3. TECHNICAL BRIEF
- 25 -
DEEP
DISCHARGED
UVLO
UVLO
VBAT
VREF
EN
VBAT
VSEL
VREF
EN
DGND
DGND
PG
OUT
VBAT
VREF
EN
AGND
OUT
VBAT
VREF
EN
AGND
OUT
VBAT
VREF
EN
DGND
OUT
VBAT
VREF
EN
DGND
OUT
OUT
13
14
10
12
5
7
9
4
15
16
RESET
GENERATOR
OVER TEMP
SHUTD OWN
LI-ION
BATTERY
CHARGE
CONTROLLER
&
µPROCESSOR
CHARGE
INTERFACE
AGND
6
CHARGER
DETECT
Q S
R
110KΩ
ADP3522
27
1
34
28
2
8
26
27
11
22
18
21
19
23
25
20
3
EN
RE
F
BU
F FE
R
VBAT
VRTCIN
VBAT2
SIMVSEL
SIM LDO
DIGITAL COR
E LDO
ANALO
G
L
DO
TCXO LD O
MO
M OR
Y LDO
RTC LDO
1.21V
VSIM
VCORE
VAN
RESET
VTC XO
VMEM
VRTC
REFOUT
AGND
DGND
PWRONKEY
ROWX
PWRONIN
SIMEN
TCXOEN
RESCAP
CHRDET
EOC
CHGEN
GATEIN
BATSNS
ISENSE
GATEDR
CHRIN
MVBAT
31
Figure 3-12 Block Diagram of ADP3522
Table 3-7 LDOs of ADP3522
VSIM
VCORE
VRTC
VTCXO
VAN
VMEM
Description
1.8V(is provided to the AD6525 & AD6521ʼs digital core)
2.85V(is provided to SIM card)
2.0V(is provided to the RTC and Backup Battery)
2.55V(is provided to the AD6521 I/O and used as microphone bias)
2.75V(is provided to VCTCXO)
2.8V(is provided to Flash)
3.7 Power Management IC (ADP3522, U301)
Block Diagram
Summary of Contents for G1610
Page 1: ...Service Manual Model G1610 Service Manual G1610 P N MMBD0045701 Date February 2005 Issue 1 0 ...
Page 52: ...4 TROUBLE SHOOTING 51 Graph 4 14DCS TX Graph 4 15EGSM TX VC1 VC2 VC1 VC2 VC1 VC2 VC1 VC2 ...
Page 70: ...5 DISASSEMBLY INSTRUCTION 69 5 DISASSEMBLY INSTRUCTION Figure 5 1 Figure 5 2 ...
Page 71: ...5 DISASSEMBLY INSTRUCTION 70 Figure 5 3 Figure 5 4 ...
Page 72: ...5 DISASSEMBLY INSTRUCTION 71 Figure 5 5 ...
Page 73: ...5 DISASSEMBLY INSTRUCTION 72 Figure 5 6 1 3 2 4 Figure 5 7 1 2 3 ...
Page 74: ...5 DISASSEMBLY INSTRUCTION 73 Figure 5 8 4 2 3 1 2 1 Figure 5 9 ...
Page 75: ...5 DISASSEMBLY INSTRUCTION 74 Figure 5 10 ...
Page 86: ...7 BLOCK DIAGRAM 85 7 BLOCK DIAGRAM Power supply ...
Page 87: ... 86 ...
Page 108: ...12 AUTO CALIBRATION 107 12 3 Equipment Setup Figure 12 1 Equipment Setup ...
Page 111: ...12 AUTO CALIBRATION 110 ...