APX9322 Datasheet, PDF (10/20 Pages) Anpec Electronics Coropration – Three-Phase Full-wave Sine-wave Brushless Motor Driver

APX9322
Function Descriptions (Cont.)
SP1,SP2 And VSD Control
When the MIN pin pulled up to V_5VREG, the SP1, SP2 and VSD input pin to control the input duty directly.
PWM Duty
PWM Duty
100 %
100%
75%
75%
50%
50%
Shutdown disable
25%
0%
0V 1V
SP1
4V
V5VREG ^SP2
25%
0%
0V 1V
VSD
4V 4.9V _V5VREG
Figure3: SP1, SP2 and VSD Control
Lead Angle Control
The APX9322 built in automatic lead angle controlled by the duty variation of PWM. The maximum lead angle can be
adjusted
The lead
between 0^o to
angle control
58^o in
range
32 separate steps according to
is 0^o to the maximum value set
the input voltage of LA pin, which
by LA input for PWM duty 0% to
works
100%.
with
0V
to
V_5VREG.
Lead Angle
58^°
Lead Angle
58°
V_LA=4V~V_5VREG
0°
0V 1V
29°
V_LA
4V V_5VREG
0°
0%
Figure4: Lead Angle Control
V_LA=2.5V
V_LA =0~1V
Duty
100%
Copyright © ANPEC Electronics Corp.
10
Rev. A.1 - Feb., 2016
www.anpec.com.tw