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APX9358
Preliminary
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Three-Phase Sine-wave Sensor-Less Fan Motor Driver
Features
General Description
• Three-Phase class sin wave driver method
The APX9358 provides all the circuitry for sensor-less
• Three-Phase Full-Wave Sensor-Less Drive Method speed control of three-phase brushless DC motor. The
• Adjustable Forced Commutation Frequency
Sine-wave Driver Method will be better low-noise. The
(for Start-up)
controller functions include start-up circuit, back-EMF com-
• Built-In External PWM Speed Control
mutation control, Pulse Width Modulation (PWM) speed
• Built-In Quick Start Function
control, lock protection, and thermal shutdown circuit.