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Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6. CIRCUIT DIAGRAM
R4138
DNI
R4135
DNI
C4163
2.2u
L4135
1u
1u
L4132
ZD4130
C4146
470n
C4169
10u
2.2u
C4183
R4139
0
R4130
100K
R4131
DNI
L4133
1u
L4134
2.2u
C4140
DNI
C4141
DNI
C4128
DNI
C4182
47u
+VPWR
C4120
1u
C4119
1u
C4121
1u
C4122
1u
4.7u
C4123
C4124
1u
C4125
1u
C4126
1u
C4127
1u
4.7u
C4181
4.7u
C4180
C4129
1u
L4131
240n
+2V8_VREG_L28
0.1u
C4145
VBUS_USB_IN
+2V1_VSW_S4
+1V8_VREG_L12
VCOIN
33n
C4130
4.7u
C414
3
+1V2_VREG_L4
+1V15_VREG_L3
+1V2_VREG_L2
+1V225_VREG_L1
+1V8_VREG_LVS1
+2V075_VREG_L25
+1V3_VREG_L24
+2V95_VREG_L22
+2V95_VREG_L21
+3V075_VREG_L20
+2V85_VREG_L19
+2V95_VREG_L18
+2V95_VREG_L17
+3V0_VREG_L15
+2V75_VREG_L14
+1V8_VREG_L12
+1V8_VREG_L10
+2V05_VREG_L9
+1V8_VREG_L8
+1V9_VREG_L7
+1V8_VREG_L6
+1V2_VREG_L5
+1V15_VSW_S5
+2V1_VSW_S4
+1V35_VSW_S3
+1V15_VSW_S2
+1V15_VSW_S1
VSW_S5
DNC_1 DNC_2
NC_1 NC_2 NC_3 NC_
4
NC_5 NC_6 NC_7 NC_8 NC_9 NC_1
0
NC_1
1
VREG_S5
GND_S5
GND_WLE
D
GND_OVP GND_CHG GND_CHG_PSU
B
GND_CHG_HP_1 GND_CHG_HP_
2
GND_
1
GND_
2
GND_
3
GND_
4
GND_
5
GND_
6
GND_
7
GND_
8
VSW_S1_1
VSW_S1_2
VREG_S1
VSW_S2_1
VSW_S2_2
VSW_S2_3
VREG_S2
VSW_S3
VREG_S3
VSW_S4
VREG_S4
VREG_L1
VREG_L2
VREG_L3
VREG_L4
VREG_L5
VREG_L6_2
VREG_L7
VREG_L8
VREG_L9
VREG_L10
VREG_L11
VREG_L12
VREG_L13
VREG_L14
VREG_L15
VREG_L16
VREG_L17_2
VREG_L18
VREG_L19
VREG_L20
VREG_L21
VREG_L22
VREG_L23
VREG_L24
VREG_L25
VREG_L26
VREG_L27
VREG_L28
VOUT_LVS1
VSW_WLED
OVP_WLED
WLED_1
VLED_FLASH
USB_IN_1
USB_IN_2
OVP_CP_DRV
OVP_OUT
VDRV_P
VCHG_1
VCHG_2
VSW_CHG_1
VSW_CHG_2
VPH_PWR_1
VPH_PWR_2
BATFET_CP_DRV
VBAT_1
VBAT_2
VBAT_3
VBAT_SNS
BMS_BYP
BMS_CSP
BMS_CSN
VCOIN
VDD_FLASH
VDD_GR1
VDD_GR2_2
VDD_GR3
VDD_GR4
VDD_GR5_2
VDD_GR6
VDD_GR7
VDD_L25
AVDD_BYP
VPRE_BYP
VDD_S1_2
GND_S1_2
VDD_S2
GND_S2_3
VDD_S3
GND_S3
VDD_S4
GND_S4
VDD_WLED
GND_WLEDI_1
GND_WLEDI_2
VDD_S5
VDD_GR2_1
VDD_GR5_1
VDD_S1_1
GND_S1_1
GND_S2_2
GND_S2_1
VREG_L17_1
VREG_L6_1
U4100
PM8926
105
18
57
67
22
9
59
1
79
114
113
126
69
93
23
47
68
34
33
10
170
121
48
41
7
60
27
115
11
4
104
76
96
107
131
156
163
151
139
140
164
152
166
154
155
143
167
162
171
172
161
103
125
137
138
94
50
127
24
70
12
51
52
53
55
29
32
30
19
43
49
14
71
16
38
128
118
116
106
25
37
2
3
15
95
81
36
35
56
58
46
45
20
21
8
11
1
99
98
87
86
75
74
64
16
5
15
3
10
9
14
2
11
0
15
0
92
78
147
145
133
91
90
89
82
54
40
28
26
84
83
80
22
u
C4133
4.7u
C414
2
+VPWR
+VPWR
0
R4141
+VPWR
C4164
4.7u
2.2u
C4177
C4173
2.2u
C4174
2.2u
C4175
2.2u
2.2u
C4176
