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 sensors in fan applications. A pulse wave modul... |
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 ... |
Datasheet | A4941 Datasheet |