LG MG180C Service Manual page 32

VBAT
Sel 2.8 V
Sel 1.8 V
BACKUP
BK: Regulators ON in BACKUP/SLEEP/NORMAL
mode
SL: Regulators ON in SLEEP/NORMAL mode
SLP: Idem SL + reverse current protection
NM: Regulators ON in NORMAL mode
1
: Reserved for TWL3025 private use only
ABB
VCRAM
VCMEM
UPR
VLMEM
VCDBB
VLRTC
VCIO1
VCIO2
VCABB
VBAT
VBACKUP
BBS
ABB
VRPC Core
Figure 14. Power Supply Scheme
- 31 -
3. H/W Circuit Description
RSIM
VRSIM
1.8/2.9 V
10 mA
µ
SL 1 F
RRAM
VRRAM
1.8/2.8 V
50 mA
µ
4.7 F
SLP
RMEM
VRMEM
1.8/2.8 V
60 mA
µ
4.7 F
SL
VSDBB
RDBB
1.3/1.5 V
VRDBB
120 mA
SL
µ
10 F
VRIO1
RIO
VRIO2
2.8 V
100 mA
SL
µ
10 F
ABB
Digital Core
I/O
ABB
Analog
Core
RABB
1
VRABB
2.8 V
50 mA
µ
4.7 F
NM/SL
1
UPR
µ
1 F
VLRTC
Sel 1.8 V
Sel 1.5 V
RRTC
VRRTC
1.3/1.5 V
µ
10 A
µ
1 F
BK
SIM
Card
SRAM
Core
Memories
I/O
Core
DBB
Memories
I/O
DBB
Core
DBB
I/O
DBB
Split Power
Low Power
Domain
DBB Backup
RTC
I/O RTC