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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
L1402
2.2u
L4103
2.2u
L4104
2.2u
D10000
C4115
47u
C4117
47u
C4135
2.2u
2.2u
C4136
R4115
DNI
2.2u
C4106
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
10
K
TP4114
30.9KTOL=0.01
R4107
1u
C4123
1u
C4132
1u
C4126
1u
C4122
C4127
1u
1u
C4131
1u
C4125
1u
C4128
1u
C4134
C4143
1u
0.1u
C4118
1n
C4119
1u
C4130
100n
C4112
2.2u
L4100
2
1
C4109
100n
C4105
2.2u
EAW61883401
19.2MHz
X1E0002910001
X4100
4
3
2
1 XTAL1
GND/Therm
XTAL2
Thermistor
+2V95_VREG_L21
4.7u
C4139
+VPW
R
R4119
DNI
DNI
R4104
TP4105
47u
C4116
4.7u
C4140
+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_DRV
2
GPIO_11/KYPD_DRV
3
GPIO_12/KYPD_DRV
4
GPIO_13/KYPD_DRV
5
GPIO_14/KYPD_DRV
6
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_I
D
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_VBU
S
BMS_CS
P
BMS_CS
N
VCOIN
VDD_S
1
VDD_S2
VDD_S
3
VREG_S1
VSW_S2_1
VSW_S2_2
VREG_S2
VREG_S3
VDRV_P
VREG_CHG
VPRE_CA
P
GPIO_01/KYPD_SNS
1
GPIO_02/KYPD_SNS
2
GPIO_03/KYPD_SNS
3
GPIO_04/KYPD_SNS
4
GPIO_05/KYPD_SNS
5
GPIO_06/KYPD_SNS
6
GPIO_07/KYPD_SNS
7
GPIO_08/KYPD_SNS
8
GPIO_09/KYPD_DRV
1
GPIO_15HS/CLK_CODE
C
GPIO_16HS/CLK_HAPTIC
S
GPIO_17HS/CLK_QPA1 GPIO_18HS/CLK_QPA2
GPIO_19/MIPI_DSI_RST_
N
GPIO_20/GOBI_PWR_E
N
GPIO_21/EXT_REG_EN1 GPIO_22/HS_DE
T
GPIO_23/KYPD_DRV
7
GPIO_24/KYPD_DRV
8
GPIO_25/KYPD_DRV
9
GPIO_26/KYPD_DRV10
GPIO_27/FLASH_STROB
E
GPIO_28/TX_GTR_THRESH GPIO_29/SD_W
P
GPIO_30/TS_CHGR_I
N
GPIO_31/BAT_ALARM GPIO_32/NFC_CLK_RE
Q
GPIO_33/PWM_LED_CTL1 GPIO_34/PWM_LED_CTL2 GPIO_35/PWM_LED_CTL3 GPIO_36/PWM_LED_CTL4
GND_06
GND_1
1
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_CT
L
DC_IN_OVP_SN
S
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_2
2
VDD_L13_20_23_2
4
VDD_L21
VSW_5V_1 VSW_5V_2
VDD_MSM_I
O
VDD_WLE
D
WLED_CAB
C
VDD_GPLED
VDD_RGB
VDD_FLASH VDD_TORCH
100KTOL=0.01
R4114
+1V8_VREG_L8
UIM1_VREG_L9
TP4109
+1V8_VREG_L8
TP4110
+1V8_VREG_LVS3
BAT4100
311HR-VG1
SMZY0023501
DNI
C4108
+1V8_VREG_S3
A
+1V3_VREG_S1
A
C4113
470n
+VPWR
C4100
10u
+VPW
R
+VPWR
150KTOL=0.01
R4105
+VPW
R
R4112
33 TOL=0.01
TOL=0.01
33
R4111
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
+VPW
R
+VPW
R
+VPWR
+2V15_VREG_S2
A
+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_VRE
G
+5V0_VREG
C4144
0.1u
C4129
4.7u
C4133
4.7u
VREG_BOOST_BYPASS
TP4102
