參數(shù)資料
型號(hào): TPS2056P
廠商: Texas Instruments, Inc.
英文描述: DUAL CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
中文描述: 雙限流配電開(kāi)關(guān)
文件頁(yè)數(shù): 19/23頁(yè)
文件大?。?/td> 410K
代理商: TPS2056P
TPS2046, TPS2056
DUAL CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
SLVS183 – APRIL 1999
19
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
EN1
IN
OC1
OUT1
OUT2
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
TPS2046
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
EN2
OC2
EN1
IN
OC1
OUT1
OUT2
TPS2046
EN2
OC2
0.1
μ
F
0.1
μ
F
GND
USB rev 1.1 requires 120
μ
F per hub.
TPS76333
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