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參數資料
| 型號： | TPS2553DBV |
| 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： | PLASTIC, SOT-23, 6 PIN |
| 文件頁數： | 1/32頁 |
| 文件大小： | 2005K |
| 代理商： | TPS2553DBV |
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1
FEATURES
DESCRIPTION
APPLICATIONS
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)
www.ti.com...................................................................................................................................... SLVS841C – NOVEMBER 2008 – REVISED SEPTEMBER 2009
PRECISION ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
2
Up to 1.5 A Maximum Load Current
±6% Current-Limit Accuracy at 1.7 A (typ)
The
TPS2552/53
and
TPS2552-1/53-1
power-distribution
switches
are
intended
for
Meets USB Current-Limiting Requirements
applications
where
precision
current
limiting
is
Backwards Compatible with TPS2550/51
required or heavy capacitive loads and short circuits
Adjustable Current Limit, 75 mA–1700 mA (typ)
are encountered and provide up to 1.5 A of
continuous load current. These devices offer a
Constant-Current (TPS2552/53) and Latch-off
programmable current-limit threshold between 75 mA
(TPS2552-1/53-1) Versions
and 1.7 A (typ) via an external resistor. Current-limit
Fast Overcurrent Response - 2-S (typ)
accuracy as tight as ±6% can be achieved at the
85-m High-Side MOSFET (DBV Package)
higher current-limit settings. The power-switch rise
and fall times are controlled to minimize current
Reverse Input-Output Voltage Protection
surges during turn 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
15 kV ESD Protection per IEC 61000-4-2 (with
output load exceeds the current-limit threshold.
External Capacitance)
TPS2552-1/53-1
devices
provide
circuit
breaker
functionality by latching off the power switch during
UL Listed – File No. E169910
overcurrent or reverse-voltage situations. An internal
reverse-voltage
comparator
disables
the
power-switch when the output voltage is driven higher
USB Ports/Hubs
than the input to protect devices on the input side of
Digital TV
the switch. The FAULT output asserts low during
Set-Top Boxes
overcurrent and reverse-voltage conditions.
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 2008–2009, 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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS2553DBV1EVM-364 | 功能描述:交換機 IC 開發工具 TPS2553DBV1EVM-364 Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:USB Power Switches 工具用于評估:MAX4984E 工作電源電壓:2.8 V to 5.5 V |
| TPS2553DBVEVM-364 | 功能描述:交換機 IC 開發工具 TPS2553DBVEVM-364 Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:USB Power Switches 工具用于評估:MAX4984E 工作電源電壓:2.8 V to 5.5 V |
| TPS2553DBVR | 功能描述:電源開關 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 |
| TPS2553DBVR-1 | 功能描述:電源開關 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 |
| TPS2553DBVT | 功能描述:電源開關 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 |
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