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TPS2014 Datasheet(PDF) 23 Page - Texas Instruments

Part # TPS2014
Description  CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES
PDF  37 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS2014 Datasheet(HTML) 23 Page - Texas Instruments

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† USB rev 1.1 requires 120
µF per hub.
DP1
DM1
DP2
DM2
DP3
DM3
DP4
PWRON1
OVRCUR1
PWRON2
OVRCUR2
PWRON3
OVRCUR3
PWRON4
OVRCUR4
DM4
DP0
DM0
VCC
XTAL1
XTAL2
OCSOFF
SN75240
D +
D −
5 V
GND
D +
D −
5 V
D +
D −
5 V
D +
D −
5 V
48-MHz
Crystal
Downstream
Ports
TUSB2041B
Hub Controller
Tuning
Circuit
A
B
C
D
33
µF†
SN75240
A
B
C
D
GND
GND
GND
33
µF†
33
µF†
33
µF†
D +
D −
Upstream
Port
TPS2041B
SN75240
A
B
5 V
GND
C
D
1
µF
IN
GND
Ferrite Beads
Ferrite Beads
Ferrite Beads
Ferrite Beads
BUSPWR
GANGED
Tie to TPS2041B EN Input
OC
EN
OUT
5-V Power
Supply
IN
GND
3.3 V
4.7
µF
0.1
µF
4.7
µF
GND
EN
OC
IN
TPS2041B
OUT
EN
OC
IN
TPS2041B
OUT
EN
OC
IN
TPS2041B
OUT
EN
OC
IN
TPS2041B
OUT
TPS76333
0.1
µF
0.1
µF
0.1
µF
0.1
µF
TPS2041B,, TPS2042B
TPS2043B, TPS2044B, TPS2051B
TPS2052B, TPS2053B, TPS2054B
SLVS514E – APRIL 2004 – REVISED JANUARY 2006
APPLICATION INFORMATION (continued)
Figure 33. Hybrid Self / Bus-Powered Hub Implementation, TPS2041B/TPS2051B
23



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