- 228 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6. CIRCUIT DIAGRAM
L1402
2.2u
L4103
2.2u
L4104
2.2u
D10000
C4115
47u
C4117
47u
C4135 2.2u
2.2uC4136
R4115
DNI
2.2uC4106
C4142 1u
L4101
1u
+1V0_VREG_L11
C4148 DNI
+1V8_VREG_L10
RP115L211B-E2
EAN62732201
U10000
VOUT1
1
VOUT2
2
VFB
4
GND
5
PGND
9
CE
6
VDD1
7
VDD2
8
LCON
3
R4102
10K
TP4114
30.9KTOL=0.01
R4107
1uC4123
1uC4132
1uC4126
1uC4122
C4127 1u
1uC4131
1uC4125
1uC4128
1uC4134
C4143 1u
0.1u
C4118
1n
C4119
1uC4130
100nC4112
2.2u
L4100
21
C4109 100n
C4105 2.2u
EAW61883401
19.2MHz
X1E0002910001
X4100
4 3
21
XTAL1 GND/Therm
XTAL2Thermistor
+2V95_VREG_L21
4.7uC4139
+VPWR
R4119 DNI
DNIR4104
TP4105
47u
C4116
4.7uC4140
+3V3_VREG_L22
TP4107
TP4106
2.2u
C10000
+3V0_VREG_L19
C10001
4.7u
47
74
13
42
79
7
30
68
52
12
20
153
136
145
121
132
148
156
123
213
188
85
129
204
203
178
PM8941
EAN62667101
U4100
142
174
183
57
150
96
161
32
16
98
58
135
22
19
4
21
118
40
207
206
198
224
208
169
223
222
214
210
182
215
199
216
200
217
205
189
171
228
212
229
221
220
181
173
172
139
190
158
160
167
176
49
65
41
80
88
73
81
66
104
119
127
126
97
192
48
24
8
154
138
170
179
162
195
186
147
131
196
180
134
225
219
185
175
130
122
116
112
108
107
101
99
92
91
78
50
115
100
146
137
128
106
166
143
90
159
194
184
67
51
105
34
59
25
36
43
117
165
149
109
76
94
77
71
61
55
62
53
39
187
201
209
87
33
9
1
23
64
2
14
63
177
193
226
152
72
125
141
133
111
124
140
82
18
120
89
6
151
29
10
27
26
28
144
113
38
35
5
56
103
31
95
17
15
227
211
218
37
46
164
163
197
191
202
114
155
54
70
83
44
75
60
84
69
3
11
45
168
102
157
110
93
86
GPIO_10/KYPD_DRV2
GPIO_11/KYPD_DRV3
GPIO_12/KYPD_DRV4
GPIO_13/KYPD_DRV5
GPIO_14/KYPD_DRV6
GND_REF
GND_XOADC
XTAL_19M_IN
XTAL_19M_OUT
XO_OUT_A0
XO_OUT_A1
XO_OUT_A2
XO_OUT_D0
XO_OUT_D0_EN
XO_OUT_D1
XTAL_32K_IN
XTAL_32K_OUT
KYPD_PWR_N
OPT_3
OPT_2
OPT_1
PS_HOLD
RESIN_N
PON_RESET_N
VREF_XO
XO_THERM
VREF_BAT
BAT_THERM
BAT_ID
GND_S1
GND_S2
GND_S3
VREG_L1
VREG_L2
VREG_L3
VREG_L4
VREG_L6
VREG_L8
VREG_L9
VREG_L10
VREG_L11
VREG_L12
VREG_L14
VREG_L15
VREG_L16
VREG_L17
VREG_L18
VREG_L21
VREG_L22
VREG_L23
VREG_L24
VOUT_LVS1
VOUT_LVS3
VOUT_LVS2
VIN_5VS
VOUT_5VS_OTG
VOUT_5VS_HDMI
VIB_DRV_N
REF_BYP
PHY_VBUS
BMS_CSP
