar for robust shipping and ease of assembly.

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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
Fundamental Properties of Speed Sensors
Application Note
Understanding Input Signal Variation in Sensor ICs with SolidSpeed Digital Architecture
Application Note
Wheel Speed Sensors Operating in Harsh Environments