LG lg-d821 - Page 214

5. BLOCK DIAGRAM
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Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
[D821] PM8941 Output Power Management
6. PM8941 Output Power Management
LDO(3.3V)
+1V8_VREG_LVS1(300mA)
+1V8_VREG_L12(300mA)
+1V2_VREG_L1(1.2A)
+2V95_VREG_L13(150mA)
PM8941
VREG_L1
VREG_L13
VDD_DDR_CORE_1P2
VDD_DDR_CORE_1P8 VDD_P3/P6/P7
TOUCH
4.95” LCD
Accel, GYRO/Compass,
Prox, ALS,RGB/Pressure
MSM8974
NFC
+3V0_USIM_NFC
USIM
VREG_L4
Bypass
Boost(3.5V)
VSW_S3
+VPWR
VDD_P2
VDD_TXADC/VDD_DIG
+1V25_VREG_L11_(1.2A)
BCM4335
BT/WiFi
+1V3_VREG_L4(1.2A)
VDD0_RF1_1P3
WCD9320
VDD_A1
VREG_L12
VOUT_LVS1
VOUT_LVS2
SM100 (LINEAR MOTOR)
+1V8_VREG_LVS2(300mA)
WTR
1605L #0,1
VDD_DIO
VREG_L2
+1V2_VREG_L2(300mA)
VDD_MIPI_DSI_1P2
VREG_L3
VDD_RX/TX
VDD_IO
VDD_BUCK
JTAG
+1V3_VREG_S1A(2A)
VSW_S1
VDD_L1_3
VDD_L4_11
VDD0_RF2_2P0
PM8941
VREG_L17
+3V0_VREG_L17
VBAT
VREG_L9
UIM1_VREG_L9(150mA)
VREG_L16
VREG_L15
+2V05_VREG_L15(600mA)
VBAT
VREG_BOOST_BYPASS
VREG_L5(XO Buffer, 1V8)
VREG_L7(XO Circuit)
VREF_LPDDR3_CA/DQ
VREF_LPDDR3
+1V8_VREG_L6(150mA)
VBUS_USB_IN_PM
+1V8_VREG_S3A(2A)
VREG_L8
+1V8_VREG_L8(50mA)
PCB_REVISION
RF S/W
GPS LNA
VDD_SWITCH_2P65
VDD_GPS_LNA_2P7
VREG_L14
+1V8_VREG_L14(150mA)
+1V8_VREG_S3A(2A)
eMMC 32GB
VCCQ
VREG_L20
+2V95_VREG_L20(600mA)
VCC
SLIMPORT
VDD_MSM_IO/VDD_L2_LVS1_2_3
+1V8_VREG_S3A
VBAT1
UIM1_VREG_L9(150mA)
VDD_MIPI_DSI_1P8/VDD_MIPI_CSI
VDD_EDP/VDD_HDMI/VDD_PLL2
VDD_QFPROM_PRG
VDD_P5
VDD_USB_1P8
VREG_L6
+3V075_VREG_L24(50mA)
VDD_USB_3P3
VREG_L24
VSW_S2
VDD_L5_7
VDD_L6_12_14_15
+2V15_VREG_S2A(1A)
+1V2_VREG_L1(1.2A)
+1V05_VREG_L3(300mA)
CAM_VDDIO
CAM_DIG_CORE
CAM_AVDD
8M Cam
VREG_L17
+2V85_VREG_L17(300mA)
CAM_VCM
DSV
WLED_A
WLED_C1
WLED_C2
+5V5_DDVDH
-5V5_DDVDL
EBI0/1_VREF
AVDD33(300mA)
VDD_L8_16_18_19
VDD_L9_10_17_22
VDD_L12_20_23_24
VDD_L21
VPH_PWR
VDD_S1
VDD_S2
VDD_S3
PHY_VBUS
USB1_PHY_VBUS
USB_HS1_VBUS
VREG_5V
VIN_5VS
VDD_TORCH
+5V0_VREG
+5V0_VREG_OTG(500mA)
+VPWR
VCHG
1.3M
CAM
VREG_L19
VBAT1
VBAT_FEM/VBAT
+VPWR
VDD_VBAT
VDD_SPKDR1/2
VIO
+1V8_VREG_S3A
LMSW6S
FEMID
VIO
VDD
ETMMPA
HCPA
VIO
VBAT
QFE1100
+VPWR_RF
VDD_BATT/BYP_BATT
VDD_BUCK
PA_VBATT
ETPA
B7 PAM
VIO
VBAT
AMP_OUT
VCC
VCC
VDD_1P8
VDD_A2
VDD_P1/P4
USB_OTG_IN
VOUT_5VS_OTG
VOUT_5VS_HDMI
VREG_L11
VDD_WLAN
VREG_L10
GPS_B7 PAM, SPDT, DP4T, SP3T
VDD
EARJACK/UART
(COMPARATOR, S/W)
VDD_L2_LVS1_2_3
+1V8_VREG_S3A(600mA)
VDD
VREG_L22
+3V3_VREG_L22(300mA)
VBUS
+1V8_VREG_LVS3(300mA)
VOUT_LVS3
VDD_GPLED/RGB/WLED
FLASH LED
FLASH_DRV
RGB_LED
GP_LED_DRV
VDD_FLASH
LCD BOOST
+VPWR
VCOIN
BACKUP BAT
Battery
USB_IN
Ext. Charger
VBAT1
RESET
IC
+VPWR
FUEL GAUGE
LDO(1.2V)
+1V2_VT_LDO
+VPWR
EARJACK/UART DET
+VPWR
VREG_BOOST_BYPASS
LDO(1.0V)
+1V0_SLIMPORT_IOVCC
2.0 USB Conn.
buck
VCHG
FET
VPWR
(BQ24192)
OVP_OUT
OVP
OVP
+VPWR
OVP
+VPWR
+1V8_VREG_S3A
VREG_BOOST_BYPASS
+1V8_VREG_S3A
VBUS_USB_IN_PM
Bypass
Boost(3.5V)