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

Description

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.

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 Reducing).
  • Power Saving Function (PWM Duty Input is 0%).
  • Built-In Lock Protection and Auto Restart Function.
  • Thermal Shutdown Circuit Chip.

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Datasheet preview – GC5958

Datasheet Details

Part number GC5958
Manufacturer GlobalChip
File Size 874.34 KB
Description Three-Phase Sine-wave Sensor-Less Fan Motor Driver
Datasheet download datasheet GC5958 Datasheet
Additional preview pages of the GC5958 datasheet.

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    Full PDF Text Transcription

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    GC5958 Three-Phase Sine-wave Sensor-Less Fan Motor Driver Chip description： 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, and thermal shutdown circuit. The GC5958 is suitable for both game machine and CPU cooler that need silent drivers. It is available in DFN3x3-10 package.
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