Datasheet

Motor Control Starter Kit User’s Guide
DS75015A-page 28 © 2011 Microchip Technology Inc.
FIGURE A-7: MOTOR CONTROL LOGIC
PWM1L3
R71
4.7k
PWM1H3
PWM1L2
R59
4.7k
R57
4.7k
PWM1L1
PWM1H1
C35
0.1uF
R68
50m
1K
R66
0R
R62
100K
R72
C37
33pF
R63
4.7k
R73
4.7k
PWM1H2
R56
4.7k
C28
0.1uF
C25
0.1uF
100K
R64
1K
R70
0.1uF
C32
0.1uF
C36
4 5
U10:B
TC4428A
C34
1uF
+12V +12V
6
3
2 7
TC4428A
U8:A
+12V +12V
6
3
2 7
TC4428A
U7:A
+12V
+12V
C33
56pF
1K
R65
0R
R61
1R
R58
GND4
MOTOR_CURRENT1
1K
R67
0.1uF
C29
0.1uF
C26
SI4532DY
Q6:B
SI4532DY
Q6:A
4 5
U8:B
TC4428A
6
3
2 7
TC4428A
U10:A
C27
1uF
SI4532DY
Q4:A
SI4532DY
Q5:B
4 5
U7:B
TC4428A
C24
1uF
1K
R69
3
+
4
-
1
2
VSS
5
VDD
U9
MCP6021
0.1uF
C30R60
DNP
0.1uF
C31
SI4532DY
Q4:B
SI4532DY
Q5:A