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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 Fm

C

1

0.1 Fm

EN1

IN2:2.8Vto5.5V

IN1:2.8Vto5.5V

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

Low r

DS(on)

Switches:

• PDAs

• Digital Cameras

– 84 mΩ Typ (TPS2111A)

• Modems

– 120 mΩ 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

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.

2All trademarks are the property of their respective owners.

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.

TPS2110A

TPS2111A

SBVS043A –MARCH 2004–REVISED MARCH 2010

www.ti.com

This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with

appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.

ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more

susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.

AVAILABLE OPTIONS

FEATURE TPS2110A TPS2111A TPS2112A TPS2113A TPS2114A TPS2115A

0.31 A to 0.63 A to 0.31 A to 0.63 A to 0.31 A to 0.63 A to

Current Limit Adjustment Range

0.75 A 1.25 A 0.75 A 1.25 A 0.75 A 1.25 A

Manual Yes Yes No No Yes Yes

Switching Modes

Automatic Yes Yes Yes Yes Yes Yes

Switch Status Output No No Yes Yes Yes Yes

ORDERING INFORMATION

(1)

T

A

PACKAGE ORDERING NUMBER PACKAGE MARKING

TPS2110APW 2110A

−40°C to 85°C TSSOP-8 (PW)

TPS2111APW 2111A

(1) For the most current package and ordering information see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

ABSOLUTE MAXIMUM RATINGS

(1)

Over recommended operating junction temperature range, unless otherwise noted.

TPS2110A, TPS2111A UNIT

Input voltage range at pins IN1, IN2, D0, D1, VSNS, ILIM

(2)

−0.3 to 6 V

Output voltage range, V

O(OUT)

(2)

−0.3 to 6 V

TPS2110A 0.9

Continuous output current, I

O

A

TPS2111A 1.5

Continuous total power dissipation See Dissipation Ratings table

Operating virtual junction temperature range, T

J

Internally Limited

Human body model (HBM) 2 kV

ESD

Charged device model (CDM) 500 V

(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings

only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating

conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(2) All voltages are with respect to GND.

DISSIPATION RATINGS

DERATING FACTOR T

A

≤ 25°C POWER T

A

= 70°C POWER T

A

= 85°C POWER

PACKAGE ABOVE T

A

= 25°C RATING RATING RATING

TSSOP-8 (PW) 3.9 mW/°C 387 mW 213 mW 155 mW

Product Folder Link(s): TPS2110A TPS2111A

TPS2110A

TPS2111A

www.ti.com

SBVS043A –MARCH 2004–REVISED MARCH 2010

RECOMMENDED OPERATING CONDITIONS

TPS2110A, TPS2111A

MIN NOM MAX UNIT

V

I(IN2)

≥ 2.8 V 1.5 5.5

Input voltage at IN1, V

I(IN1)

V

I(IN2)

< 2.8 V 2.8 5.5

V

I(IN1)

≥ 2.8 V 1.5 5.5

Input voltage at IN2, V

I(IN2)

V

I(IN1)

< 2.8 V 2.8 5.5

Input voltage: V

I(DO)

, V

I(D1)

, V

I(VSNS)

0 5.5 V

TPS2110A 0.31 0.75

Current limit adjustment range, I

O(OUT)

A

TPS2111A 0.63 1.25

Operating virtual junction temperature, T

J

–40 125 °C

ELECTRICAL CHARACTERISTICS: Power Switch

Over recommended operating junction temperature, V

I(IN1)

= V

I(IN2)

= 5.5 V, and R

ILIM

= 400 Ω, unless otherwise noted.

TPS2110A TPS2111A

PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT

V

I(IN1)

= V

I(IN2)

= 5.0 V 120 140 84 110

T

J

= 25°C,

V

I(IN1)

= V

I(IN2)

= 3.3 V 120 140 84 110 mΩ

I

L

= 500 mA

Drain-source

V

I(IN1)

= V

I(IN2)

= 2.8 V 120 140 84 110

on-state

r

DS(on)

(1)

resistance

V

I(IN1)

= V

I(IN2)

= 5.0 V 220 150

(INx−OUT)

T

J

= 125°C,

V

I(IN1)

= V

I(IN2)

= 3.3 V 220 150 mΩ

I

L

= 500 mA

V

I(IN1)

= V

I(IN2)

= 2.8 V 220 150

(1) The TPS211xA can switch a voltage as low as 1.5 V as long as there is a minimum of 2.8 V at one of the input power pins. In this

specific case, the lower supply voltage has no effect on the IN1 and IN2 switch on-resistances.