BMS_CSN
VCOIN
VDD_S1
VDD_S2
VDD_S3
VREG_S1
VSW_S2_1
VSW_S2_2
VREG_S2
VREG_S3
VDRV_P
VREG_CHG
VPRE_CAP
GPIO_01/KYPD_SNS1
GPIO_02/KYPD_SNS2
GPIO_03/KYPD_SNS3
GPIO_04/KYPD_SNS4
GPIO_05/KYPD_SNS5
GPIO_06/KYPD_SNS6
GPIO_07/KYPD_SNS7
GPIO_08/KYPD_SNS8
GPIO_09/KYPD_DRV1
GPIO_15HS/CLK_CODEC
GPIO_16HS/CLK_HAPTICS
GPIO_17HS/CLK_QPA1
GPIO_18HS/CLK_QPA2
GPIO_19/MIPI_DSI_RST_N
GPIO_20/GOBI_PWR_EN
GPIO_21/EXT_REG_EN1
GPIO_22/HS_DET
GPIO_23/KYPD_DRV7
GPIO_24/KYPD_DRV8
GPIO_25/KYPD_DRV9
GPIO_26/KYPD_DRV10
GPIO_27/FLASH_STROBE
GPIO_28/TX_GTR_THRESH
GPIO_29/SD_WP
GPIO_30/TS_CHGR_IN
GPIO_31/BAT_ALARM
GPIO_32/NFC_CLK_REQ
GPIO_33/PWM_LED_CTL1
GPIO_34/PWM_LED_CTL2
GPIO_35/PWM_LED_CTL3
GPIO_36/PWM_LED_CTL4
GND_06
GND_11
GND_01
GND_02
GND_03
GND_04
GND_05
GND_07
GND_08
GND_09
GND_10
GND_12
GND_13
GND_14
GND_15
GND_16
GND_17
GND_18
GND_WLED_SMPS
CBL_PWR_N
PON_1
SPMI_CLK
SPMI_DATA
AMUX_PU1
AMUX_PU2
AMUX_HW_ID
AMUX_USB_ID
AMUX_1
AMUX_2
AMUX_3
AMUX_4
AMUX_5
PON_OUT
OPT_4
VDD_INT_BYP
VREF_DDR3_CA
VREF_DDR3_DQ
MPP_01/VREF_PADS
MPP_02/EXT_BOOST_EN
MPP_03/VREF_DAC
MPP_04/PRIVACY_LED
MPP_05/ENET_LDO_EN
MPP_06/ENET_RST_N
MPP_07/NFC_EXT_EN
MPP_08/MHL_RESET_N
VREG_XO/VREG_L7
VREG_RF_CLK/VREG_L5
XO_OUT_DIFF_N
XO_OUT_DIFF_P
SLEEP_CLK
VSW_S1
VSW_S3
VREG_L13
VREG_L19
VREG_L20
VREG_5V_SNS
VREG_5V_1
VREG_5V_2
GND_5V
VREG_FAULT
VREG_WLED
VSW_WLED
WLED_SNK1
WLED_SNK2
WLED_SNK3
GPLED_SRC1
GPLED_SRC2
GPLED_SRC3
GPLED_SRC4
GPLED_SNK1
GPLED_SNK2
GPLED_SNK3
GPLED_SNK4
RGB_BLU/GP_LED_DRV2
RGB_GRN/GP_LED_DRV1
RGB_RED/LED_ATC/GP_LED_DRV0
FLASH_DRV_1
FLASH_DRV_2
USB_OTG_IN
USB_IN_1
USB_IN_2
USB_IN_3
DC_IN_1
DC_IN_2
DC_IN_3
DC_IN_OVP_CTL
DC_IN_OVP_SNS
OVP_CP_DRV
OVP_OUT_1
OVP_OUT_2
VCHG_SNS
VCHG_1
VCHG_2
GND_CHG_HP_1
GND_CHG_HP_2
BATFET_CP_DRV
VBAT_SNS
VBAT_1
VBAT_2
VBAT_3
VREG_BMS
VSW_SMBC_1
VSW_SMBC_2
VPH_PWR_1
VPH_PWR_2
VPH_PWR_3
VDD_L1_3
VDD_L2_LVS1_2_3
VDD_L4_11
VDD_L5_7
VDD_L6_12_14_15
VDD_L8_16_18_19
VDD_L9_10_17_22
VDD_L13_20_23_24
VDD_L21
VSW_5V_1
VSW_5V_2
VDD_MSM_IO
VDD_WLED
WLED_CABC
VDD_GPLED
VDD_RGB
VDD_FLASH
VDD_TORCH
100KTOL=0.01R4114
+1V8_VREG_L8
UIM1_VREG_L9
TP4109
+1V8_VREG_L8
TP4110
+1V8_VREG_LVS3
BAT4100
311HR-VG1
SMZY0023501
DNIC4108
+1V8_VREG_S3A
+1V3_VREG_S1A
C4113 470n
