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Internal Block Diagram
31
PO2
30
GND
29
PS
VC
PWM
PI2
32
Control
VC
PWM
PI1
33
Control
OE
63
ROE
D0
1
Slep-Up/Down
D1
72
/Power SW
71
PWM
VB
4
VB
5
VB1
2
VB1
3
VB2
6
L2H
7
GND
8
DCC2
L2L
9
VO
10
VO
11
L1
12
GND
13
DCC1
GND
14
DCC1
L1
15
VC
REN
VREG CONT
65
VREG
64
RGDN
66
28
27
VC
3 Phese
VC
VG
Control
Pre driver
VC
VG
Pre driver
VC
VG
D0 or D1
BIAS
int STB
Control
Decoder
VG
Power SW
Pre driver
VG
Slep-Up/Down
Pre driver
VG
Slep-Up
Pre driver
VC
int STB
67
60
59
62
61
36
35
34
37
68
VC
VC
VC
VG
Pre driver
VC
int OE
VG
VC
VC
H-Bridge
Pre driver
Control
VC
VG
VC
H-Bridge
Pre driver
Control
VG
VC
VC
H-Bridge
Pre driver
Control
VC
VC
VG
H-Bridge
Pre driver
Control
— 64 —
70
VG
GDN
69
VD1
20
VD2
24
Hou
21
Hov
23
How
25
GND
26
3P2
GND
22
3P1
IN
19
WO
18
VO
17
UO
16
RI1
58
FI1
57
56
RI2
55
FI2
VM2
52
FO2
53
RO2
51
GND
50
H12
GND
54
H2
VM1
48
FO1
49
RO1
47
GND
46
H13
VM3
44
FO3
43
RO3
45
GND
42
H34
VM4
40
FO4
39
RO4
41
GND
38
H4
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