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ATS675LSE Datasheet Self-Calibrating TPOS Speed Sensor

Manufacturer: Allegro MicroSystems

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General Description

The ATS675 is a next generation member of the Allegro True Power‑On State (TPOS) sensor IC family, offering improved accuracy compared to prior generations, and performing at absolutely zero target speed.

An output polarity option allows customization for specific applications.

The device incorporates a single Hall-element IC with an optimized custom magnetic circuit that switches in response to magnetic signals.

Overview

ATS675LSE Self-Calibrating TPOS Speed Sensor IC Optimized for Automotive Cam Sensing.

Key Features

  • Optimized for automotive camshaft sensing.
  • True target state recognition at device power-on (TPOS) and at zero target speed.
  • Chopper stabilization reduces offset drift.
  • Digital output polarity option: follow or invert target profile.
  • Rapid calibration and transition to Running mode.
  • Automatic Gain Control (AGC) during calibration eliminates effects of air gap variations.
  • Tight timing accuracy over full operating temperature range.
  • Operation at supply volt.

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