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AH375 - SINGLE PHASE HALL EFFECT LATCH

Description

AH375 is an integrated Hall-Effect latched sensor designed for electronic commutation of brush-less DC motor applications.

Features

  • Bipolar Hall-Effect latch sensor.
  • 2.2V to 20V DC Operating voltage.
  • Temperature compensation.
  • Open drain pre-driver.
  • 25mA maximum output sink current.
  • Operating temperature: -40°C to +125°C.
  • SIP-3L and SC59 packages (SC59 is commonly known as SOT23 in Asia).
  • Green Molding Compound (No Br, Sb) (Note 1).

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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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AH375 SINGLE PHASE HALL EFFECT LATCH Description Pin Assignments AH375 is an integrated Hall-Effect latched 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 drain output. An internal band-gap 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 (OUT pin is pulled low). The output state is held on until a magnetic flux density reversal falls below Brp.
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