LG LAS751M - Power Block Diagram

2-382-37
TAS5612
LCD(Back Light),
TAS5612
PCM1808, LCD,
USB
TPS54331
25VA
-> 12V
TJ4220
3.7VA
->
3.3V
TPS54331
25VA -> 3.7VA
4386mW
(5043mW)
Calculated
Adapter
25VA
12V
3.7VA
3.3VA
WLS_3.3V
25VA
MICOM,BT,
EEPROM
MT8506
TJ4220
5.2VA -> 3.3V
PCM1808,PS9860
PWM_3.3V
1.2V
TPS54331
25VA -> 5.2VA
WLS
5.2VA
1000mA
218mA
120mA
184mA
390mA
RMS output
40/8 x 2=10W, 5/8 x 16= 20W
Peak output
40 x 2=80W, 5 x 16= 80W
Power Measurement condition :20W
1k 0dB
condition
: 160W
Instantaneous peak condition :160W
400mA_RMS
3200mA_RMS
Measurement condition
6400mA_8.3ms_Dynamic
condition
1036mA_RMS
7036mA_Peak
AWG 24 4A
Alive VCC
Ctrl VCC
Efficiency values
SDRAM,FSH,
MT8506,NAND
585mA
D_3.3V
50mA
DDR,MT8506
1.5V
350mA
TPS65252
5.2VA
-> 1.2V
5.2VA -> .5V
670mA
TJ4220
3.7VA -> 3.3V
HDMI
TJ4220
5.2VA
->
5V
VCC_5V
TJ5205
5.2VA
-> 5VA
HDMI_5VA
TJ4220
3.7VA
->
3.3VA
3350mW
608mW
250mW
1725mW
(1811mW)
720mW
1931mW
1287mW
7226mW
(7948mW)
5932mW
(6523mW)
960mW
(1056mW)
mW
mW
(mW)
WIFI_3.5VA
Wi-Fi
930mA
W
TJ4220
3.7VA
->
3.5VA
3255mW
on AMP Board
DCDC
LDO
LCD,RMC
F_3.3VA
42.9mW
13mA
2. POWER BLOCK DIAGRAM