LG D337 - Page 78

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Only for training and service purposes
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RESETB
PWRKEY
PMU_TESTMODE
SYSRSTB
FSOURCE
INT
EXT_PMIC_EN
N12
A7
A9
A1
N2
M2
K4
SYS_RESIN_N
PM_KYPD_PWR_N
PMIC_INT
R9107
2
1
1K
TOL=0.01
D1
D2
CN9100
4
6
3
2
1
5
R9535 100K
TOL=0.01
2
1
VA9504
VA9503
TOL=0.01
62KR9532
21
100nC9518 100pC9519
1uC9520
VREF_BAT_THERM
TOL=0.01
4.7K
R9536
21
VBAT
1KR9533
TOL=0.01
100R9534
21
C9100
47u
2
1
BAT_ID
VBAT_THERM
BAT_ID_PULLUP
Routing Width 2mm
If battery NTC is 10kohm, R9101=16.9K, R9104=27K
If battery NTC is 47kohm, R9101=61.9K, R9104=100K
R9101, R9104 must to be close to PMIC AUXADC_REF pin.
+2V2_MTK_AVDD
+1V15_MTK_PROC
VPROC_1
VPROC_2
VPROC_3
VPROC_FB
GND_VPROC_FB
VPA_1
VPA_2
VPA_FB
VSYS
H14
D12
B14
A14
C12
B12
E14
D14
C14
L4130 680n
21
C4134 DNI C4135 2.2u
4_1_7_2_MT6323_POWER_V0_4_0402212754C4135C4135
+3V4_MTK_VPA
680nL4132
4_1_7_2_MT6323_POWER_V0_4_0402212754L4132L41324_1_7_2_MT6323_POWER_V0_4_0402212754L4132L4132
L4131 2.2u
21
GND_VPROC_FB
VPROC_FB
Layout : Differancial signal
2.2uH Rate current of the inductor should be larger than 1.5A
Near-end cap
DVDD18_DIG
DVDD18_IO
GND_ISINK
GND_LDO_1
GND_LDO_2
GND_LDO_3
GND_LDO_4
GND_LDO_5
F7
F6
F5
K8
K6
B10
A5
A8
1uC4144
+1V8_MTK_VIO
C4143 1u
10uC4141
10uC4142
Cap closed to MT6323.
PWR KEY(R9107)
BATTERY CONNECTOR(CN9100)
Core DC/DC INDUCTOR(L4130)
IO DC/DC Capacitor(C4109)