45
MZ-S1
IC551 SC111258FCR2
VC VG
VC
43
48
47
44
45
46
49
50
51
52
53
54
55
56
1 2 3 4 5
42 41 39 373840
6
35 34 3336 31 30 2932
8 9 107 12 13
14
15
11
26
27
28
24
23
22
21
20
25
17
16
18
19
UI2
OE
CPWO2
PWM2
CPUO2
CPVO2
GND1
VC
VG
CPWO1
CPVO1
CPUO1
PWM1
UI1
VI1
WI1
PGNDW1
WO1
VMVW1
VO1
UO1
VMU1
VMR1
PGNDUV1
PGND1
FO1
VMF1
RO1
FI1
COM2
RI2
FI2
CPVI2
CPWI2
NC
GND2
CPWI1
CPUI2
COM1
RI1
CPUI1
CPVI1
VI2
WI2
WO2
VO2
VMVW2
PGNDW2
UO2
VMU2
VMR2
PGNDUV
2
PGND2
FO2
VMF2
RO2
3PHASE
CONTROL
CH1
3PHASE
PRE DRIVER
CH1
H-BRIDGE
PRE DRIVER
CH1
H-BRIDGE
CONTROL
CH1
+
–
+
V
W
–
U
+
–
3PHASE
CONTROL
CH2
3PHASE
PRE DRIVER
CH2
H-BRIDGE
PRE DRIVER
CH2
H-BRIDGE
CONTROL
CH2
+
–
+
V
U
–
W
+
–
BIAS
VC LOW
VOLTAGE
DETECTOR
VG
VG
VC
VC
VG
VC
VG
VC
VC
VG
VC
VG
VC
VC
VC