A5944: Three Phase Sensorless Fan Driver


The A5944 three phase motor driver IC incorporates sinusoidal drive to minimize audible noise and vibration for low voltage fans.

Top Features

  • 180° sinusoidal drive - low audible noise and vibration
  • Motor position using Allegro's sensorless algorithm - eliminates external Hall sensors

Part Number Specifications and Availability

Part Number Package Type Temperature RoHS
Part Composition /
RoHS Data
Comments Samples Check Stock
A5944GEETR-T 10-lead DFN -40°C to 105°C -- View Data Contact your
local sales rep
Distributor Stock

Allegro’s products are not to be used in any devices or systems, including but not limited to life support devices or systems, in which a failure of Allegro’s product can reasonably be expected to cause bodily harm.

EJ TDFN with exposed pad 10 contact


 10-Pin DFN with Exposed Thermal Pad (suffix EJ)