AM-NX9
40
40
• IC Block Diagrams
IC301 TA2131FL (EL)
V REF
MT
SW
BST
SW
BEEP
19
20
21
22
23
24
18
17
16
15
14
13
PW
SW
12
11
10
8
7
BST1
9
BST2
6
5
4
3
2
1
BST
AGC
PW
B
PW
A
ADD
MT TC
VCC1
INB
INA
BEEP
OUTB
BEEP
OUTA
VCC2
OUTA
PWR
GND
OUTB
DET
A
GC IN
BST OUT
BST NF2
LPF2
BST NF1
LPF1
VREF
VREF IN
GND
BEEP IN
BST SW
MT SW
PW SW
IC601 XPC18A22AEPR2
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
54
55
56
1
53
2 3 4 5 6 7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
24
23
25
26
27
28
VB
BATM
CHGSW
RS
INP2
INM2
RF2
DCIN
CHGMON
SVREF
GAIN
CHG
DREG
GND
SW
RECON
OE
CLK
RI
FI
EFM
VIO
VC
VRECO1
LI 1
PGND1
PGND1
LI 2
VRECO2
VREC
DTC
INP1
INM1
RF1
DW TP
DW BT
CVREF
GND
VREF
VC2
C1L
C1H
VG2
C2L
C2H
VG3
HA
PGND3
HB
VG
VRECIN2
OUTB
PGND2
PGND2
OUTA
VRECIN1
OUTPUT SW
CONTROL
CONTROL
PWM
SYSTEM
OUTPUT SW
CHARGE
CONTROL
DC IN
DETECT
DC IN
BANDGAP
HI-BRIDGE
PRE DRIVER
EFM
PRE DRIVER
CHARGE
PUMP 2
CHARGE
PUMP 1
VREF
BUFFER
SET-UP DOWN
PRE DRIVER
LEVEL
SHIFT
VC AMP
CHARGE
MONITOR
X2/X4
BATTERY
CHARGER
&
REGULATOR
VC VG DC IN
DC IN
DC IN
DC IN
DC IN
VIO
VIO
VC
VC
VC
VC
VC2
VC2 VG
VC
VG
VG2
SW
VG2
VG3
VG3
VG2
VG
VG
VC
VG2
OUTPUT SW
1
IX
2
PS
3
EQ
4
A GND
5
OFC-C1
6
OFC-C2
7
VREF10
8
VC
9
RFO
10
VREF09
11
AVCC2
AVCC2
AVCC
AVCC2
12
PD-NI
13
PD-I
14
PD-O
D-C
A-C
AGND
SMON
ADIP-IN
AGND
AGND
WPP-LPF
ADFG
CON
CCSL2
CLK
CPGND
NC
56
55
54
53
52
51
50
49
48
PEAK/
BOTM
47
46
45
42 FE
41 ABCD
40 RFI
39 ASSY
37 EFMO
DGND
RESET
34 VGIN
33 SBUS
32 SCK
CPOUT
CP
DVCC
IY
JY
JX
AVCC
AVCC
C
B
A
D
PEAK
BOTM
TON-C
OFTRK
NPPO
TE
44
43
15
16
17
18
19
20
21
22
23
24
25
26
27
28
31
30
29
35
36
38 CIG
ABCD
T-ON
EFM
COMP.
SERIAL
I/F
POWER
SUPPLY
SIGNAL MONITOR
OFTRK
FE
TPP/WPP
RF
A+B+C+D
I+J
NPP
TON
CSL
AW+DW
TONE PEAK
TON BOTM
ADIP
TE
TWP-P
PK/BTM
AW
CSLO
VREF
A-C
D-C
OFTTH
PD-NI
ADIP-BPF
TEMP
ADIP
APC
TE
IC651 XC6367A331MR
VDD
ERROR AMP
PWM
COMPARATOR
VOUT
CE
GND
1
2
3
4
PWM/PFM
CONTROLER
RAMP WAVE
GENERATOR/
OSC
BUFFER/
DRIVER
PHASE
COMPENSATION
REFERENCE
VOLTAGE WITH
SOFT START/
CHIP ENABLE
+
–
+
–
EXT
5
IC501 SN761058AZQLR
Summary of Contents for AM-NX9
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