15
15
D-NS707F
BLOCK DIAGRAM – POWER SECTION –
LINEAR
CONSTANT CURRENT,
CONSTANT VOLTAGE
CHARGING BATTERY
CHARGE CIRCUIT
CHARGING BATTERY
VOLTAGE DETECTOR
CIRCUIT
PRE-DRIVER
Q408
B+
SWITCH
SWITCHING
POWER
CIRCUIT
INTERFACE
VG
POWER
CIRCUIT
CLK
OR OSC
65
PWG4
PWG4
VCC0
VCC2
VCPU
VCC3
VCC1
INM4
INP2
INP2
INM4
WAKE
LATCH
DATA
CLOCK
DATA
CLOCK
VCC0
SYNC
39
38
20
27
32
37
35
17
L7
10
40
31
16
19
18
67
34
MSDTO
MSCK
PD
32
LD
E
G
F
B
A
SYNC
DCIN
RSTB
VCC1
VCC3
VCPU
62
RF1
DCIN
VCC2
LATCH
WAKE
VLGO2
CHGMNT
CHGMNT
VLGO2
8
L5
RSTB
XWAKE_O
30
XRESET_I
90
PWRLAT_O
93
AD-CHGMNT
54
TU_PWRON
95
AD-DCINMNT
92
AD-BATMNT
IC801 (3/3)
SYSTEM CONTROLLER
VCC1
VCPU 1.9V
VCC2
11
VCC3
D401
D402
L404
VIN
IC403 (3/3)
POWER CONTROL
SAW
GEN.
Q601
SWITCH
BATM2
69
BATM1
68
CHARGE
IC702
IC806
1.4V
REG
IC701 AVD
IC701 DVD
IC82
1.4V
REG
1.4V
3.2V
64
INM1
12
VIN
66
INP1
Q4,5
SWITCH
VIN
L
AD-I-BATT
AD-I-HIDC
DRY
BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
2PCS, 1.5V
J401
DC
IN
4.5V
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