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A4941

Allegro Micro Systems
Part Number A4941
Manufacturer Allegro Micro Systems
Title Three-Phase Sensorless Fan Driver
Description The A4941 three-phase motor driver incorporates BEMF sensing to eliminate the requirement for Hall s...
Features and Benefits • Sensorless (no Hall sensors required) • Soft switching for reduced audible noise • Minimal external compo...
Published Sep 29, 2014
Datasheet PDF File A4941 PDF File


A4941
A4941


Features
and Benefits
• 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 ...



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