參數(shù)資料
型號(hào): TPS2058D
廠商: Texas Instruments, Inc.
英文描述: QUAD CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
中文描述: 四限流配電開關(guān)
文件頁數(shù): 21/24頁
文件大?。?/td> 424K
代理商: TPS2058D
TPS2048, TPS2058
QUAD CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
SLVS192 – APRIL 1999
21
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Figure 32. Bus-Powered Hub Implementation
DP1
DM1
DP2
DM2
DP3
DM3
DP4
DM4
PWRON1
OVRCUR1
PWRON2
OVRCUR2
PWRON3
OVRCUR3
PWRON4
OVRCUR4
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
TUSB2040
Hub Controller
Tuning
Circuit
A
B
C
D
33
μ
F
SN75240
A
B
C
D
GND
GND
GND
33
μ
F
33
μ
F
33
μ
F
D +
D –
Upstream
Port
SN75240
A
B
5 V
GND
C
D
1
μ
F
GND
Ferrite Beads
Ferrite Beads
Ferrite Beads
Ferrite Beads
BUSPWR
GANGED
IN
GND
3.3 V
4.7
μ
F
0.1
μ
F
4.7
μ
F
EN1
IN1
OC1
OUT1
OUT2
TPS2048
EN2
OC2
0.1
μ
F
0.1
μ
F
GND
USB rev 1.1 requires 120
μ
F per hub.
EN3
OC3
OUT3
OUT4
EN4
OC4
IN2
GND1
GND2
TPS76333
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