LG -d821 Service Manual page 215

[D821] PM8841 SMPS / PM8941 Input Power Management
8. PM8841 SMPS / PM8941 Input Power Management
PMIC
PM8841
+VPWR
VDD_S1
VSW_S1
VDD_S2
VSW_S2
VDD_S3
VSW_S3
VDD_S4
VSW_S4
VDD_S5
VSW_S5
VDD_S6
VSW_S6
VDD_S7
VSW_S7
VDD_S8
VSW_S8
VREG_S5
VREG_S6
VDD_PON
VREG_S7
VREG_S8
VDD_MSM_IO
+1V8_VREG_S3A
LGE Internal Use Only
+0V95_VREG_S1B(2A)
VDD_MEM
VDD_EBI0_CDC
VDD_EBI1_CDC
VDD_EBI0_PLL
VDD_EBI1_PLL
+0V9_VREG_S2B(3A)
VDD_CORE
USB_SS_VPTX
VDD_USB_CORE
VDD_SDC_CDC
VDD_PLL1
+1V15_VREG_S3B(1A)
VDD_MODEM
MSM8974
+0V9_VREG_S4B(3A)
VDD_GFX
+0V9_VREG_KRAIT(12A)
VDD_KRAIT
+0V9_VSENSE_KRAIT
0 ohm
USB 2.0
Connector
VBUS_USB_IN_PM
(BQ51013BYFPR)
OVP
+5V0_OTG_OVP
Charger IC
(BQ24192)
+VPWR
VBAT
Option for BMS
Internal FET Rds)
Reset
Battery
Switch
- 215 - Copyright © 2013 LG Electronics. Inc. All right reserved.
5. BLOCK DIAGRAM
Wireless
Charger IC
WLC_5V_OUT
OVP
VCHG
VSW_SMBC
VPH_PWR
BAT
FET
VBAT
(If not use
VBAT PM8941
VBAT_SENSE_P
BMS_CSP
VBAT_SENSE_M
BMS_CSN
VBAT_SNS
Only for training and service purposes
SMBC - Buck
(Switched-Mode
Battery Charger)