Quality Standards and Environmental Certifications
×
This is a pre-release product, engineering samples coming soon.

40V Three-Phase Sensorless BLDC Fan Driver IC

A89347

20-Pin eTSSOP with exposed thermal pad LP Package

The A89347 is a three-phase, sensorless fan driver IC ideal for whisper-quiet operation in automotive applications such as seat cooling fans, HVAC blowers, and other thermal management systems. The device includes closed-loop speed control with sinusoidal drive to minimize vibration and noise, and  integrates EEPROM customization to enable optimized performance and efficiency.

* Note: If you have issues logging into this feature you may need to enable 3rd party cookies in your browser settings A89347 ECAD Model Type Image
Request Datasheet & Samples
Navigate

Description

Top Features

Typical Applications

Packaging

The A89347 is your solution for silent, efficient, and customizable fan control. This integrated circuit (IC) drives three-phase, sensorless fans, eliminating the need for bulky and costly Hall effect sensors. Its sinusoidal drive technology minimizes vibration and audible noise, making it perfect for noise-sensitive applications.

Experience sinusoidal modulation and closed-loop spped control with smooth, virtually silent fan operation.  Integrated EEPROM allows tailoring of the fan speed curve to your exact needs, and built-in protection features safeguard against overcurrent, overvoltage, and lock conditions. The A89347 is AEC-Q100 qualified for demanding automotive applications, like seat cooling fans and automotive pumps. 

 
  • Sinusoidal modulation for reduced audible noise and low vibration
  • Sensorless (no Hall sensors required) 
  • Speed curve configuration via EEPROM
  • PWM or analog speed input
  • Low RDS(ON) power MOSFETs
  • AEC-Q100 qualified
 

20-lead TSSOP with exposed thermal pad (LP)

LP Packaging Documentation

× not found