LG LG-V909DW - Google Tablet: Power

6. BLOCK DIAGRAM
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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
SM0 (1.86A)
SM1 (1.86A)
SM2 (1.86A)
LDO0 (300mA)
I2C
Controller
+
Li-Ion
(6,400mAh)
RTC_OUT
BBAT
+
V_POWERRAIL
BAT
TPS658621A
SM1_EN
SM0_EN
nRESET
nINT
CLK32K
1.0~1.2V (CORE)
0.9~1.0V (CPU VDD)
1.0~1.2V (RTC)
1.1V (AVDD_PLL)
3.3V (AVDD_USB)
1.8V (AVDD_OSC, VDDIO_SYS )
2.85V (VPP_FUSE)
3.3V (AVDD_HDMI)
1.8V (AVDD_HDMI_PLL)
2.85V (VDD_DDR_RX)
LDO1 (300mA)
LDO2 (300mA)
LDO3 (300mA)
LDO4 (300mA)
LDO5 (300mA)
LDO6 (300mA)
LDO7 (300mA)
LDO8 (300mA)
LDO9 (300mA)
V2V2
SDA
SCL
Charger
1.5A
Tegra 2 (T250)
LPDDR2 (1GB)
1.2V
1.8V
eMMC
32GB
2.85V (VCC)
1.2V (VDDIO_HSIC, AVDD_CSI_DSI)
3.3V (VDD_SDIO,LCD)
VDD_3V3
VDDIO_PEX_CLK
Sensor’s
ACCELEROMETER
Gyro
COMPAS
CODEC(WM8894)
3.7V (Don’t use)
VDD_1V8
VDD_1V2
1.8V (VCCQ)
MIC2238
AAT2153
VDD_5V0
AAT1217
1.8V (VDDIO_AUDIO, OSC, NAND,
BT, UART, VI)
HDMI
8.9” LCD (LGD)
White LED (4Ý7)
3.3V
VDD_WLED
LP8551
1.8V (VDD), LDO2
SPKVDD, LDO1
VDD_3V3
CAMERA, VGA
LP8720
VDD0_3V3
V_CHG_SYS
DC 5V
USB 5V
3.3V
Flash
AAT1270
LP8720
Google Tablet : Power
Bead
Bead
Bead
RP101K332D
VDD_3V3_ALWAYS
Thermal sensor
L/S
Touch Panel IO Voltage
L/S
Touch Panel Main Voltage
BT/WiFi
VDD_1V8
Indicator LED
Ambient Light Sensor
Bead
VBAT
RF_MODULE
AAT1270
VDD_3V3_ALWAYS
GPS
VDD_GPS_1V8
Google Tablet : Power