General Description
The APX9172 is an integrated Hall Effect Sensor IC designed for electric commutation of single-phase DC brushless motor applications. The device is built-in lock protection. When fan is locked, the device will enter the lock protection mode. It is also with thermal shutdown function. The APX9172 is available in a low cost TSOT23-6F, TSOT23-6 and SOP-8F packages.

FEATUREs
● On-chip Hall Sensor
● High Sensitivity Hall Effect Sensor IC: ±15G(Typ.)
● Built-in Lock Protection and Auto Restart Function
● Speed Controllable by PWM Input Signal
● FG Output (for APX9172)
● 1/2FG Output (for APX9172A)
● RD Output (for APX9172B)
● Built-in Thermal Protection Circuit
● 6 Pin TSOT23-6F, TSOT23-6 and SOP-8F Packages
● Lead Free and Green Devices Available (RoHS
   Compliant)

APPLICATIONs
● Brushless DC Fans
● Brushless DC Motors