Datasheet

10 Fm
VCC_3V3 (VDDIO)
VDCDC2
2.2 Hm
L2
VCC_1V8 (VDDIO_MEM)
10 Fm
VDCDC3
2.2 Hm
L3
VDD_PDN (1.2 V)
SYS
BAT
2 x 10 FmVINDCDC1/2
TS
NTC
AC
USB
ISET
2.2 Fm
1 Fm
1 Fm
LiIon
/PB_IN
DEFDCDC2
DEFDCDC3
VDD_PRE (1.2 V)
VLDO2
VDD_RTCIO
VIN
LDO
SYS
PB_OUT
EN_DCDC2
EN_DCDC3
X_PWR_EN
RESET
PGOOD
SCLK
SCLK
SDAT
SDAT
VIO
POWER_ON
GPIO (power hold)
set
charge
current
DCDC2
600 mA
DCDC3
600 mA
VINLDO1/2
SYS
1 Fm
4.7k
4.7k
LDO1
200 mA
LDO2
200 mA
ALTAS IV
BYPASS (2.25 V reference output)
INT
INT
wLED
boost
SYS
L4
1 Fm
charger / power path
ISINK1
ISINK2
ISET1
ISET2
ON /
OFF
FB_wLED
VDCDC1
2.2 Hm
L1
DCDC1
600 mA
10 Fm
VINDCDC3
EN_DCDC1
EN_wLED
TPS65072
BAT
INT_LDO
AVDD6
VDDPLL (1.2 V)
2.2 Fm
PB_INTERRUPT
EN
EN_EXTLDO
2.2 Fm
4.7 Fm
GPIO (enable wLED)
Note: /Reset to Atlas 4 may need to
be a RC delay from VDDIO
10 Fm
TPS65070, TPS65072, TPS65073
TPS650731, TPS650732, TPS650701, TPS650702, TPS650721
www.ti.com SLVS950G –JULY 2009–REVISED MAY 2013
Figure 51. Powering Atlas IV
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