+VPWR
C4100
10u
+VPWR
+VPWR
150KTOL=0.01R4105
+VPWR
R4112 33 TOL=0.01
TOL=0.0133R4111
SDC_UIM_VREF
TX_DAC0_VREF
DNI
R4109
+1V3_VREG_S1A
+2V15_VREG_S2A
PHY_VBUS
+1V8_VREG_S3A
+1V8_VREG_LVS2
+1V8_VREG_LVS1
+5V0_VREG
+VPWR
+VPWR
+VPWR
+2V15_VREG_S2A
+1V8_VREG_L8
+VPWR
+1V2_VREG_L1
+1V2_VREG_L2
+1V0_VREG_L3
+1V3_VREG_L4
+1V8_VREG_L6
+1V8_VREG_L12
+2V95_VREG_L13
+1V8_VREG_L14
+2V05_VREG_L15
+2V7_VREG_L16
+3V0_VREG_L17
+2V7_VREG_L18
+2V95_VREG_L20
+5V0_VREG
+5V0_VREG
C4144 0.1u
C4129 4.7u
C4133 4.7u
VREG_BOOST_BYPASS
TP4102
TP4101
+3V3_VREG_L23
+3V075_VREG_L24
CHG_SYSON_USBIN
VCHG
1uC4141
C4138 4.7u
C4137 4.7u
C4124 4.7u
C4121
4.7u
+1V8_VREG_S3A
+VPWR
VCHG
BLUE_LED_DRV
GREEN_LED_DRV
RED_LED_DRV
TP4108
TP4113
C41030.1u
R4103 10K
TOL=0.01100KR4106
TP4100
100nC4111
22u
C4110
4.7uC4102
C4114
1u
C4146 1u
C4145 1u
R4118 47K
C4151 1u
C4101 4.7u
C4120
22u
C4104 2.2u
WTR0_XO_IN
PMIC_SPMI_CLK
PMIC_SPMI_DATA
TX_GTR_THRESH
+VPWR
MSM_RESIN_N
VBAT_SENSE
JTAG_PS_HOLD
CODEC_MCLK
PHONE_ON_N
XO_OUT_D_0_EN
+2V15_VREG_S2A
BOOST_BYP_BYP
BOOST_BYP_BYP
SLEEP_CLK
VCOIN
VCOIN
VREF_BAT_THERM
P_ON_OUT
PCB_REVISION
PCB_REVISION
RGB_LED_EN
KEY_DOWN
KEY_UP
VBAT_SENSE_N
VBAT_SENSE_P
VBAT_THERM
TOUCH_MAKER_ID
EAR_MIC_JACK
LDAF_EN
MSM_PS_HOLD
XO_OUT_D_0
XO_OUT_D_0_CXO
BATT_UIM_ALARM
FLASH_STROBE_TRIG
PA_THERM_0
VREF_LPDDR3_DQ
VREF_LPDDR3_CA
XO_OUT_D_1
SLIMPORT_IO_EN
SLIMPORT_AVDD_EN
SLIMPORT_CBL_DET
SLIMPORT_RESET_N
PM_USB_ID
ANX_PDWN_CTL
AMP_RESET_N
FLASH_DRV_1
FLASH_DRV_2
WL_CHG_INT
OTG_EN
WLC_FULL_CHG
USB_SS_CLK_P
USB_SS_CLK_M
+1V8_VREG_L10
LCD_MAKER_ID
LCD_RESET_N
EXT_CHG_INT
EXT_CHG_EN
EXT_CHG_PG
EXT_CHG_STAT
NFC_CLK_REQ
REV.B
REV.B
REV.B
REV.B
rev.B
rev.B
REV10
12/26
12/26
1/23
rev.B
rev.B
11/14
1/23
if WCM5110, CODEC_SLEEP_CLK need to check
Bhelper LDO
PM8941 ES3 : DNI
Placeholder R4110 is required until Qualcomm
GND_S1
SD card
RE-DRIVE--> MOTOR
TOUCH DVDD
Touch IO
PCB_Revision
S1
Function
75K
QCT REF REV_H 13K->30.9K
Type
Default
Range Current
Default
HF_SMPS 1.3V 1.2V - 1.5V 2000mA Y
HF_SMPS 1.8V - 2.3V Y1000mA2.15VS2
Specified Programmable
Range
0.375V - 3.05V
0.375V - 3.05V
2000mA1.75V - 1.85V1.8VS3 HF_SMPS Y
QCT platform uses battery FET Rds,on as sense resistor for BMS.
