TPS650250 Datasheet, PDF (24/35 Pages) Texas Instruments – Power Management IC for Li-Ion Powered Systems

TPS650250
SLVS843 – DECEMBER 2008 ........................................................................................................................................................................................... www.ti.com
APPLICATION INFORMATION
TYPICAL CONFIGURATION FOR THE SAMSUNG PROCESSOR S3C6400-533MHz
The typical configuration for the Samsung processor S3C6400-533MHz is shown in Figure 18.
Vcc
VIN
1 mF
VINDCDC1
VIN
10 mF
VIN ^{VINDCDC 2}
10 mF
VIN ^{VINDCDC 3}
10 mF
VIN ^DEFDCDC1
DEFDCDC 2
TPS 650250
DCDC 1
1600 mA
DCDC 2
800 mA
DCDC 3
800 mA
LDO 2
200 mA
EN_DCDC 1
EN_DCDC 2
EN_DCDC 3
VIN ^{VINLDO 1/2}
1 mF
EN_LDO 1/2
VIN ^{VIN EN_VDDalive}
R2
PWRFAIL _SNS
-
R3
+
1V
LDO 1
200 mA
L1 ^{3.3 mH}
VDCDC 1
L2 ^{2.2 mH}
VDCDC2
10 mF
10 mF
2.2 mH
L3
VDCDC 3
10 mF _R5
DEFDCDC3
R6
VLDO2
300 kW
FB_LDO 2
130 kW
VLDO1
33 kW
FB_LDO1
330 kW
2.2 mF
2.2 mF
Vdd_alive 1 V
1 mF
PWRFAIL
VIO
1M
S3C6400 -
533 MHz
VDDEXT (3.3V)
VDDMMC (3.3V)
VDDHI (3.3V)
VDDLCD (3.3V)
VDDPCM (3.3V)
VDDSYS (3.3V)
VDD _MEM 0 (1.8V)
VDD _MEM 1 (1.8V)
VDDARM (0.9V / 1.1V)
VDDADC (3.3V)
VDDDAC (3.3V)
VDDOTG (3.3V)
VDDUH (3.3V )
VDDOTGI (1.1V)
VDDALIVE
GND _{AGND, PowerPAD}
VIN
10 mF
VIN
EN ^EN
MODE
TPS62260
2.2 mH
SW
FB ^{22 pF}
GND
100 kW ^{10 mF}
150 kW
APLL (1 V)
EPLL (1 V)
MPLL (1 V)
VDDINT (1 V)
Figure 18. Samsung Processor Configuration
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