A89347 Three-Phase Sensorless BLDC Fan Driver ICs

Allegro MicroSystems A89347 Three-Phase Sensorless BLDC Fan Driver ICs are three-phase, sensorless fan driver ICs for whisper-quiet operation in automotive applications, such as seat cooling fans, heating, ventilation, and air-conditioning (HVAC) blowers, and other thermal management systems. The Allegro A89347 includes closed-loop speed control with a sinusoidal drive to minimize vibration and noise. These fan driver ICs also integrate EEPROM customization to enable optimized performance and efficiency.