DF339

3-Phase Brushless DC Motor Controller

©Copyright 2017, PADAUK Technology Co., Ltd.

Page 9 of 11

PDK-DS-DF339-EN-V000 – Jun. 28, 2017

5.4. Position Detector

This module is used to detect the feedback hall signals of motor (HALL_A, HALL_B, and HALL_C) and send to

motor sequence control module, the sequence control module will decide the next sequence phase to drive the

motor.

5.5. Interface

This module is used to detect the user interface, including PWM input and FG output.

6. Application Diagram

ISENSE_IN

HALL_A/B/C

Motor

Driver

FG/RD

PWM_IN

BLDC

DF339

PWM

6

3

3

Hall Signal

Current