It can use external sense resistor if required.
0.375V - 3.05V
Y
DNI(100K,1%)
LDOs load caps can be DNIed depending on routing width.(max 5cm trace length)
DNI(0 ohm)
QCT REF REV_C DNIed CAP
1200mA0.75V - 1.525V1.2V - 1.25V1.225VL1 NMOS LDO
300mA0.75V - 1.525V1.1V - 1.45V1.2VNMOS LDOL2
51K
L3 300mA1.1V - 1.45V1.2V
39K
0.75V - 1.525VNMOS LDO
L4 1200mA1.1V - 1.45V1.2V
27K
0.75V - 1.525VNMOS LDO
On-Chip only1.74VL5 1.7V - 2.2V
20K
100K
Low Noise LDO
150mA1.8VL6 1.7V - 1.9V Y1.5V - 4.9VPMOS LDO
1.7V - 2.2V
100K
100K
1.74V On-Chip onlyLow Noise LDOL7
100K
50mA1.8VPMOS LDOL8 1.7V - 1.9V
Y150mA1.8VPMOS LDOL9 1.7V - 3.05V
L10
100K
150mA1.8VPMOS LDO 1.7V - 3.05V
D
1.225V
C
0.000
1.017
1.800
0.771
0.900
B
A
100K
DNI
130K
100K
1.0
1.1
F
E
100K
100K
100K
DNI
0.505
0.680
0.383
0.300
EVB
VDD_L1_3, L4_11(LPDDR, WCD, RF, WLAN)
VDD_L6_12_14_15, VDD_L5_7, WCD_VDD_BUCK
VDD_DDR_CORE, VDD_P7, VDD_P3,
VDD_L2_LVS1_2_3, PMIO, VCC_EMMC , WCD_IO
WTR0/1_VDD_DIG, Wi-Fi VIO, Fuel Gauge
Sensors IO
VT camera IO
1.3V, 2A, 3.2MHz
2.15V, 1A, 1.6MHz
1.8V, 2A, 3.2MHz
1.8V, 300mA
1.8V, 300mA
1.8V, 300mA
1.225V, 1.2A
1.2V, 300mA
1.2V, 300mA
1.2V, 1.2A
1.8V, 150mA
1.8V, 50mA
1.8V, 150mA
1.8V, 150mA
1.225V, 1.2A
1.8V, 300mA
2.95V, 150mA
1.9V, 150mA
2.05V, 600mA
2.75V, 150mA
2.8V, 300mA
2.85V, 300mA
2.9V, 600mA
2.95V, 600mA
2.95V, 600mA
3V, 300mA
3V3, 300mA
3.075V, 50mA
Input to 5V switch(HDMI,OTG)
5V, 1.3A
5V, 500mA
5V, 55mA
VDD_DDR_CORE, VDD_P1, WCD, WCN, P4/P7(OPT), VCC_EMMC(OPT)
MIPI_DSI - analog
13M CAM DIGITAL CORE
RFIC low-V; MSM analog low-V
USB; WCN XO; PMIC low power XO output buffers
PCB revision
L11
MSM VDD_P5, UIM1
Ear-jack Mic-Bias
WCN3680
RFIC - low V
MSM PLLs, MIPI_DSI, MIPI_CSI, HDMI, EDP; MIPI_DSI I/Os, QFRROM, LCD_IO
MSM VDD_P2
MSM Analog - high V
front-end, RF switches, GPS LNA
VT camera AVDD
1200mA0.75V - 1.525VNMOS LDO 1.2V - 1.4V
Sensors AVCC
MOTOR -->WCN3680
eMMC
1.8VL12 300mAPMOS LDO 1.7V - 1.9V
150mA2.75V - 3.0V2.95VL13 YPMOS LDO
150mA1.7V - 2.1V1.9VPMOS LDOL14
2.0V - 2.1V2.05VPMOS LDOL15 600mA
150mA2.6V - 3.0V2.75VL16
HS-USB high-voltage
PMOS LDO
300mA2.7V - 3.0V2.8VL17
Schottky barrier
PMOS LDO
On
Rated
Voltage
Circuit
5V VREG Boost SMPS 5.0V 4.0V - 5.5V 4.00V - 5.50V 1300mA
300mA2.4V - 3.3V2.85VPMOS LDOL18
2.6V - 3.3V2.9VL19
GND_S3
600mAPMOS LDO
600mA2.75V - 3.05V2.95VL20 YPMOS LDO
2.75V - 3.05V2.95VPMOS LDO YL21 600mA
L22 2.6V - 3.3V3.0VPMOS LDO 300mA
2.6V - 3.3V3.0VPMOS LDOL23 300mA
L24 3.0V - 3.3V3.075VPMOS LDO 50mA Y
Y300mA
300mA
1.8VLVS1 Low V Switch
1.8VLow V SwitchLVS2 Y
Low V SwitchLVS3 300mA1.8V Y
5VS1 5V Switch 500mA5.0V Y
55mA5.0V5V Switch5VS2 Y
GND_S2
If external sense resistor is not used, BMS_CSP and BMS_CSM
must be tied to VBAT of PMIC.
