APX9322 Datasheet, PDF (9/20 Pages) Anpec Electronics Coropration – Three-Phase Full-wave Sine-wave Brushless Motor Driver

APX9322
Function Descriptions
Open Loop Rpm-Curve Control
The APX9322 has four input pin SP1, SP2, VSD and MIN to control output duty of driver for the rotation speed of
motor.
Open Loop
MIN Pin Setting
SP2 Pin Setting
SP1 Pin Setting
VSD Pin Setting
100%
PWM Duty(%)
Figure1: Voltage Mode Output Duty Control
PWM and SET Control
The APX9322 also support direct PWM input signal and SET input voltage speed control. When the MIN pin pulled
up to V_5VREG, the PWM and SET input pin to control the output duty directly.
Output Duty
100%
75%
50%
25%
0%
0%
PWM Duty
100 %
75%
50%
PWM Duty
100%
25%
0%
0V 1V
SET
4V
V5VREG
Figure2: Direct PWM Mode and SET Mode Output Duty Control
Copyright © ANPEC Electronics Corp.
9
Rev. A.1 - Feb., 2016
www.anpec.com.tw