LG GS290 Service Manual page 16

3. TECHNICAL BRIEF
–driver for Vibra Motor with adjustable voltages, soft startup / shutdown and current limitation
SM-POWER offers several control functions
– Power-on Reset Generator with logic state machine
– I2C bus interface
– I2C bus configurable mode control logic with ON (push-button or RTC), VCXOEN and LRF3EN (wake-up by
Bluetooth) inputs
– Programable interrupt channels to handle peripherals like SIM, MMC and USB
– Monitoring of charging functions
– Undervoltage Shut-Down
– Errorflags (volatile or non-volatile) from many power-supply functions and thermal sensor in order to debug
system
– Overtemperature Shut-Down
– Overtemperature Warning
– Support of S-GOLD standby power-down concept
– Support of S-GOLD Power-Down Pad Tristate Function
Table 6. LDO Output Table of SM-Power
LDO Net name Output Voltage Output Current
SD1 1V35_Core 1.35V 600mA
SD2 1V8_SD 1.8V 300mA
VAUX 2V9_VAF 2.9V 100mA
VIO 2V62_VIO 2.62V 100mA
VSIM 2V9_SIM 2.9V 70mA
VMME 2V8_VMME 2.9V 150mA
VUMTS 2V85_AMP 2.85V 110mA
VUSB VUSB 3.1V 40mA
VLED VLED 2.9V 10mA
VAUDIOa 2V5_VAUDA 2.5V 200mA
VAUDIOb 2V5_VAUDB 2.5V 50mA
VRF1 2V85_VRF 2.85V 150mA
VRF2 1V5_VRF 1,53V 100mA
VRF3 2V65_VBT 2.7V 150mA
VPLL 1V35_VPLL 1.35V 30mA
VRTC 2V11_RTC 2.11V 4mA
VAFC VAFC 2.65V 5mA
VVIB 2V8_VLCD 2.8V 140mA
LGE Internal Use Only - 32 -
Usage
Core & for LDO
Memory
Cam Auto Focus
Peripherals
SIM card
u-SD
Headset AMP
VUSB
Not used
Stereo headset, Mono earpiece
Analog parts of S-Gold
2.85 V supply for SMARTi-PM
RF transceiver
1.5 V supply for SMARTi-PM
RF transceiver
Bluetooth
S-GOLD3 PLL
Real Time Clock
Not used
LCD
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
PMIC
VUSB VBAT
FM_SPK_OUTP
VBAT FM_SPK_OUTN
VPLL_1V35 VIO_2V62 VBAT
C236 C238
1u 2.2u VBAT
FM_SPK_INN
FM_SPK_INP
USB_OEN
USB_DAT_VP
USB_SE0_VM
TXON_PA
SD_1V8 VAUDB_2V5 VBAT
VBAT
VAUDA_2V5 VFM_2V9
B1
RCV
C2
VPIN
D3
VMIN
C1
USB_DP D+
D2
USB_DM
D-
E3
PMRSTN RESET_N
D1
RESET2_N
E2
VCXO_EN SLEEP1_N
E1
BT_CLK_REQ SLEEP2_N
F2
VAUDIOA U202
F1
VDDAUDIOA
PMB6821
G2
VDDAUDIOB
G1
VAUDIOB
H2
VAUX
H1
VDDAUX
C207 C205 C200
1u 1u 1u J1
SU1_GATE
J2
SU1_GND
H3
SU1_FB
J3
SU1_ISENSE
K1
VDDSD2
K2
SD2_FB
L2
SD2_FBL
C204
0.1u
C234 C239 C209 C227 C226
C222
22u 2.2u 10u 2.2u 0.1u 2.2u
Figure 3. SM-Power Circuit Diagram of GS290
Micro USB Single Charging IC for uUSB
V_BUS
CN200
6
8
10
12
14
1 SC200
2
USW_DM
1 2
3
USW_DP
4
USW_ID
5
7
RPWRON_EN
9
C221 C220
DNI 22p 11
13
15
GU073-5P-SD-E1500
Figure 4 charging part
Copyright © 2010 LG Electronics. Inc. All right reserved. - 33 -
Only for training and service purposes
3. TECHNICAL BRIEF
R214
RTC_OUT ON_OFF2
27K
VBAT VBAT
RPWRON_EN
C241
1u
C214
0.1u
CORE_1V35 CAM_A_2V8 VSIM_2V9 VBT_2V65 SD_1V8
L201 VBAT
CAM_2V85 RTC_2V11 VRF_2V85 VRF_1V5 VMME_2V9
10u
C11
VMME
C10
VDDMME
D10
VDDRF2
D11
VRF2
E10
VRF3
E11
VDDRF13_AFC
F10
VRF1
F11
VVIB
G11
VDDSIMVIB
G10
VSIM
H11
VAFC
H10
VRTC
H9
VDDUMTS
J11
VUMTS
FB201
K11
VDDSD1
J10
SD1_FB
L10
SD1_FBL
C208 C240 C223 C237 C219 C230 C229 C228 C231 C202 C235
2.2u 1u 1u 1u 1u 2.2u 1u 2.2u 2.2u 1u
10u
V_BUS VIO_2V62
VIO_2V62 VIO_2V62 VBAT
11
PGND
1 10
IN BAT
2 9
U201
ISET _PG _PPR
3 BQ25040 8
VSS1 CHG _CHG_EOC
4 7
LDO VSS2
5 6
IFULL EN_SET _CHG_EN
C210 C212 C224
1u
1u
1u
(645mA) (105mA)
LGE Internal Use Only