LG lg-d821 - Page 215

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