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参数资料
| 型号： | TPS2554DRCT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | POWER SUPPLY SUPPORT CKT, PDSO10 |
| 封装： | PLASTIC, SON-10 |
| 文件页数： | 1/23页 |
| 文件大小： | 1035K |
| 代理商： | TPS2554DRCT |
PAD
1
2
3
4
GND
5
IN
9
6
OUT
7
8
ILIM0
10
FAULT
TPS2554/TPS2555
DRC PACKAGE
(TOP VIEW)
ILIM_SEL
IN
OUT
ILIM1
EN/EN
8/9
4
7
6
2/3
10
5
1
IN
FAULT
EN/EN
OUT
ILIM_SEL
ILIM0
Power
PAD
GND
ILIM1
TPS2554/55
100 nF
RFAULT
4.5 V to 5.5 V
FAULT Signal
Power Switch
Enable
Current Limit
Select
2x RILIMx
120 mF
VBUS
SLVSAM0
– JUNE 2011
Precision Adjustable Current-Limited, Power-Distribution Switches
1
FEATURES
APPLICATIONS
2
Meets USB Current-Limiting Requirements
USB Ports/Hubs
Adjustable Current Limit, 500 mA to 2.5 A (typ)
Digital TV
Two Independently-Settable, Current-Limit
Set-Top Boxes
Thresholds
VOIP Phones
Fast Overcurrent Response - 1.5
μs (typ)
DESCRIPTION
73-m
High-Side MOSFET
The TPS2554/55 power-distribution switches are
3.8-
μA Maximum Standby Supply Current
intended for applications where precision current
PowerPAD
Thermal Management
limiting is required or heavy capacitive loads and
Automatic Output Discharge when Disabled
short circuits are encountered. These devices offer a
Both High-Enable (TPS2554) and Low-Enable
programmable current-limit threshold between 500
(TPS2555) Versions Available
mA and 2.5 A (typ) via an external resistor.
TPS2554/55 devices limit the output current to a safe
level by switching into a constant-current mode when
the output load exceeds the current-limit threshold.
The
FAULT
logic
output
asserts
low
during
overcurrent and over-temperature conditions.
TPS2554/55 DRC Package and Typical Application Diagram
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
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS2554EVM-010 | 功能描述:交换机 IC 开发工具 TPS2554 Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:USB Power Switches 工具用于评估:MAX4984E 工作电源电压:2.8 V to 5.5 V |
| TPS2555DRCR | 功能描述:电源开关 IC - USB Prec Adj,Current-Ltd Pwr Dist Switch RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| TPS2555DRCT | 功能描述:电源开关 IC - USB Prec Adj,Current-Ltd Pwr Dist Switch RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| TPS2556DRBEVM-423 | 功能描述:交换机 IC 开发工具 Eval Mod for TPS2556 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:USB Power Switches 工具用于评估:MAX4984E 工作电源电压:2.8 V to 5.5 V |
| TPS2556DRBR | 功能描述:电源开关 IC - USB Prec Adj Current-Ltd Pwr-Dist Sw RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
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