TP4101
+3V3_VREG_L23
+3V075_VREG_L24
CHG_SYSON_USBI
N
VCHG
1u
C4141
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
C4103
0.1u
R4103
10K
TOL=0.01
100K
R4106
TP4100
100n
C4111
22u
C4110
4.7u
C4102
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_E
N
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_ALAR
M
FLASH_STROBE_TRIG
PA_THERM_0
VREF_LPDDR3_DQ
VREF_LPDDR3_CA
XO_OUT_D_1
SLIMPORT_IO_EN
SLIMPORT_AVDD_EN
SLIMPORT_CBL_DE
T
SLIMPORT_RESET_N
PM_USB_ID
ANX_PDWN_CT
L
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_E
N
EXT_CHG_P
G
EXT_CHG_STA
T
NFC_CLK_RE
Q
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
Y
1000mA
2.15V
S2
Specified
Programmable
Range
0.375V - 3.05V
0.375V - 3.05V
2000mA
1.75V - 1.85V
1.8V
S3
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
1200mA
0.75V - 1.525V
1.2V - 1.25V
1.225V
L1
NMOS LDO
300mA
0.75V - 1.525V
1.1V - 1.45V
1.2V
NMOS LDO
L2
51K
L3
300mA
1.1V - 1.45V
1.2V
39K
0.75V - 1.525V
NMOS LDO
L4
1200mA
1.1V - 1.45V
1.2V
27K
0.75V - 1.525V
NMOS LDO
On-Chip only
1.74V
L5
1.7V - 2.2V
20K
100K
Low Noise LDO
150mA
1.8V
L6
1.7V - 1.9V
Y
1.5V - 4.9V
PMOS LDO
1.7V - 2.2V
100K
100K
1.74V
On-Chip only
Low Noise LDO
L7
100K
50mA
1.8V
PMOS LDO
L8
1.7V - 1.9V
Y
150mA
1.8V
PMOS LDO
L9
1.7V - 3.05V
L10
100K
150mA
1.8V
PMOS 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
1200mA
0.75V - 1.525V
NMOS LDO
1.2V - 1.4V
Sensors AVCC
MOTOR -->WCN3680
eMMC
1.8V
L12
300mA
PMOS LDO
1.7V - 1.9V
150mA
2.75V - 3.0V
2.95V
L13
Y
PMOS LDO
150mA
1.7V - 2.1V
1.9V
PMOS LDO
L14
2.0V - 2.1V
2.05V
PMOS LDO
L15
600mA
150mA
2.6V - 3.0V
2.75V
L16
HS-USB high-voltage
PMOS LDO
300mA
2.7V - 3.0V
2.8V
L17
Schottky barrier
PMOS LDO
On
Rated
Voltage
Circuit
5V VREG
Boost SMPS
5.0V
4.0V - 5.5V
4.00V - 5.50V
1300mA
300mA
2.4V - 3.3V
2.85V
PMOS LDO
L18
2.6V - 3.3V
2.9V
L19
GND_S3
600mA
PMOS LDO
600mA
2.75V - 3.05V
2.95V
L20
Y
PMOS LDO
2.75V - 3.05V
2.95V
PMOS LDO
Y
L21
600mA
L22
2.6V - 3.3V
3.0V
PMOS LDO
300mA
2.6V - 3.3V
3.0V
PMOS LDO
L23
300mA
L24
3.0V - 3.3V
3.075V
PMOS LDO
50mA
Y
Y
300mA
300mA
1.8V
LVS1
Low V Switch
1.8V
Low V Switch
LVS2
Y
Low V Switch
LVS3
300mA
1.8V
Y
5VS1
5V Switch
500mA
5.0V
Y
55mA
5.0V
5V Switch
5VS2
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)
1.5m
m
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 assigne
d
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