LG KE820 Service Manual page 35

3. TECHNICAL BRIEF
Table 6 LDO Output Table of SM-Power
LDO Net name
SDBB 1V8_MEM
LRFC 1V5_RF
LBB1 1V5_DSP
LBB2 1V5_CORE
LINT 2V72_IO
LSIM 2V85_SIM
LSIM2 2V85_IO2
LMMC 2V85_CARD
LANA 2V65_ANA
LRTC 2V11_RTC
LRF1 2V85_RF
LRF2 2V7_RF
LRF3 2V65_BT
LUSB 3V1_USB
VBAT
ZXCT1010
E5TA
VSUPPLY
Li-Ion
750 mAh
MMI
18pin
VSUPPLY
VCHG
SCL
SDA
PWRON
_RESET
PM_INT
Output Voltage Output Current
1.8V 850mA
1.5V 120mA
1.5V 170mA
1.5V 300mA
2.72V 135mA
2.85V 22mA
2.85V 200mA
2.85V 135mA
2.65V 220mA
2.11V 0.3mA
2.85V 250mA
2.7V 10mA
2.65V 150mA
3.1V 45mA
PMIC
PMB6812
LBB1 SDBB
170mA 850mA
LBB2 LANA
300mA 220mA
LINT LSIM
135mA 22mA
LSIM2 LMMC
200mA 135mA
LUSB LRTC
45mA 0.3mA
LRFC LRFC1
120mA 250mA
LRFC2 LRFC3
10mA 150mA
I2C BUS
INTERFACE
Charge
CONTROL
Control
Audio
LED/3
amp
Figure 5 Power domain block diagram of KE820/KG99
Usage
Memory & for LDO
RF transceiver
DSP in BBP
ARM core in BBP
Peripherals
SIM card
Peripherals
SD card
Analog block in BBP
RTC block & Backup battery
RF IC
RF IC
BT IC(Blue moon
USB I/F
BBP
PMB8876
1V8_MEM
1V5_DSP
2V65_ANA
1V5_CORE
2V85_SIM
2V72_IO
2V85_CARD
2V85_IO2
2V11_RTC
3V1_USB
Memory
PF38F5060M0Y0B0
1V8_MEM
RF Transceiver
PMB6272
VBAT
2V85_RF
1V5_RF
2V7_VCXO
1V5_CORE
- 36 -
LCD
R61505
2V72_IO
SCL
SDA
Camera
_RESET
MT9D111
PM_INT
1V8_MEM
2V85_IO2
AAT2806
VBAT
FMradio
SI4701
2V72_IO
3V3_AUDIO
Amp.
LM4845
2V72_IO
3V3_AUDIO
BT
PMB8753
2V65_BT
1V5_CORE
1V8_MEM
2V72_IO
PAM
RF3158
VSUPPLY VSUPPLY