33395 Evaluation Motor Board
DRM33395 Designer Reference Manual
Schematics and Parts List
27
Schematics and Parts List
Schematics
Figure 4-1a SMOS EVM Motor
Board ver. 140A02 Overview
5
4
3
2
1
U
N
I-
2
4
D
C
B
_
N
eg
U
N
I-
2
1
U
N
I-
3
5
U
N
I-
9
U
N
I-
2
9
U
N
I-
3
6
U
N
I-
1
1
U
N
I-
1
U
N
I-
2
2
U
N
I-
2
3
U
N
I-
7
U
N
I-
1
9
U
N
I-
2
5
U
N
I-
3
0
U
N
I-
3
4
U
N
I-
3
U
N
I-
5
U
N
I-
3
8
U
N
I-
3
1
D
C
B
_
P
os
D
C
B
_
P
o
s_
IN
U
N
I-
3
9
U
N
I-
4
0
PW
M_
H
PW
M_
H
PW
M_
ctr
l
G
N
D
G
N
D
G
N
D
G
N
D
+
5V
_D
+
5V
_D
+
3.
3V
_A
+
5V
_D
+
5V
_D
G
N
D
G
N
D
+
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_D
G
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D
+
3.
3V
_A
G
N
D
+
3.
3V
_A
G
N
D
A
G
N
D
A
G
N
D
G
N
D
G
N
D
A
G
N
D
A
G
N
D
A
G
N
D
G
N
D
A
+
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_D
G
N
D
+
3.
3V
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G
N
D
A
G
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N
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N
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A
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_D
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3V
_A
G
N
D
A
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N
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A
G
N
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A
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N
D
G
N
D
G
N
D
A
G
N
D
A
D
C
B
_
N
eg
D
C
B
_
N
eg
D
C
B
_
N
eg
PWM_CB
Shielding_A
PWM_BB
PWM_BT
PWM_AB
Brake_control
Zero_cross_C
BEMF_sense_A
Identification
I_sense_A
V_sense_DCB
Shielding_A
D
riv
er
M
od
e
C
on
tr
ol
J
um
pe
rs
I_reconst_DCB
PWM_CT
Shielding_D
PWM_ctrl
PWM_AT
BEMF_sense_C
I_sense_B
Shielding_D
I_sense_C
+12V_A
Shielding_D
Shielding_D
Shielding_D
Zero_cross_B
Zero_cross_A
BEMF_sense_B
MODE0
MODE1
Ph B Uni-24
Ph A Uni-23
Ph C Uni-25
PWM
J2
A
M
P
6
40
38
7-
3
1
2
3
3
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.
H
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dr
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ha
se
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LS
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B
H
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E
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T
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B
D
C
B
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os
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V
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2
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1
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1
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2
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C
2
PW
M_
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MO
DE
0
MO
DE
1
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ro
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ns
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3.
3V
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G
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D
A
C
7
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JP
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18
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C
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74
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C
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D
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5
3.
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J1
C
O
N
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0
1
2
3
4
5
6
7
8
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
G
N
D
A
J7
F
A
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tif
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2
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C
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C
33
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T
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V
in
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ou
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5
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d
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3
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M
C
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C
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F
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C
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J3
P
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C
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t p
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I_
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ns
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3V
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se
ns
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2
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se
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se
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se
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se
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ro
_r
ef
JP
2
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U
M
P
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R
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3
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2
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JP
5
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R
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R
4
1.
5k
J4
C
O
N
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re
w
s
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2
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F
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D
4
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M
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40
01
C
11
10
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C
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u
F
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0V
