Datasheet

AGND
EN_LDO1(I2C)
THRESHOLD
Reset
10 Fm
VI/O
LDO2
200mA LDO
VLDO2
2.2 Fm
VLDO2
Vcore
LDO1
200mA LDO
VLDO1
2.2 Fm
VLDO1
EN_DCDC3
DEFDCDC3
DCDC1
STEP-DOWN CONVERTER
600mA
VDCDC1
PGND1
2.2 Hm
EN_DCDC1
L1
L4
Batt
TS
AC
Iset
SYS
10 Fm
DCDC2
STEP-DOWN CONVERTER
600mA / 1500mA
VDCDC2
PGND2/PAD
DEFDCDC2
EN_DCDC2
L2
Vmem
2.2 Hm
10 Fm
DCDC3
STEP-DOWN CONVERTER
600mA / 1500mA
VDCDC3
L3
2.2 Hm
22 Fm
PB_IN
Vref =1V
+
-
delay
PB_OUT
SYS
1 Fm
Isink1
PGND4/PAD
PGOOD
Isink2
VINLDO1/2
VIN_DCDC1/2
Power_ON
USB
FB_wLED
iset2
Charger/power path mgmt
Batt
AVDD6
INT_LDO
INTERNAL BIASING
BYPASS
TSX1 TSX2
TSY1
TSY2
Touch
screen
biasing
ANALOG MUX
Thermistor
biasing
AD_IN1
AD_IN2
AD_IN3
AD_IN4
I_Ch
V_TS
V_AC
V_USB
10 BIT SAR
ADC
V_SYS
V_BAT_SNS
AD_IN5
State
machine
SCLK
SDAT
I²C
ON/OFF circuitry / power good logic
undervoltage lockout
VIN_DCDC3
PGND3/PAD
EN_LDO2(I2C)
INT
iset1
AD_IN1
AD_IN2
AD_IN3
AD_IN4
wLED boost
I2C controlled
up to 25mA per string
Sequencing
AC
switch
USB
switch
BAT
switch
PGND(PAD)
SYS
4.7 Fm
(EN_wLED)
(EN_EXTLDO )
10 Fm
TPS65070, TPS65072, TPS65073
TPS650731, TPS650732, TPS650701, TPS650702, TPS650721
SLVS950G –JULY 2009–REVISED MAY 2013 www.ti.com
Functional Block Diagram
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Product Folder Links: TPS65070 TPS65072 TPS65073 TPS650731 TPS650732 TPS650701 TPS650702
TPS650721