LG SJ5 - Power Block Diagram

3-4
DCDC
[2A]
PVDD
12VA
SMPS
(24.5 V)
AMP
1.2V
DSP
WIRELESS
Module
WLS_3.3V
3.3VA
BT Module
RCU
OPTICAL
DCDC
DCDC
Switching
TR
12V
1.2V
5.1VA
3.3VA
1000mA
100mA
PWMSwitch
WL_CTRL
P_CTRL
P_CTRL
P_CTRL
10mA
100mA 10mA 10mA 100mA 100mA
PWM_3.3V
USB, LCD
1100mA
VCC_5V
Switch
3.3VA 3.3VA
Ctrl_VCC
Alive VCC
LDO or Switch
DCDC
DCDC
5V
MICOM
1.5V 1.5V
Switch
D_3.3V
100mA
20mA
100mA
12V
3.3VA
3.3VA
Switch
WL_CTRL
350mA
DSP, DDR
D33_CTRL
2. POWER BLOCK DIAGRAM