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<4-1-3-2_PMIC_PM8926_POWER>
CCDS CARD Information
Note 1
Release Date
2013.08.17
External OVP FET for over 1A charging
Rev.BA
Based on Reference Schematic
80-NE925-41 MSM8926 BASEBAND PRELIMINARY REFERENCE SCHEMATIC_BA
EXT_OVP_CTRL
VBUS_USB_IN
+5V0_VREG_BHARGER
+5V0_VREG_BHARGER
+VPWR
Note 2
If BMS_CSP and BMS_CSN pins are not used,
CHG_PGND
VBAT
please connect them to VPH_PWR.
C4145
1'st : Use internal sensing Resistor
VBAT_SENSE
VBAT_SENSE_P
C4146
470n
+VPWR
ATT : External Fuel Guage
+VPWR
R4135
Note 2
Other : QCT BMS
+VPWR
R4138
Connect BMS even Fuel Guage
VCOIN
VBAT_SENSE_N
+5V0_VREG_BHARGER
R4139
+2V1_VSW_S4
+2V075_VREG_L25
0
Note 3
If you don't use bypass Boost, Connect +VPWR
+VPWR
+VPWR
R4141
Current Sensing Point for WLED Driver
Note 9
LGE Internal Use Only
Q4100
6
D1_1
S1
1
8
D1_2
5
G2
G1
2
D2_2
7
4
S2
D2_1
3
161
USB_IN_1
172
USB_IN_2
171
C4131
10n
OVP_CP_DRV
162
OVP_OUT
167
C4132
100n
VDRV_P
143
VCHG_1
155
VCHG_2
L4133
1u
154
VSW_CHG_1
166
L4133 Part Change
VSW_CHG_2
152
VPH_PWR_1
164
VPH_PWR_2
140
BATFET_CP_DRV
139
VBAT_1
151
VBAT_2
163
0.1u
VBAT_3
156
VBAT_SNS
131
BMS_BYP
107
DNI
BMS_CSP
96
DNI
BMS_CSN
76
VCOIN
Note 1
104
VDD_FLASH
4
+1V35_VSW_S3
VDD_GR1
1
VDD_GR2_1
11
VDD_GR2_2
115
+2V1_VSW_S4
VDD_GR3
27
+2V1_VSW_S4
VDD_GR4
59
VDD_GR5_1
+VPWR
60
VDD_GR5_2
7
+VPWR
VDD_GR6
41
VDD_GR7
48
VDD_L25
121
AVDD_BYP
170
VPRE_BYP
9
VDD_S1_1
Note 4
10
VDD_S1_2
GR1 : L1, L2, L4, L5
22
GND_S1_1
33
GR2 : L3, L24, L26
GND_S1_2
34
VDD_S2
GR3 : L6, L7, L8, L9, L27
57
GND_S2_1
GR4 : L10, L11, L13
67
GND_S2_2
GR5 : L14, L12
68
GND_S2_3
47
GR6 : L15, L16, L17, L18
VDD_S3
23
GR7 : L19, L20, L21, L22, L23, L28
GND_S3
93
VDD_S4
69
GND_S4
126
0
VDD_WLED
113
GND_WLEDI_1
114
GND_WLEDI_2
79
VDD_S5
92
GND_S5
Place input caps close to respective VIN pins.
Note 5
Each capacitor GND should be star routed to their respective reference ground
(GND_S1, GND_S2, GND_S3, GND_S4)
Then input caps should via directly to main ground
C4171,4172 CHANGE CAP AT 1.0 (AUDIABLE NOISE)
8
L4130
240n
VSW_S1_1
21
VSW_S1_2
Remote Sense
20
R4132
0
VREG_S1
45
L4131
240n
VSW_S2_1
46
VSW_S2_2
58
VSW_S2_3
Remote Sense
56
R4133
0
VREG_S2
35
L4132
1u
VSW_S3
36
VREG_S3
81
L4134
2.2u
VSW_S4
95
VREG_S4
L4135
1u
80
VSW_S5
78
VREG_S5
L4132/4135 value change to 1u (QCT Review)
L4134 Part Change
15
VREG_L1
3
VREG_L2
2
VREG_L3
37
VREG_L4
25
VREG_L5
105
VREG_L6_1
106
VREG_L6_2
116
U4100
VREG_L7
118
VREG_L8
128
VREG_L9
PM8926
38
VREG_L10
16
VREG_L11
71
VREG_L12
14
VREG_L13
49
VREG_L14
43
VREG_L15
19
VREG_L16
18
VREG_L17_1
30
VREG_L17_2
32
VREG_L18
29
VREG_L19
55
VREG_L20
53
VREG_L21
52
VREG_L22
51
VREG_L23
12
VREG_L24
70
Note 7
VREG_L25
24
Reserved for future
1200mA, Source S3
VREG_L26
127
VREG_L27
Reserved for future
600mA, Source S4
50
VREG_L28
Reserved for USIM3
150mA
94
VOUT_LVS1
138
VSW_WLED
137
OVP_WLED
125
WLED_1
103
VLED_FLASH
CHG_PGND
- 176 -
Rev_0.6
PCB REVISION
R4130
PCB_REVISION
+1V8_VREG_L12
100K
BACKUP BATT
+1V15_VSW_S1
+1V15_VSW_S2
+1V35_VSW_S3
+2V1_VSW_S4
+1V15_VSW_S5
Note 8
Output capacitor should be placed close to MSM load
ground cap directly to main ground using separate via.
Main ground should be continuous (not fragmented) plane
between output capacitor and the PMIC
PMIC Internal Use for VREG_L6
Note 6
PMIC Internal Use for VREG_RF_CLK
Copyright © 2014 LG Electronics. Inc. All right reserved.
6. CIRCUIT DIAGRAM
R4130 R4131 (1005 SIZE)
Rev
0
100K
20K
0.300
A
100K
30K
0.415
B
100K
43K
0.541
C
100K
68K
0.729
D
100K
100K
0.900
E
100K
180K
1.157
1.0
100K
DNI
1.800
1.1
DNI
100K
0.000
10uAH / 0.03F / SMZY0023501
C4182
VCOIN
47u
BAT4130
DNI
DNI (Backup BAT )
+1V225_VREG_L1
+1V2_VREG_L2
+1V15_VREG_L3
+1V2_VREG_L4
+1V2_VREG_L5
+1V8_VREG_L6
+1V9_VREG_L7
+1V8_VREG_L8
+2V05_VREG_L9
+1V8_VREG_L10
+1V8_VREG_L12
+2V75_VREG_L14
+3V0_VREG_L15
Change 2.8V --> 3.0V at 1.0
+2V95_VREG_L17
+2V95_VREG_L18
+2V85_VREG_L19
+3V075_VREG_L20
+2V95_VREG_L21
+2V95_VREG_L22
Reserve +2V95_VREG_L23 at B
+1V3_VREG_L24
+2V075_VREG_L25
+2V8_VREG_L28
+1V8_VREG_LVS1
L4136
10u
+VPWR
PMIC_LED_A
Up to 10EA of LED
ZD4130
PMIC_LED_C
FLASH_LED_OUT_P
C4183
C4163
2.2u
2.2u
Only for training and service purposes
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