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IC1602 MPC17A51/ZVMEL (MAIN BOARD)
VLG
VO
1
DGND
2
3
CLK
OE
4
5
VCC
VIN12
VIN12
6
OUT 1 A
7
PGND1
8
OUT 1 B
9
OUT 2 B
10
PGND2
11
OUT 2 A
12
VIN12
13
CF2
14
ERR2
15
ERR1
16
CF1
17
18
VC
LOW VOLTAGE
DETECTOR
VG
VCG
SAW
GEN
VLG
ERR 1
C11
VR
OE
SAWTOOTH
PSB
OUT 1 A
OUT 1 B
VLG
ERR 2
OUT 2 B
VR
OE
PSB
SAWTOOTH
OUT 2 A
C 12
VLG
VR
OE
SAWTOOTH
PSB
VLG
VR
OE
SAWTOOTH
PSB
CHAGE
PUMP
VG
VIN12
MOTOR DRIVER
CH 1
VG
VIN12
MOTOR DRIVER
CH 2
VG
VIN34
OUT 3 A
OUT 3 B
MOTOR DRIVER
ERR 3
CH 3
C 13
VG
VIN34
OUT 4 B
C14
MOTOR DRIVER
CH 4
ERR 4
OUT 4 A
D-VM1
36
C2H
35
C1H
34
C1L
33
C2L
VCG
32
VIN34
31
VIN34
30
OUT 3 A
29
PGND3
28
OUT 3 B
OUT 4 B
27
26
PGND4
25
OUT 4 A
VIN34
24
23
CF4
22
ERR4
21
ERR3
CF3
20
19
AGND
57
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