0829 Using Rds : R15113,R15114(DNI), R15138,R15139(0ohm)
Using external Rsense : R15113,R15114(0ohm), R15138,R15139(DNI)
1.5mm
1.5V - 4.9V
1.5V - 4.9V
1.5V - 4.9V
1.5V - 4.9V
1.5V - 4.9V
1.5V - 4.9V
1.5V - 4.9V
1.5V - 4.9V
1.5V - 4.9V
1.5V - 4.9V
1.5V - 4.9V
1.5V - 4.9V
Note : VDD_L8_16_18_19 must be tied to VPWR.
1.5V - 4.9V
The Following PMIC input pins must be tied to output
of boost bypass(VPWR_BOOST_BYPASS) :
VDD_L9_10_17_22, VDD_L13_20_23_24, VDD_L21
Based on Reference Schematic
Release Date
CCDS CARD Information
2013.08.26
Rev.M
80-NA437-41_MSM8974-MSM8974AB_BASEBAND_REFERENCE_SCHEMATIC Rev.M
1.5V - 4.9V
Rev 0.3
PON_1 and PS_HOLD pins of PM8841.
PON_OUT of PM8941 must be connected to
Rev 0.3
even MPPs can be used as current sinks
Only odd MPPs can be used as analog outputs. Likewise, only
If WLED module is not used, following should be pin
terminations:
VDD_WLED ¡æ connect to VPH_PWR
VSW_WLED, VREG_WLED, WLED_SNKx ¡æ leave floating and
tie WLED_CABC to ground.
Rev 0.3
Rev 0.3
tie WLED_CABC to ground.
VSW_WLED, VREG_WLED,
WLED_SNKx ¡æ leave floating and
VDD_WLED ¡æ connect to VPH_PWR
terminations:
If WLED module is not used, following should be pin
be connected to VREG_5 V.
VDD_FLASH must be connected to VCHG; VDD_TORCH must
Rev 0.3
if S2B, S4B have two 47¥ìF load capacitors
R4108 should be 30.9 K¥Ø,
Rev 0.3
Rev 0.3
The AMUX_PU2 will be used in parallel with crystal thermmistor
has validated use of AMUX_PU2 for measuring XO temperature.
1.5V - 4.9V
Rev 0.3
leave XTAL_32K_OUT floating.
It is recommended to GND XTAL_32K_IN of PMIC to GND and
crystal. 19.2 MHz XO/856 is used to generate the SLEEP_CLK.
MSM8974 platform doesn't support use of external 32 kHz
1.5V - 4.9V
Rev 0.3
it is recommended to NC the pin
If BAT_ID pin is not used,
leave DC_IN_OVP_CTL floating.
battery connector.
A 47 k¥Ø resistor and 1¥ìF shunt RC filter is required on the
removal detection.
It's near by USB connector
USB_IN lines of the PMIC for noise rejection and for charger
Rev 0.3
short DC_IN_OVP_SNS to DC_IN and tie to GND;
If DC_IN path is not used,
Rev 0.3
to the positive terminal of
the PMIC is connected directly
Ensure that the BAT_SNS pin of
Rev 0.3
We can't find so 16V cap that we used 25V cap.
Rev_0.3
<4-1-2_PMIC_PM8941>
8/5
if WCD9320, need to check !
BOOST_BYP_BYP_RF not assigned
Connect pin 185 to GND directly using dedicated via
12/20
0125
1/9
rev.B
1/23
1/23
1/23
REV.B
REV.B
REV.B
REV.B
REV.B
rev.B
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