84
NX-200
SCHEMATIC DIAGRAM
1.5V
3.82V
3.82V
3.31V
3.82V
7.5V
4.99V
7.55V
3.284V
A
A
A
A
A
A
A
A
A
R437
470
L701
IC701
18
17
16
15
14
13
12
11
10
9
8
7
1
2
3
4
5
6
19
20
21
22
23
24
A0
P17
P16
P15
P14
P13
P12
P11
P10
GND
P07
P06
P00
P01
P02
P03
P04
P05
SCL
SDA
VCC
INT
A1
A2
A
100k
R717
L706
470
R730
1M
R723
R724 100k
R726 100k
0.1u
C701
R728
1M
R727
1M
R732
R731
1M
R729
1M
1M
OPT1
OPT2
OPT3
OPT4
OPT5
OPT6
OPT7
OPT8
OPT11
26P_TD
26P_RD
R719 100k
R718 100k
R721 100k
R720 100k
R722 100k
I2SDA
I2CCK
26P_TD
RXD2
4
26P_TD
1
OPT1
2
3
26P_RD
OPT3
9
DGND
5
6
NC
OPT4
7
8
OPT10
OPT5
11
10
AGND
AI
13
12
5V
AO
16
15
14
OPT9
AGND
DTI
17
18
OPT11
OPT8
21
RXEO
20
19
OPT7
OPT2
23
22
TXO
TXI
26
OPT6
24
25
RXEI
POW
CN710
OPT6
OPT7
OPT2
OPT8
OPT11
OPT5
OPT4
26P_TD
26P_RD
OPT3
OPT1
OPT6
TXI
RXEI
DTI
OPT9
CN709
A
OPT10
RXEO
TXO
AO
AI
C703
4.7u
F701
A
L702
10
R725
470p
C805
IC406
XC6204B332M
C411
1u
4
5
NC
VOUT
C468
0.1u
C414
A
3
2
1
CE
VSS
VIN
L704
R549
47k
1SS388F
D417
1u
LT1616ES6-PBF
GND
BooST
2
3
FB
1
SW
VIN
SHDN
6
5
4
IC407
HRB0502A
D406
22u
L401
D405
1SS388F
C415
10u
68k
33k
R425
0.01u
C418
470k
R431
4.7u
L402
C416
+
10u10
R424
C417
220p
C419
1
VIN
V
oUT
CE
3
2
NC
VSS
5
4
XC6204B502PR
IC708
1SS301F
D701
1u
C742
470k
R791
1u
C751
0
R432
SSM6N16FE-F
Q402
100k
R438
100k
R439
470k
R452
470k
R456
R435
R436
100k
100k
SSM6N16FE-F
Q401
A
470k
R451
470k
R454
MA2S1
1
1-F
D407
2SJ648-A
Q403
Q404
SSM3K15TE(F)
SB2
6800p
C421
470k
R450
150k
R445
560k
R444
10k
R448
470k
R449
BA
TT
R420
0
/OINT
10
IFADCN
IFADCN
15M
33A
5A
SB2
SBC
SBC
/BINT
/PSW
33M
SB1
SB1
+B
38M
PGND
PGND
DC/DC CONVERTER
D405,406,IC407
DC/DC CONVERTER (15M)
IC406
VOLTAGE REGULATOR (33A)
VOLTAGE REGULATOR (5A)
LEVEL CONVERTER
SB2 SW
SB2 SW CONTROL
VOLTAGE
OVER
PREVENTION
33M
15M
33A
5A
I/O CONTROL
5A SW
1000p
C470
L410
L409
1000p
C469
+B
0.25A
CONTROL
33A
VSS
CE/MODE
VOUT
4
3
VIN
5
LX
2
1
XC9235A15CM1
IC717
L718
C806
470p
4.7u
C808
4.7u
L719
10u
C809
VIN
NC
6
CE
IC404
XC6204B332D
VOUT
NC2
4
2
1
3
VSS
5
A
1u
C409
C412
1u
R548 47K
C467
0.1
33A CONTROL
D416
VOLTAGE REGULATOR (33M)
L41
1
A
D416
9
9
9
9
9
15
15
15
15
15
18
18
18
19
19
19
19
21
21
21
21
21
23
23
23
X53-426 9/10
AO
AP
AQ
AR
AS
CONTROL UNIT (X53-4260-XX)