Schematic

STSPIN220 Stepper Motor Driver Carrier
©2019 Pololu Corporation
www.pololu.com
R
1
2
4
3
5
6
7
8
B1
A1
A2
B2
1
2
4
3
5
6
7
8
MODE1
MODE2
STEP
DIR
(1)
4.7 uF
C1
VMOT
0.1 uF
C2
VMOT VMOT
91k
R2
VCC
VREF
NP
R4
NP
R3
VCC
0.1 uF
C3
VREF
0.2
R9
0.2
R10
10k
R8
VCC
nEN
nSTBY/nRESET
(2)
(1)
SMTJUMPER
EN/nFAULT
EN/nFAULT
47k
R5
nEN
VCC
SNSB
SNSA
TOFF
nSTBY/nRESET
20k
R6
VCC
clockwise
R1
10k
(2)
SMTJUMPER
(1)
SMTJUMPER
(2)
SMTJUMPER
DIR/MODE4
1
SENSEB
9
REF
11
SENSEA
4
MODE2
15
MODE1
16
OUTB1
10
VS
6
OUTB2
8
STEP/MODE3
2
TOFF
12
EN/FAULT
13
STBY/RESET
14
GND
7
OUTA2
5
OUTA1
3
PAD
17
U1
STSPIN220
B1
B2
A2
A1
1k
R7
22 nF
C4
PIC101
PIC102
COC1
PIC201
PIC202
COC2
PIC301
PIC302
COC3
PIC401
PIC402
COC4
PIJ101 PIJ102
COJ1
PIJ201 PIJ202
COJ2
PIJ301 PIJ302
COJ3
PIJ401 PIJ402
COJ4
PIJP101
PIJP102
PIJP103
PIJP104
PIJP105
PIJP106
PIJP107
PIJP108
COJP1
PIJP201
PIJP202
PIJP203
PIJP204
PIJP205
PIJP206
PIJP207
PIJP208
COJP2
PIQ101
PIQ102
PIQ103
COQ1
PIR101
PIR102
PIR103
COR1
PIR201
PIR202
COR2
PIR301
PIR302
COR3
PIR401
PIR402
COR4
PIR501
PIR502
COR5
PIR601
PIR602
COR6
PIR701
PIR702
COR7
PIR801
PIR802
COR8
PIR901
PIR902
COR9
PIR1001
PIR1002
COR10
PIU101
PIU102
PIU103
PIU104
PIU105
PIU106
PIU107
PIU108
PIU109
PIU1010
PIU1011
PIU1012
PIU1013
PIU1014
PIU1015
PIU1016
PIU1017
COU1