General Description
   BD67173NUX is a three-phase sensorless fan motor driver used to cool off notebook PCs. It is controlled by a variable speed provided through the PWM input signal. Its feature is sensorless drive which doesn’t require a hall device as a location detection sensor and motor downsizing can be achieved by limiting the number of external components as much as possible.

FEATUREs
◾ Speed controllable by PWM input signal
◾ Sensorless drive
◾ Soft switched drive Quick start
◾ Power save function
◾ Internal RNF resistance
◾ Quick start function

APPLICATIONs
◾ Small fan motor for notebook PCs etc.