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LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
GS290 Operational Description Revision B
LG Electronics
34/136
LGE Property
–driver for Vibra Motor with adjustable voltages, soft startup / shutdown and current limitation
SM-POWER offers several control functions
– Power-on Reset Generator with logic state machine
– I2C bus interface
– I2C bus configurable mode control logic with ON (push-button or RTC), VCXOEN and LRF3EN (wake-up by
Bluetooth) inputs
– Programable interrupt channels to handle peripherals like SIM, MMC and USB
– Monitoring of charging functions
– Undervoltage Shut-Down
– Errorflags (volatile or non-volatile) from many power-supply functions and thermal sensor in order to debug
system
– Overtemperature Shut-Down
– Overtemperature Warning
– Support of S-GOLD standby power-down concept
– Support of S-GOLD Power-Down Pad Tristate Function
Table 6. LDO Output Table of SM-Power
LDO
Net name
Output Voltage
Output Current
Usage
SD1
1V35_Core
1.35V
600mA
Core & for LDO
SD2
1V8_SD
1.8V
300mA
Memory
VAUX
2V9_VAF
2.9V
100mA
Cam Auto Focus
VIO
2V62_VIO
2.62V
100mA
Peripherals
VSIM
2V9_SIM
2.9V
70mA
SIM card
VMME
2V8_VMME
2.9V
150mA
u-SD
VUMTS
2V85_AMP
2.85V
110mA
Headset AMP
VUSB
VUSB
3.1V
40mA
VUSB
VLED
VLED
2.9V
10mA
Not used
VAUDIOa 2V5_VAUDA
2.5V
200mA
Stereo headset, Mono earpiece
VAUDIOb 2V5_VAUDB
2.5V
50mA
Analog parts of S-Gold
VRF1
2V85_VRF
2.85V
150mA
2.85 V supply for SMARTi-PM
RF transceiver
VRF2
1V5_VRF
1,53V
100mA
1.5 V supply for SMARTi-PM
RF transceiver
VRF3
2V65_VBT
2.7V
150mA
Bluetooth
VPLL
1V35_VPLL
1.35V
30mA
S-GOLD3 PLL
VRTC
2V11_RTC
2.11V
4mA
Real Time Clock
VAFC
VAFC
2.65V
5mA
Not used
VVIB
2V8_VLCD
2.8V
140mA
LCD
GS290 Operational Description Revision B
LG Electronics
34/136
LGE Property
–driver for Vibra Motor with adjustable voltages, soft startup / shutdown and current limitation
SM-POWER offers several control functions
– Power-on Reset Generator with logic state machine
– I2C bus interface
– I2C bus configurable mode control logic with ON (push-button or RTC), VCXOEN and LRF3EN (wake-up by
Bluetooth) inputs
– Programable interrupt channels to handle peripherals like SIM, MMC and USB
– Monitoring of charging functions
– Undervoltage Shut-Down
– Errorflags (volatile or non-volatile) from many power-supply functions and thermal sensor in order to debug
system
– Overtemperature Shut-Down
– Overtemperature Warning
– Support of S-GOLD standby power-down concept
– Support of S-GOLD Power-Down Pad Tristate Function
Table 6. LDO Output Table of SM-Power
LDO
Net name
Output Voltage
Output Current
Usage
SD1
1V35_Core
1.35V
600mA
Core & for LDO
SD2
1V8_SD
1.8V
300mA
Memory
VAUX
2V9_VAF
2.9V
100mA
Cam Auto Focus
VIO
2V62_VIO
2.62V
100mA
Peripherals
VSIM
2V9_SIM
2.9V
70mA
SIM card
VMME
2V8_VMME
2.9V
150mA
u-SD
VUMTS
2V85_AMP
2.85V
110mA
Headset AMP
VUSB
VUSB
3.1V
40mA
VUSB
VLED
VLED
2.9V
10mA
Not used
VAUDIOa 2V5_VAUDA
2.5V
200mA
Stereo headset, Mono earpiece
VAUDIOb 2V5_VAUDB
2.5V
50mA
Analog parts of S-Gold
VRF1
2V85_VRF
2.85V
150mA
2.85 V supply for SMARTi-PM
RF transceiver
VRF2
1V5_VRF
1,53V
100mA
1.5 V supply for SMARTi-PM
RF transceiver
VRF3
2V65_VBT
2.7V
150mA
Bluetooth
VPLL
1V35_VPLL
1.35V
30mA
S-GOLD3 PLL
VRTC
2V11_RTC
2.11V
4mA
Real Time Clock
VAFC
VAFC
2.65V
5mA
Not used
VVIB
2V8_VLCD
2.8V
140mA
LCD