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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
R6000
4.7K
R6015
0
R6024
10
R6023
10
SENSOR_3.0V
U13007 MAX14528
9
6
5
3
4
8
2
7
1
IN1
OUT1
IN2
OUT2
IC1
OVLO
IC2
GN
D
PGND
VCHG_OVP
0.1u
C6026
VCHG
C6027
4.7u
SENSOR_3.0V
SENSOR_3.0V
+1V8_TPS_VIO
1n
C6029
C6005
100u
C6030
0.47
u
10m
R6022
0.1u
C6006
4.7K
R6021
L6000
1u
U6006
8
7
6
5
9
4
10
3
11
2
12
1
13
14
15
16
17
PGND
NC6
NC5
NC4
VIN+
A1
VIN-
A0
VBUS
ALERT
GND
SDA
VS
SC
L
NC1
NC2
NC3
VBAT
VBAT_IN
VBAT_IN
1u
C6031
+1V8_TPS_VIO
+1V8_TPS_VIO
100K
R6025
D6000
VBAT
VBAT
U6000
C5
D2
D3
D1
A5
B5
A1
C1
B1
A4
A3
A2
D5
D4
C4
C3
C2
B2
B3
B4
I2CIN
IRQB
LX2
BST
GND
SCL
SFO
AVL
PG2
VICHG
CS
LX1
BYP
PG1
THM
BAT
DC1
PVL
DC2
SDA
R6014
47
m
VCHG_OVP
C6009
1u
1u
C6010
+1V8_TPS_VIO
C6008
1u
4.7u
C6028
C6007
2.2u
2.2u
C6016
R6004
4.7K
C6015
1u
USB_VBUS
C6020
1u
Q6001
1
3
2
G
D
S
C6025
1u
VBAT
+1V8_TPS_VIO
1M
R6016
U6004
19
5
15
14
13
7
6
17
4
3
2
18
9
8
16
10
11
1
12
VDN
NC1
GN
D
PWM/CLK
HEN
SCL
VDDP
NC5
NC2
NC3
VDD
LEN
SADD
SDA
GAIN
VDP
VBAT
NC4
PGND
1u
C6022
C6023
3.9n
C6021
2.2u
+1V8_TPS_VIO
10
K
R6019
+1V8_TPS_VIO
R6020
DNI
180K
R6012
1u
C6014
U6003
5
4
6
3
7
2
8
1
VCC
SCLK
D+
SDATA
D-
ALERT/THERM2
THERM
GND
100K
R6018
(0603)
100p
C6000
C6001
10n
10p
(0603)
C6002
C6003
(0603)
6p
VBAT_IN
1K
R6001
VBAT
C6012
10n
U6001
9
7
4
8
1
6
5
3
2
CELL
VDD
ALRT
QSTRT
CTG
SDA
GND
SCL
PGND
150
R6003
+1V8_TPS_VIO
100K
R6002
100K
R6017
Q6002
D
G
S
100
R6010
U6002
10
9
3
6
5
7
8
1
2
4
HSD2-
D-
D+
/OE
HSD1+
HSD2+
HSD1-
GN
D
VC
C
SEL
R6009
100
R6008
47K
0.1u
C6018
1n
C6019
100K
R6013
R6011
100K
VBAT
100
R6007
C6013
1u
R6006
4.7K
CN6000
4
3
2
1
D1
D2
VBAT
IFX_USB_DM
IFX_USB_DP
UART_TX_SW
UART_RX_SW
PWR_I2C_SDA
PWR_I2C_SDA
PWR_I2C_SDA
PWR_I2C_SDA
PWR_I2C_SDA
PWR_I2C_SCL
PWR_I2C_SCL
PWR_I2C_SCL
PWR_I2C_SCL
PWR_I2C_SCL
VIBE_PWM
AP_THERM_P
AP_THERM_N
THERM_ALERT_IRQ_N
SHDN
BATT_TEMP
GAUGE_INT
UART_RX
UART_TX
VIB_L_N
VIBE_EN
UART_SW1
CHARGER_IRQB
BATT_ID
VIB_L_P
CURRENT_ALERT_IRQ_N
2mm
10V
50V
2mm
CURRENT SENSE IC
25V
OVP_VCHG
CHARGING IC
10V
10V
16V
Linear Motor Driver
THERMAL SENSOR
FUEL GAUGE
Close to batt. connector
BATTERY CONNECTOR
CP USB&UART SWITCH
SEL : LOW -> CP UART
SEL : HIGH -> CP USB
10V