TPS2110A/TPS2111A

D0

D1

VSNS

ILIM

IN1

OUT

IN2

GND

8

7

6

5

1

2

3

4

R

L

R

ILIM

C

L

C

2

0.1

F

m

C

1

0.1

F

m

EN1

IN2:2.8Vto5.5V

IN1:2.8Vto5.5V

TPS2110A

TPS2111A

www.ti.com

SBVS043A – MARCH 2004 – REVISED MARCH 2010

AUTOSWITCHING POWER MUX

Check for Samples: TPS2110A, TPS2111A

1

FEATURES

APPLICATIONS

•

PCs

2

•

Two-Input, One-Output Power Multiplexer with

•

PDAs

•

Digital Cameras

–

84 m

Ω Typ (TPS2111A)

•

Modems

–

120 m

Ω Typ (TPS2110A)

•

Cell Phones

•

Reverse and Cross-Conduction Blocking

•

Digital Radios

•

Wide Operating Voltage Range: 2.8 V to 5.5 V

•

MP3 Players

•

Low Standby Current: 0.5 mA Typ

•

Low Operating Current: 55 mA Typ

DESCRIPTION

•

Adjustable Current Limit

The TPS211xA family of power multiplexers enables

•

Controlled Output Voltage Transition Time:

seamless transition between two power supplies,

Limits Inrush Current

such as a battery and a wall adapter, each operating

Minimizes Output Voltage Hold-Up

at 2.8 V to 5.5 V and delivering up to 1 A. The

Capacitance

TPS211xA

family

includes

extensive

protection

circuitry,

including

user-programmable

current

•

CMOS- and TTL-Compatible Control Inputs

limiting, thermal protection, inrush current control,

•

Manual and Auto-Switching Operating Modes

seamless

supply

transition,

cross-conduction

•

Thermal Shutdown

blocking, and reverse-conduction blocking. These

features greatly simplify designing power multiplexer

•

Available in a TSSOP-8 Package

applications.

space

space

space

space

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.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2004–2010, 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.