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AH5792 - SINGLE PHASE HALL EFFECT LATCH SMART FAN MOTOR CONTROLLER

General Description

The AH5792 is a single chip solution for driving single-coil brush-less DC fans and motors.

The AH5792 employs a bidirectional full bridge driver output stage for single coil fan motor applications.

Key Features

  • such as Rotor Lock Protection with rotor lock detection and automatic self-restart to avoid damage to the coil when the rotor is blocked. The AH5792 also offers an externally controlled Tachometer (Frequency Generator Pin) open-drain output which makes it easier to connect with external interface such as hardware monitoring. The FG is half (1/2) the magnetic change frequency. Pin Assignments ( Top View ) O2 1 5 FG VSS 2 NC O1 3 SOT553 4 Vdd The devices are packaged in SOT553 and SOT89-.

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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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NOT RECOMMENDED FOR NEW DESIGN USE AH9485/AH9486 AH5792 SINGLE PHASE HALL EFFECT LATXCHXXSXMXART FAN MOTOR CONTROLLER Description The AH5792 is a single chip solution for driving single-coil brush-less DC fans and motors. The AH5792 employs a bidirectional full bridge driver output stage for single coil fan motor applications. The device includes features such as Rotor Lock Protection with rotor lock detection and automatic self-restart to avoid damage to the coil when the rotor is blocked. The AH5792 also offers an externally controlled Tachometer (Frequency Generator Pin) open-drain output which makes it easier to connect with external interface such as hardware monitoring. The FG is half (1/2) the magnetic change frequency.