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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. BB Circuit Technical brief
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2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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[Table 3.3.1-1] LDO Output Table of SM-Power3
LDO
Net name
Output Voltage
Output Current
Usage
SD1
1V35_Core
1.35V
600mA
Core & for LDO
SD2
1V8_SD
1.8V
300mA
Memory
VAUX
2V85_VFM
2.85V
100mA
FM RADIO
VIO
2V62_VIO
2.62V
100mA
Peripherals
VSIM
2V9_SIM
2.9V
70mA
SIM card
VMME
2V8_VMME
2.9V
150mA
u-SD
VUMTS
2V85_VLCD
2.85V
110mA
LCD
VAUDIOa
2V5_VAUDA
2.5V
200mA
Stereo headset, Mono earpiece
VAUDIOb
2V5_VAUDB
2.5V
50mA
Analog parts of S-Gold
VRF1
2V85_VRF
2.85V
150mA
2.85 V supply for SMARTi-PM
RF transceiver
VRF2
1V5_VRF
1,53V
100mA
1.5 V supply for SMARTi-PM
RF transceiver
VRF3
2V65_VBT
2.7V
150mA
Bluetooth
VPLL
1V35_VPLL
1.35V
30mA
S-GOLD3H PLL
VRTC
2V11_RTC
2.11V
4mA
Real Time Clock
VAFC
2V7_VRF
2.65V
5mA
Not used
VVIB
2V8_VAMP
2.8V
140mA
AUDIO AMP
[Figure3.3.1-1] SM-Power 3 Circuit Diagram
u2.
2
00
2
C
C201
1u
VUSB
VBAT
u7.
4
20
2
C
0.1u
C203
10u
C204
SDB1040
D200
2.2u
C205
10u
C222
A1
22
S8
06
1Z
P
M
02
2
FB200
2V62_VIO
TJ
20
1-
50
01
M1-
B
H
00
01
FB201
C209
4.7u
1u
C210
C212
1u
VBAT
2V62_VIO
31
2
C
u7.
4
K7.
4
31
2
R
1V8_SD
K7.
4
52
2
R
VBAT
2V9_VMME
C216
1u
C217
2.2u
4.7u
C218
SDB1040
D201
C219
2.2u
1u
C220
I
N
D
81
2
R
TP
00
2
PT
TP6
PT
10u
C221
2V85_VRF
2V9_SIM
2V85_VBT
2V65_TOUCH
100K
R220
100n
C223
K7.
4
12
2
R
C224
2.2u
C225
1u
2.2u
C226
VBAT
100n
C227
100K
R224
2V85_VLCD
82
2
C
u2.
2
1V35_VPLL
VBAT
2.2u
C229
62
2
R
K7.
4
T
NI
_
P
S
TP
C230
2.2u
2V5_VAUDB
1V8_SD
220
FB202
MPZ1608S221A
2.2u
C231
PMB6821
U202
4
H
8
H
9
D
6
J
7
H
6
H
5
H
9
G
8
G
7
G
6
G
5
G
4
G
3
G
9
F
8
F
7
F
6
F
5
F
4
F
3
F
9
E
8
E
7
E
6
E
5
E
4
E
8
D
7
D
6
D
5
D
4
D
6
C
L2
L10
K2
J10
K1
K11
J3
J11
H3
H9
J2
J1
H10
H1
H11
H2
G10
G1
G2
G11
F11
F1
F10
F2
E11
E1
E10
E2
