LG KE820 - Using the T9 Mode

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