Texas Instruments DRV8818EVM, Руководство пользователя, Страница: 9 / 21

GND
GND
GND
VM
RESETn
S
Rn
S
T
E
P
A
O
U
T
2
E
N
A
B
L
E
n
S
L
E
E
P
n
H
O
M
E
D
IR
A
O
U
T
1
.2
2
u
F
C
9
GND
BOUT2
B
OUT1
U
SM0
U
SM1
0
.1
R2
0
.1
R1
GND
0.1uF
C
6
0
.1
u
F
C
1
0
0
.1
u
F
C
3
.22uF
C7
.2
2
u
F
C
8
VM
VM
0
.1
u
F
C
5
100uF
C4
0
.1
u
F
C
1
VM
ISEN
A
R
C
A
R
C
B
V
R
EF
D
EC
A
Y
V
C
P
V
GD
5K
R
4
GND
JP
1
V
R
E
F
_
S
E
L
E
C
T
GVREF
V
REF
1
000
p
f
C
1
1
4
7
K
R5
GND
1000
p
f
C
1
3
4
7
K
R7
GND
RCA
R
CB
1
T
P
9
B
O
U
T
1
ISENB
1
T
P1
0
U
S
M1
1
T
P1
1
U
S
M
0
1
T
P1
2
IS
E
N
B
1
TP13 S
R
n
1
T
P1
4
R
E
S
E
T
n
1
T
P
15
B
O
U
T
2
1
TP16 S
T
E
P
1
T
P1
7
V
C
P
1
T
P1
8
C
P
2
1
TP1
9
C
P
1
1
TP2
0
A
O
U
T
2
1
TP2
1
E
N
ABL
E
n
1
TP22
S
L
E
E
P
n
1
TP2
3
G
N
D
1
T
P1
ISEN
A
1
T
P2
H
O
M
E
1
T
P3
D
IR
1
T
P4
A
O
U
T
1
1
T
P5
1
T
P6
R
C
A
1
T
P7
V
R
EF
1
T
P8
R
C
B
HOME
DIR
AOU T1
BOUT1
USM0
USM1
RCA
RCB
VREF
ISENA
ISENB
RESETn
SRn
STEP
AOU T2
ENABLEn
SLEEPn
BOUT2
VCP
C
P
1
C
P
2
CP1
CP2
DECAY
GND
1
T
P2
4
V
M
1
TP2
5
V
D
D
VM
VM
ISENA
1
HOME
2
DIR
3
AOUT1
4
DECA
Y
5
RCA
6
GND
7
VREF
8
RCB
9
VCC
1
0
BOUT1
1
1
USM1
1
2
USM0
1
3
ISENB
1
4
VMB
1
5
SRn
1
6
RESETn
1
7
BOUT2
1
8
S
T
E
P
1
9
VGD
2
0
GND
2
1
VCP
2
2
CP1
2
3
CP2
2
4
AOUT2
2
5
ENABLEn
2
6
SLEEPn
2
7
VMA
2
8
TP
0
U1
D
R
V8818
1
000
p
f
C
1
2
D
2
M
BR
S
3
6
0
D
6
M
BR
S
3
6
0
D
3
M
BR
S
3
6
0
D
7
M
BR
S
3
6
0
D
4
M
BR
S
3
6
0
D
8
M
BR
S
3
6
0
D
5
M
BR
S
3
6
0
D9 M
BRS360
JP2
JP3
JP4
JP5
AO
U
T1
A
OU
T2
B
OUT1
B
OU
T
2
VM
VM
VM
VM
DR
V8818
1 2 3 4
J
3
0
.1
u
F
C
2
1
T
P2
7
G
N
D
GND
1
TP2
8
G
N
D
GND
1
TP2
6
G
N
D
GND
1
T
P
2
9
G
N
D
GND
5K
R
6
GND
1 2 3 4
J
2
AOU
T
1
A
O
U
T
2
OU
T1
B
B
OU
T2
D1
V
BB
2
.2
K
R
3
GND
VM
1 2
J1
V3P3 V3P3
V3P3
V3P3
V3P3
1
T
P3
0
V
G
D
VGD
JP
6
D
E
C
A
Y
_
S
E
L
E
C
T
GD
ECA
Y
D
EC
A
Y
R
V
8
8
1
8
EV
M
D
R
V
8
8
1
8
E
V
M
In
p
u
tV
o
lt
a
g
e
V
C
C
:5
V
In
p
u
tV
o
lt
a
g
e
V
D
D
:
3
.3
V
to 5
V
In
p
u
tV
o
lt
a
g
e
V
M
:
8
V
to 3
2
V
1 2 3 4 5 6 7 8 9
J
6
SR
n
R
E
S
ETn
U
S
M
0
U
S
M1
D
IR
H
O
ME
S
L
EEPn
E
N
ABL
En
S
T
E
P
6
AOUT1
A
O
UT
2
OU
T1
B
B
OU
T
2
D
C
A
Y
E
This section can be populated for asynchronous recirculation modes of operation.
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Schematic and Bill of Materials
4 Schematic and Bill of Materials
4.1 Schematics
Figure 1. Schematic 1 of 2
9 SLVU681 – February 2012 DRV8818EVM Evaluation Module
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