1
2
3
4
5
6
7
8
1、Input Voltage(VIN) Range Up to 40V
2、Ensured 3A Output Load Current
D1
SS54
VIN
D2
SS54
C6
470uF/35V
1
U1
VIN
FBACK
F
F
O
N
O
/
OUT
D
N
G
4
2
5
3
LM2596
Power
2
1
F1
Fuse Thermal
L1
33uH
C8
104
C7
100uF/16V
D3
SS54
5V
R5
1k
GND
LED
FS2
1
VIN
C10
47uF/25V
104/50V
C11
GND
FS1
1
VIN
C13
47uF/25V
104/50V
C14
GND
5V
R6
1k
5V
R7
1k
GND
FS2
IN3
1
2
3
4
5
6
7
8
9
10
U2
AGND
FS
IN1
V+
V+
OUT1
OUT1
DNC
PGND
PGND
DNC
IN2
D1
Ccp
V+
OUT2
OUT2
D2
PGND
PGND
MC33886
GND
FS1
IN1
1
2
3
4
5
6
7
8
9
10
U3
AGND
FS
IN1
V+
V+
OUT1
OUT1
DNC
PGND
PGND
DNC
IN2
D1
Ccp
V+
OUT2
OUT2
D2
PGND
PGND
MC33886
20
19
18
17
16
15
14
13
12
11
20
19
18
17
16
15
14
13
12
11
IN4
GND
VIN
PWMB
GND
IN2
GND
VIN
PWMA
GND
C9
33nF/50V
GND
C12
33nF/50V
GND
VIN
D4
SS54
D5
SS54
D6
SS54
D7
SS54
D8
SS54
D9
SS54
D10
SS54
D11
SS54
GND
M4
M3
M2
M1
MotoB
2
1
MotoA
2
1
switch
4
5
6
1
2
3
C1
C2
10UF
104
wPi
15
16
1
4
5
6
10
11
31
26
27
28
29
BCM
14
15
18
23
24
25
8
7
1
12
16
20
21
5V
OFF
ON
5V
GND
TX
RX
P1
GND
P4
P5
GND
P6
CE0
CE1
ID_SC
GND
P26
GND
P27
P28
P29
3.3V
SDA
SCL
P7
GND
P0
P2
P3
3.3V
MOSI
MISO
SCK
GND
ID_SD
P21
P22
P23
P24
P25
GND
2
1
4
3
6
5
8
7
9
10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
RPI
2
BCM
2
3
4
17
27
22
10
9
11
0
5
6
13
19
26
wPi
8
9
7
0
2
3
12
13
14
30
21
22
23
24
25
GND
GND
C3
104
GND
GND
5V
GND
IN3
IN4
PWMB
IN1
IN2
PWMA
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
VCA
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
GND
VCB
VCB
OE
B1
B2
B3
B4
B5
B6
B7
B8
GND
74LVC8T245
3.3V
GND
P22
P23
P26
P28
P29
P25
C5
104
M3
M4
PWMB
M1
M2
PWMA
GND
3.3V
R2
100
C4
R4
1k
P1
VCC
GND
OUT
1
2
3
IRM
104
GND
Level Translator
Infrared
3
4
5
6
7
aveshareW
8
POWER
A
B
C
Motor
D
RPi
1
A
B
C
D