Copyright

© ANPEC Electronics Corp.

Rev. A.4 - Apr., 2018

www.anpec.com.tw

13

APX9322

Lead Angle Control

The APX9322 built in automatic lead angle controlled by the duty variation of PWM. The maximum lead angle can be

The lead angle control range is 0

o

to the maximum value set by LA input for PWM duty 0% to 100%.

4V

Lead Angle

58°

1V

0V

0

°

100%

Lead Angle

58

°

Duty

29°

=2.5V

=0~1V

0%

0

°

Figure4: Lead Angle Control

Function Descriptions (Cont.)

SEL Control

The APX9322 also support FG, 1/2FG, 1/3FG or RD Output.

SEL Pin Input Voltage

SO Output

Modulation pattern

0V ~ 1.6V

FG

shift pattern

1.6V ~ 2.2V

RD

shift pattern

2.2V ~ 2.8V

1/2FG

shift pattern

2.8V ~ 3.4V

1/3FG

shift pattern

3.4V ~ 5V

FG

original pattern

Table 1: SEL Pin Definition

Modulation original pattern

Modulation shift pattern