1u
C4165
+VPWR
C4170
DNI
VBAT_SENSE
+VPWR
C4137
DNI
C4167
0.1u
C4168
4.7u
VBAT
+1V35_VSW_S3
+5V0_VREG_BHARGER
+VPWR
VCOIN
+VPWR
+5V0_VREG_BHARGER
C4132
100n
C4131
10n
+2V1_VSW_S4
+2V1_VSW_S4
+5V0_VREG_BHARGER
C4148
4.7u
4.7u
C4151
4.7u
C4150
4.7u
C4149
1u
C4147
1u
C4153
1u
C4152
1u
C4155
1u
C4154
C4156
4.7u
4.7u
C4157
1u
C4159
1u
C4158
4.7u
C4160
4.7u
C4162
0
R4132
0
R4133
C4161
4.7u
10u
L4136
10
K
R4142
+2V075_VREG_L25
0.1u
C4166
+VPWR
R4146
4.7K
G1
S1
D1_1
D2_1
G2
S2
D1_2
D2_2
Q4100
7
8
4
5
3
6
1
2
4.7K
R4145
G1
S1
D1
D3
D4
D2
G2
S2
Q410
1
C4139
DNI
C4135
22u
22u
C4134
47u
C4138
C4136
47u
240n
L4130
VBAT_SENSE_N
FLASH_LED_OUT_P
PMIC_LED_C
VBAT_SENSE_P
PCB_REVISION
EXT_OVP_CTRL
PMIC_LED_A
Change 2.8V --> 3.0V at 1.0
R4130 R4131 (1005 SIZE)
Rev
0.729
0.541
R2V95_VREG_L23 at B
DNI
80-NE925-41 MSM8926 BASEBAND PRELIMINARY REFERENCE SCHEMATIC_BA
2013.08.17
Rev.BA
CCDS CARD Information
Release Date
Based on Reference Schematic
Note 6
Note 7
Note 5
Note 9
Note 3
Note 2
Note 2
Note 1
Note 4
Note 8
between output capacitor and the PMIC
Current Sensing Point for WLED Driver
Main ground should be continuous (not fragmented) plane
1'st : Use internal sensing Resistor
ground cap directly to main ground using separate via.
Output capacitor should be placed close to MSM load
100K
E
1.1
1.0
180K
DNI
100K
1.157
BACKUP BATT
10uAH / 0.03F / SMZY0023501
PCB REVISION
0.900
1.800
0.000
C
D
100K
100K
100K
100K
43K
68K
100K
0.300
0.415
100K
A
B
100K
20K
30K
0
L4132/4135 value change to 1u (QCT Review)
DNI (Backup BAT )
ATT : External Fuel Guage
Other : QCT BMS
Connect BMS even Fuel Guage
Place input caps close to respective VIN pins.
(GND_S1, GND_S2, GND_S3, GND_S4)
Then input caps should via directly to main ground
Each capacitor GND should be star routed to their respective reference ground
CHG_PGND
Remote Sense
Remote Sense
Reserved for future
PMIC Internal Use for VREG_RF_CLK
PMIC Internal Use for VREG_L6
Reserved for future
Reserved for USIM3
CHG_PGND
If you don't use bypass Boost, CVPWR
Up to 10EA of LED
please connect them to VPH_PWR.
If BMS_CSP and BMS_CSN pins are not used,
1200mA, Source S3
600mA, Source S4
150mA
GR1 : L1, L2, L4, L5
GR2 : L3, L24, L26
GR3 : L6, L7, L8, L9, L27
GR4 : L10, L11, L13
GR5 : L14, L12
GR6 : L15, L16, L17, L18
GR7 : L19, L20, L21, L22, L23, L28
Note 1
External OVP FET for over 1A charging
Rev_0.6
<4-1-3-2_PMIC_PM8926_POWER>
L4134 Part Change
L4133 Part Change
C4171,4172 CHANGE CAP AT 1.0 (AUDIABLE NOISE)
BAT4130
DNI
22
u
C4171
C4172
22
u