
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
GND
8
QH'
9
SRCLR
10
SRCLK
11
RCLK
12
OE
13
SER
14
QA
15
VCC
16
U1
SN74HC595DR
COM
10
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
8B
8
GND
9
8C
11
7C
12
6C
13
5C
14
4C
15
3C
16
2C
17
1C
18
U3
ULN2803ADW
GPIO !
31
GPIO !
32
GPIO !
33
GPIO !
34
Timer_Cap/ GPIO !
35
Timer_Cap/ GPIO !
36
PWM/ GPIO !
37
PWM/ GPIO !
38
PWM/ GPIO !
39
PWM/ GPIO !
40
GPIO !
11
SPI_CS/ GPIO !
12
SPI_CS/ GPIO !
13
SPI_ MISO
14
SPI_ MOSI
15
RST
16
GPIO
17
GPIO !
18
PWM/ GPIO !
19
GND
20
J2/J4
SSQ-110-03-T-D
+3.3V
1
Analog_In
2
LP_ UART_RX
3
LP_ UART_TX
4
GPIO !
5
Analog In
6
SPI_CLK
7
GPIO !
8
I2C_SCL
9
I2C_SDA
10
+5V
21
GND
22
Analog_In
23
Analog_In
24
Analog_In
25
Analog_In
26
Analog_In/I2S_WS
27
Analog_In/I2S_ SCLK
28
Analog_Out/I2S_ SDout
29
Analog_Out/I2S_ SDin
30
J1/J3
SSQ-110-03-T-D
VCC
AGND
Green
1
2
D1
Green
1
2
D2
Green
1
2
D3
Green
1
2
D4
GP8
GP13
GP12
GP11
GP10
GP11
GP12
GP13
DGND
VCC
AGND
AGND
VCC
3
5,6,8
4,7
1,2,
Q1
CSD17571Q2
DGND
3V3
0.1
µ
F
C3
IN1
0
R14
DGND
TP1
TP2
TP3
TP4
GP2
GP10
GP9
GP6
GP9
GP8
GP6
GP2
SRCLK
IN3
RCLK
IN2
SER
IN1
SER
SRCLK
RCLK
5
4
1
2
3
6
7
8
J0
5
4
1
2
3
J6
0.1
µ
F
C2
IN4
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
IN1
IN2
IN3
IN4
IN6
IN5
IN7
IN8
3V3
DGND
OE
OE
DGND
3V3
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
GND
8
COM
9
7C
10
6C
11
5C
12
4C
13
3C
14
2C
15
1C
16
U2
ULN2003ADR
5
4
1
2
3
6
7
8
9
10
J5
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
AGND
COM
M2_CH8
M2_CH7
M2_CH6
M2_CH5
M1_CH4
M1_CH3
M1_CH2
M1_CH1
1
2
3
4
5
6
J7
1
2
3
4
5
6
J8
M1_CH1
M1_CH2
M1_CH3
M1_CH4
M2_CH5
M2_CH6
M2_CH7
M2_CH8
COM
AGND
VCC
3
1
2
6
4
5
S2
3
1
2
6
4
5
S1
0
R5
DGND
DGND
DGND
3V3
0
R15
GP10
GP9
GP8
GP6
GP2
COM
1
µ
F
C1
3V3
D7
DB2W 40200L
D6
DB2W 40200L
VIN
1
2
J9
12V
D5
5V
5V
D8
DB2W 40200L
1.0k
R1
1.0k
R7
1.0k
R3
1.0k
R4
560
R11
560
R12
560
R13
560
R8
560
R6
560
R2
560
R9
560
R10
Copyright © 2016, Texas Instruments Incorporated
X
DNP
X
DNP
X
DNP
X
DNP
X
DNP
X
DNP
X
DNP
X
DNP
www.ti.com
Additional Information
21
SLCU002 – September 2016
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
BOOSTXL-ULN2003 Dual Stepper Motor Driver BoosterPack Hardware
5.4
Schematic
Figure 26. BOOSTXL-ULN2003 Schematic (Zoom for Higher Resolution)
NOTE:
DNP
is an abbreviation for do not populate. Components highlighted as
DNP
in the schematic are not populated out of the box.