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ATS177 - SINGLE OUTPUT HALL EFFECT LATCH

General Description

ATS177 is an integrated Hall-Effect latch sensor designed for electronic commutation of brush-less DC motor applications.

Key Features

  • Bipolar Hall-Effect latch sensor.
  • 3.5V to 20V DC operating voltage.
  • Temperature compensation.
  • Open-collector pre-driver.
  • 25mA maximum output sink current.
  • Built-in reverse polarity protection.
  • Operating temperature: -40C to +125C.
  • SIP-3L package.
  • Green Molding Compound (No Br, Sb) (Note 1) Pin Assignments (Top View) SIP-3L.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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OBSOLETE – PART DISCONTINUED PART OBSOLETE - USE AH3774/AH3775 ATS177 SINGLE OUTPUT HALL EFFECT LATCH Description ATS177 is an integrated Hall-Effect latch sensor designed for electronic commutation of brush-less DC motor applications. The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, and a schmitt trigger to provide switching hysteresis for noise rejection, and open-collector output. An internal bandgap regulator provides a temperature compensated supply voltage for internal circuits and allows a wide operating supply range. When the magnetic flux density (B) is larger than operate point (Bop), output is switched on (DO pin is pulled low).