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TPS2552DBV

更新时间： 2024-11-20 07:04:47
品牌 Logo 应用领域
德州仪器 - TI 电源电路开关电源管理电路光电二极管
页数 文件大小 规格书
31页 1983K
描述
PRECISION ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

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TPS2552DBV 技术参数

生命周期：Obsolete零件包装代码：SOT-23
包装说明：PLASTIC, SOT-23, 6 PIN针数：6
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.15
Is Samacsys：N可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G6
长度：2.9 mm信道数量：1
功能数量：1端子数量：6
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：LSSOP
封装等效代码：TSOP6,.11,37封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH认证状态：Not Qualified
座面最大高度：1.45 mm最大供电电压 (Vsup)：6.5 V
最小供电电压 (Vsup)：2.5 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：0.95 mm
端子位置：DUAL宽度：1.6 mm
Base Number Matches：1

TPS2552DBV 数据手册

 浏览型号TPS2552DBV的Datasheet PDF文件第2页浏览型号TPS2552DBV的Datasheet PDF文件第3页浏览型号TPS2552DBV的Datasheet PDF文件第4页浏览型号TPS2552DBV的Datasheet PDF文件第5页浏览型号TPS2552DBV的Datasheet PDF文件第6页浏览型号TPS2552DBV的Datasheet PDF文件第7页 
TPS2552  
TPS2553, TPS2552-1, TPS2553-1  
www.ti.com...................................................................................................................................... SLVS841C–NOVEMBER 2008–REVISED SEPTEMBER 2009  
PRECISION ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES  
1
FEATURES  
DESCRIPTION  
2
•
•
•
•
•
•
Up to 1.5 A Maximum Load Current  
±6% Current-Limit Accuracy at 1.7 A (typ)  
Meets USB Current-Limiting Requirements  
Backwards Compatible with TPS2550/51  
Adjustable Current Limit, 75 mA–1700 mA (typ)  
The  
TPS2552/53  
and  
TPS2552-1/53-1  
power-distribution switches are intended for  
applications where precision current limiting is  
required or heavy capacitive loads and short circuits  
are encountered and provide up to 1.5  
A of  
continuous load current. These devices offer a  
programmable current-limit threshold between 75 mA  
and 1.7 A (typ) via an external resistor. Current-limit  
accuracy as tight as ±6% can be achieved at the  
higher current-limit settings. The power-switch rise  
and fall times are controlled to minimize current  
surges during turn on/off.  
Constant-Current (TPS2552/53) and Latch-off  
(TPS2552-1/53-1) Versions  
•
•
•
•
•
•
Fast Overcurrent Response - 2-µS (typ)  
85-mΩ High-Side MOSFET (DBV Package)  
Reverse Input-Output Voltage Protection  
Operating Range: 2.5 V to 6.5 V  
Built-in Soft-Start  
TPS2552/53 devices limit the output current to a safe  
level by using a constant-current mode when the  
output load exceeds the current-limit threshold.  
TPS2552-1/53-1 devices provide circuit breaker  
functionality by latching off the power switch during  
overcurrent or reverse-voltage situations. An internal  
15 kV ESD Protection per IEC 61000-4-2 (with  
External Capacitance)  
•
UL Listed – File No. E169910  
reverse-voltage  
comparator  
disables  
the  
APPLICATIONS  
power-switch when the output voltage is driven higher  
than the input to protect devices on the input side of  
the switch. The FAULT output asserts low during  
overcurrent and reverse-voltage conditions.  
•
•
•
•
USB Ports/Hubs  
Digital TV  
Set-Top Boxes  
VOIP Phones  
TPS2552/53  
5V USB  
TPS2552/TPS2553  
DRV PACKAGE  
(TOP VIEW)  
TPS2552/TPS2553  
DBV PACKAGE  
(TOP VIEW)  
USB Data  
0.1 mF  
USB  
Port  
Input  
RFAULT  
100 kW  
IN  
OUT  
6
6
1
2
3
1
2
3
OUT  
ILIM  
IN IN  
GND GND  
EN  
OUT  
ILIM  
FAULT  
PAD  
120 mF  
5
4
5
4
ILIM  
EN  
FAULT  
RILIM  
Fault Signal  
Control Signal  
FAULT  
EN  
USB requirement only*  
20 kW  
GND  
EN = Active Low for the TPS2552  
EN = Active High for the TPS2553  
Add -1 to part number for lach-off version  
*USB requirement that downstream  
facing ports are bypassed with at least  
120 mF per hub  
Power Pad  
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.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2008–2009, Texas Instruments Incorporated  
 
 
 
 
 
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