Brushless DC Drivers

Three-Phase Sensorless Fan Driver

A4941

These parts are in production but have been determined to be NOT FOR NEW DESIGN.

This classification indicates that sale of this device is currently restricted to existing customer applications. The device should not be purchased for new design applications because obsolescence in the near future is probable. Samples are no longer available. Date of status change: September 3, 2018.

Product Details

Top Features

  • Sensorless (no Hall sensors required)
  • Soft switching for reduced audible noise
  • Minimal external components
  • PWM speed input
  • FG speed output
  • Low power standby mode
  • Lock detection
  • Optional overcurrent protection
  • Variant A automotive qualified to AEC-Q100 Grade 2

Part Number Specifications and Availability