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參數(shù)資料
| 型號(hào)： | TPS2552DRVR-1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | GREEN, PLASTIC, SON-6 |
| 文件頁數(shù)： | 1/32頁 |
| 文件大?。?/td> | 1025K |
| 代理商： | TPS2552DRVR-1 |
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1
2
3
4
5
6
OUT
FAULT
ILIM
EN
GND
IN
PAD
1
2
3
4
5
6
OUT
FAULT
ILIM
EN
GND
IN
TPS2552/TPS2553
DBVPACKAGE
(TOP VIEW)
EN = ActiveLowfortheTPS2552
EN= ActiveHighfortheTPS2553
Add-1topartnumberforlach-offversion
OUT
IN
GND
FAULT
ILIM
EN
R
ILIM
20kW
R
FAULT
100kW
ControlSignal
5VUSB
Input
USB
Port
USBData
TPS2552/53
0.1 F
m
120 F
m
Fault Signal
PowerPad
USBrequirementonly*
*
facingportsarebypassedwithatleast
120 Fperhub
USBrequirementthatdownstream
m
TPS2552/TPS2553
DRVPACKAGE
(TOP VIEW)
SLVS841D
– NOVEMBER 2008 – REVISED JUNE 2011
PRECISION ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
1
FEATURES
DESCRIPTION
The
TPS2552/53
and
TPS2552-1/53-1
power-
2
Up to 1.5 A Maximum Load Current
distribution switches are intended for applications
±6% Current-Limit Accuracy at 1.7 A (typ)
where precision current limiting is required or heavy
Meets USB Current-Limiting Requirements
capacitive loads and short circuits are encountered
Backwards Compatible with TPS2550/51
and provide up to 1.5 A of continuous load current.
These devices offer a programmable current-limit
Adjustable Current Limit, 75 mA
–1300 mA (typ)
threshold between 75 mA and 1.7 A (typ) via an
Constant-Current (TPS2552/53) and Latch-off
external resistor. Current-limit accuracy as tight as
(TPS2552-1/53-1) Versions
±6% can be achieved at the higher current-limit
Fast Overcurrent Response - 2-
μs (typ)
settings. The power-switch rise and fall times are
85-m
High-Side MOSFET (DBV Package)
controlled to minimize current surges during turn
Reverse Input-Output Voltage Protection
on/off.
Operating Range: 2.5 V to 6.5 V
TPS2552/53 devices limit the output current to a safe
Built-in Soft-Start
level by using a constant-current mode when the
output load exceeds the current-limit threshold.
15 kV ESD Protection per IEC 61000-4-2 (with
TPS2552-1/53-1
devices
provide
circuit
breaker
External Capacitance)
functionality by latching off the power switch during
UL Listed
– File No. E169910 and NEMKO
overcurrent or reverse-voltage situations. An internal
IEC60950-1-am1 ed2.0
reverse- voltage comparator disables the power-
See the TI Switch Portfolio
switch when the output voltage is driven higher than
the input to protect devices on the input side of the
APPLICATIONS
switch.
The
FAULT
output
asserts
low
during
overcurrent and reverse-voltage conditions.
USB Ports/Hubs
Digital TV
Set-Top Boxes
VOIP Phones
Figure 1. Typical Application as USB Power Switch
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright
2008–2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS2552DRVT | 功能描述:電源開關(guān) IC - USB Adj Crnt-Ltd Pwr- Dist Sw RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2552DRVT | 制造商:Texas Instruments 功能描述:PCMCIA Memory Card IC |
| TPS2552DRVT-1 | 功能描述:電源開關(guān) IC - USB Adj Crnt-Ltd Pwr- Dist Sw RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2552DRVT-1 | 制造商:Texas Instruments 功能描述:PCMCIA Memory Card IC |
| TPS2553 | 制造商:TI 功能描述:intended for applications such as USB where heavy capacitive loads and short-circuits are likely to be encountered capacitive loads and short circuits (More...) |
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