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TPS2070 Datasheet(PDF) 26 Page - Texas Instruments

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Part # TPS2070
Description  FOUR-PORT USB HUB POWER CONTROLLERS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS2070 Datasheet(HTML) 26 Page - Texas Instruments

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TPS2070, TPS2071
FOUR-PORT USB HUB POWER CONTROLLERS
SLVS287A – SEPTEMBER 2000 – REVISED FEBRUARY 2001
26
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
68
µF
D+
D–
GND
5 V
0.1
µF
DP0
DM0
EECLK
EEDATA
EXTMEM
SUSPEND
C
D
A
B
SN75240
BUSPWR
RESET
VCC1_3.3
VCC2_3.3
0.1
µF
10
µF
XTAL1
XTAL2
33 pF
6 MHz
33 pF
1.5 k
TSTPLL
TSTMODE
GND
GND
PWRON1
OVRCUR1
PWRON2
OVRCUR2
PWRON3
OVRCUR3
PWRON4
OVRCUR4
EN1
OC1
EN2
OC2
EN3
OC3
EN4
OC4
3.3 V
4.7
µF
0.1
µF
SP
SP
GATE
6 V to 9 V
Supply
IRLZ24N
0.1
µF
68
µF
VEXT
PG
BPMODE
DP0_RST
1.5 k
BP
EN_REG
DGND
AGND
0.1
µF
0.01
µF
33
µF
PG_DLY
CP_M
CP_P
BP_DIS
VCP
D+
D–
GND
5 V
D+
D–
GND
5 V
C
D
A
B
SN75240
D+
D–
GND
5 V
D+
D–
GND
5 V
C
D
A
B
SN75240
33
µF
33
µF
33
µF
OUT4
OUT3
OUT2
OUT1
TPS2071
TUSB2046B
DM4
DP4
DM3
DP3
DM2
DP2
DM1
DP1
Downstream
Ports
0.1
µF
Upstream
Ports
0.1
µF
† This hybrid hub can also be implemented by connecting a 5-V power supply to the SP input of the TPS2071 and eliminating the external FET.
However, this type of implementation is best suited for the TPS2074/75 (refer to the TPS2074, TPS2075 data sheet for details).
Figure 38. USB Hybrid Hub Using TPS2071 Power Controller and TUSB2046 Hub Controller


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