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TPS2115A-Q1 PDF预览

TPS2115A-Q1

更新时间: 2024-11-10 12:22:31
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德州仪器 - TI 复用器开关
页数 文件大小 规格书
20页 402K
描述
AUTO-SWITCHING POWER MULTIPLEXER

TPS2115A-Q1 数据手册

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TPS2115A-Q1  
www.ti.com ........................................................................................................................................................................................... SBVS124NOVEMBER 2008  
AUTO-SWITCHING POWER MULTIPLEXER  
1
FEATURES  
APPLICATIONS  
PCs  
PDAs  
Qualified for Automotive Applications  
Two-Input One-Output Power Multiplexer With  
Low rDS(on) Switch...84 m(Typ)  
Digital Cameras  
Modems  
Cell Phones  
Digital Radios  
MP3 Players  
Reverse and Cross-Conduction Blocking  
Wide Operating Voltage Range...2.8 V to 5.5 V  
Low Standby Current...0.5 µA (Typ)  
Low Operating Current...55 µA (Typ)  
Adjustable Current Limit  
PW PACKAGE  
(TOP VIEW)  
Controlled Output Voltage Transition Times  
Limit Inrush Current and Minimize Output  
Voltage Hold-Up Capacitance  
1
2
3
4
8
7
6
5
STAT  
D0  
IN1  
OUT  
IN2  
CMOS- and TTL-Compatible Control Inputs  
Manual and Auto-Switching Operating Modes  
Thermal Shutdown  
D1  
ILIM  
GND  
Available in TSSOP-8 (PW) Package  
DESCRIPTION/ORDERING INFORMATION  
The TPS2115A power multiplexer enables seamless transition between two power supplies, such as a battery  
and a wall adapter, each operating at 2.8 V to 5.5 V and delivering up to 1 A. The TPS2115A includes extensive  
protection circuitry including user-programmable current limiting, thermal protection, inrush current control,  
seamless supply transition, cross-conduction blocking, and reverse-conduction blocking. These features greatly  
simplify designing power multiplexer applications.  
Switch Status  
IN1  
2.8 V to 5.5 V  
TPS2115A  
R1  
0.1 µF  
1
2
3
4
8
7
6
5
IN1  
OUT  
IN2  
STAT  
D0  
NC  
D1  
R
L
C
L
ILIM  
GND  
R
ILIM  
IN2  
2.8 V to 5.5 V  
C2  
0.1 µF  
Figure 1. Typical Application  
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.  
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, Texas Instruments Incorporated  

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