TPS2041B, TPS2042B
TPS2043B, TPS2044B, TPS2051B
TPS2052B, TPS2053B, TPS2054B
www.ti.com .................................................................................................................................................. SLVS514J–APRIL 2004–REVISED DECEMBER 2008
TUSB2041B
Hub Controller
SN75240
Tie to TPS2041B EN Input
BUSPWR
GANGED
Downstream
Ports
Upstream
Port
A
B
C
D
DP1
DM1
D +
D −
DP0
DM0
D +
D −
Ferrite Beads
A
B
C
D
GND
5 V
†
GND
SN75240
DP2
DM2
TPS2041B
33 µF
5-V Power
Supply
OC
IN
EN
OUT
DP3
DM3
5 V
D +
D −
A
B
C
D
1 µF
Ferrite Beads
TPS76333
IN
SN75240
GND
DP4
DM4
0.1 µF
4.7 µF
V
CC
3.3 V
GND
5 V
†
4.7 µF
TPS2041B
PWRON1
EN
OC
IN
GND
33 µF
OVRCUR1
0.1 µF
0.1 µF
0.1 µF
OUT
D +
D −
TPS2041B
48-MHz
Crystal
PWRON2
EN
OC
IN
XTAL1
XTAL2
Ferrite Beads
OVRCUR2
GND
5 V
†
OUT
Tuning
Circuit
TPS2041B
PWRON3
EN
OC
IN
33 µF
OVRCUR3
OCSOFF
GND
OUT
D +
D −
TPS2041B
Ferrite Beads
PWRON4
EN
OC
IN
GND
OVRCUR4
0.1 µF
OUT
5 V
†
33 µF
†
USB rev 1.1 requires 120 µF per hub.
Figure 33. Hybrid Self / Bus-Powered Hub Implementation, TPS2041B/TPS2051B
Copyright © 2004–2008, Texas Instruments Incorporated
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Product Folder Link(s): TPS2041B TPS2042B TPS2043B TPS2044B TPS2051B TPS2052B TPS2053B TPS2054B