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IC105 TC4W53FU
VCC
CH1
CH0
ADR
8
7
6
5
1
2
3
4
COM
INH
VEE
VSS
IC107 LA6527N
34 33
VCC
VCC2
1
MTR+ 2
3
GND
GND
4
5
MTR–
BUFFER
VC
6
VC
DV AMP
7
8
9
44
32
31
30 29
28
27
EDGE
DET
COMP
COMP
VC
VC
ER AMP
VL AMP
10
11 12 13
14
IC106 BA6849FP-E2
A3
2
DRIVER
A2
4
A1
7
CONTROL
GND
8
TL
HALL AMP
H
+
9
1
H
10
1–
H
+
11
2
H
12
2–
H
+
13
3
H
14
3–
26
25
24
MPU
I/F
VC
BUFFER
23
22
VARIABLE
VOLTAGE
REF.
21
AND
+
2 TO 4 DECODER
20
19
18
15
16
17
TSD
GAIN
SENSE AMP
TORQUE
SENSE AMP
V
CC
D R
Q
SHORT BRAKE
CK
/Q
HALL BIAS
VH+
VH–
GND
GND
VL–
TKC
28
R
NF
V
27
M1
26
V
M2
25
V
CURRENT
CC
24
FG
PS
23
PS
22
E
C
21
E
CR
20
FR
18
SB
C
17
NF
15
V
H
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