D1
D11
E3
D10
D2
C10
C1
C11
D3
C2
B1
1
1
L
8
A
9
J
0
1
K
9
L
9
K
8
L
8
K
7
L
8
J
7
K
6
L
7
J
6
K
5
K
5
J
5
L
4
L
4
K
3
L
3
K
4
J
1
A
4
B
1
1
B
1
L
1
1
A
9
B
0
1
A
0
1
B
9
C
9
A
8
C
8
B
6
A
7
C
7
A
5
A
7
B
5
C
6
B
5
B
4
A
4
C
3
A
3
B
3
C
2
A
2
B
M
V_
0
E
S
P
V_
T
A
D
-
C
A
+
C
A
D
N
E
P
S
U
S
N_
E
O
B
S
U
V
B
S
U_
D
D
V
P
NI
_
O
N
O
M
N
NI
_
O
N
O
M
O
N
O
M_
D
D
V
M_
X
EF
E
R
V
PT
U
O_
O
N
O
M
O
N
O
M_
S
S
V
NT
U
O_
O
N
O
M
F
E
R
R
F
E
R
V
K
NI
H
S_
H
S
AL
F
N
O_
H
S
AL
F
A
P
N
O
XT
LL
P
V
OI
LL
P
D
D
V
OI
V
2
D
S
V
3
S
M
U
P
2
S
M
U
P
1
S
M
U
P
T
R
O
PT
U
O
N
O_
R
E
W
O
P
G
O
D
W
1F
F
O_
N
O
2F
F
O_
N
O
T
U
O_
FF
O_
N
O
LT
R
C_
E
C
R
U
O
S
E
R
T
NI
_
C2I
T
A
D_
C2I
KL
C_
C2I
M
W
P_
1L
B
M
W
P_
2L
B
M
W
P_
3L
B
L
RT
N
C_
H
C
E
C
R
U
O
S_
H
C
C
U_
E
G
R
A
H
C
E
G
R
A
H
C_
D
D
V
1
NI
_
E
S
N
E
S
2
NI
_
E
S
N
E
S
F
E
R_
D
D
V
D
EL
V
1
D
S
V
RCV
VPIN
VMIN
VMME
D+
VDDMME
D-
VDDRF2
RESET_N
VRF2
RESET2_N
SLEEP1_N
VRF3
SLEEP2_N
VDDRF13_AFC
VAUDIOA
VRF1
VDDAUDIOA
VVIB
VDDSIMVIB
VDDAUDIOB
VAUDIOB
VSIM
VAUX
VAFC
VDDAUX
VRTC
SU1_GATE
SU1_GND
VDDUMTS
SU1_FB
VUMTS
SU1_ISENSE
VDDSD1
VDDSD2
SD1_FB
SD2_FB
SD1_FBL
SD2_FBL
1
S
S
V
2
S
S
V
3
S
S
V
4
S
S
V
5
S
S
V
6
S
S
V
7
S
S
V
8
S
S
V
9
S
S
V
01
S
S
V
11
S
S
V
21
S
S
V
31
S
S
V
41
S
S
V
51
S
S
V
61
S
S
V
71
S
S
V
81
S
S
V
91
S
S
V
02
S
S
V
12
S
S
V
22
S
S
V
32
S
S
V
42
S
S
V
52
S
S
V
62
S
S
V
72
S
S
V
82
S
S
V
92
S
S
V
03
S
S
V
F
E
R
V_
S
S
V
1
D
S_
S
S
V
2
D
S_
S
S
V
VBAT
C232
4.7u
C234
1u
u0
1
53
2
C
63
2
C
u0
1
1V35_CORE
2V85_VFM
2.2u
C237
VBAT
27K
R227
82
2
R
I
N
D
2V11_RTC
C238
0.1u
2V8_AMP
BT_VCXO_EN
PT
2.2u
C240
VBAT
0
R229
1V5_VRF
2.2u
C241
10u
L200
u0
1
24
2
C
TP
10
2
PT
03
2
R
K7.
4
2.2u
C243
2V5_VAUDA
C244
2.2u
2.2u
C245
10u
L201
C246
100n
20
2
PT
TP
L
RT
C_
E
C
R
U
O
S
E
R
USB_DAT_VP
USB_SE0_VM
PM_VCXO_EN
RTC_OUT
A
D
S_
1
C2I
L
C
S_
1
C2I
G
O
D
W
RPWRON_EN
USB_OEN
R
P
P_
N
O
R
W
P
ON_OFF2
2F
F
O_
N
O
PMRSTN
T
NI
_
R
E
W
O
P
S
USB_DM
USB_DP
T
H
GI
L
K
C
A
B_
Y
E
K
N
E_
K
C
A
B_
Y
E
K
PMIC