LG NP5550B - Power Block Diagram

BATTERY
3.7 V 2100 mAh
DC 5 V
5 V
3.5 V ~ 4.3 V
3.3 V ~ 4.3 V
mUSB
3.3 V
FET
AMP
S.FLASH (8 MB)
LED x 7
CSR8670
CP chip
3.3 V 11 mA
3.3 V 10 mA
3.3 V 30 mA
Buck/ Boost
COIL
3.3 µH
PVCC
PVCC Boost Block
TPS61088
9 V
9 V ~ 500 mA
FET
3.3 V 6 mA
LED x 2
5 V 5 mA
3.3 µH
3.3 µH
Charger IC
BQ24262
3-163-15
2. POWER BLOCK DIAGRAM