GC5958 Datasheet (GlobalChip) - Three-Phase Sine-wave Sensor-Less Fan Motor Driver

GC5958, Three-Phase Sine-wave Sensor-Less Fan Motor Driver

The GC5958 provides all the circuitry for sensor-less speed control of three-phase brushless DC motor.

The Sine-wave Driver Method will be better low-noise.

The controller functions include start-up circuit, back-EMF commutation control, Pulse Width Modulation (PWM) speed control, lock protection,

GC5958 Features

* PWM Quasi-Sinusoidal Driver

* Three-Phase Sensor-Less Drive Method

* Adjustable Forced Commutation Frequency (for Start-up)

* Built-In External PWM Speed Control

* Built-In Quick Start Function

* FG (Rotation Speed Detection) Output

* Soft Switching Circuit (for Noise