ELECTRICAL CHARACTERISTICS

Over recommended operating junction temperature, V

I(IN1)

= V

I(IN2)

= 5.5 V, I

O(OUT)

= 0 A, and R

ILIM

= 400 Ω, unless otherwise

noted.

TPS2110A, TPS2111A

PARAMETER TEST CONDITIONS MIN TYP MAX UNIT

LOGIC INPUTS (D0 AND D1)

High-level input voltage V

IH

2 V

Low-level input voltage V

IL

0.7 V

D0 or D1 = High, sink current 1

Input current at D0 or D1 mA

D0 or D1 = Low, source current 0.5 1.4 5

SUPPLY AND LEAKAGE CURRENTS

D1 = High, D0 = Low (IN1 active),

55 90

V

I(IN2)

= 3.3 V

D1 = High, D0 = Low (IN1 active),

1 12

Supply current from IN1 (operating) mA

V

I(IN1)

= 3.3 V

D0 = D1 = Low (IN2 active), V

I(IN2)

= 3.3 V 75

D0 = D1 = Low (IN2 active), V

I(IN1)

= 3.3 V 1

D1 = High, D0 = Low (IN1 active),

1

V

I(IN2)

= 3.3 V

D1 = High, D0 = Low (IN1 active),

75

Supply current from IN2 (operating) mA

V

I(IN1)

= 3.3 V

D0 = D1 = Low (IN2 active), V

I(IN2)

= 3.3 V 1 12

D0 = D1 = Low (IN2 active), V

I(IN1)

= 3.3 V 55 90

Product Folder Link(s): TPS2110A TPS2111A

TPS2110A

TPS2111A

SBVS043A –MARCH 2004–REVISED MARCH 2010

www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

Over recommended operating junction temperature, V

I(IN1)

= V

I(IN2)

= 5.5 V, I

O(OUT)

= 0 A, and R

ILIM

= 400 Ω, unless otherwise

noted.

TPS2110A, TPS2111A

PARAMETER TEST CONDITIONS MIN TYP MAX UNIT

SUPPLY AND LEAKAGE CURRENTS, continued

D0 = D1 = High (inactive), V

I(IN2)

= 3.3 V 0.5 2

Quiescent current from IN1 (standby) mA

D0 = D1 = High (inactive), V

I(IN1)

= 3.3 V 1

D0 = D1 = High (inactive), V

I(IN2)

= 3.3 V 1

Quiescent current from IN2 (standby) mA

D0 = D1 = High (inactive), V

I(IN1)

= 3.3 V 0.5 2

Forward leakage current from IN1 D0 = D1 = High (inactive), IN2 open, V

O(OUT)

0.1 5 mA

(measured from OUT to GND) = 0 V (shorted), T

J

= 25°C

Forward leakage current from IN2 D0 = D1 = High (inactive), IN1 open, V

O(OUT)

0.1 5 mA

(measured from OUT to GND) = 0 V (shorted), T

J

= 25°C

Reverse leakage current to INx (measured D0 = D1 = High (inactive), V

I(INx)

= 0 V,

0.3 5 mA

from INx to GND) V

O(OUT)

= 5.5 V, T

J

= 25°C

CURRENT LIMIT CIRCUIT

R

ILIM

= 400 Ω 0.51 0.63 0.80

TPS2110A A

R

ILIM

= 700 Ω 0.30 0.36 0.50

Current limit accuracy

R

ILIM

= 400 Ω 0.95 1.25 1.56

TPS2111A A

R

ILIM

= 700 Ω 0.47 0.71 0.99

Time for short-circuit output current to settle

Current limit settling time t

d

1 ms

within 10% of its steady state value.

Input current at ILIM V

I(ILIM)

= 0 V, I

O(OUT)

= 0 A –15 0 mA

VSNS COMPARATOR

V

I(VSNS)

↑ 0.78 0.80 0.82

VSNS threshold voltage V

V

I(VSNS)

↓ 0.735 0.755 0.775

VSNS comparator hysteresis 30 60 mV

Deglitch of VSNS comparator (both ↑ ↓ ) 90 150 220 ms

Input current 0 V ≤ V

I(VSNS)

≤ 5.5 V –1 1 mA

UVLO

Falling edge 1.15 1.25

IN1 and IN2 UVLO V

Rising edge 1.30 1.35

IN1 and IN2 UVLO hysteresis 30 57 65 mV

Falling edge 2.4 2.53

Internal V

DD

UVLO

V

(the higher of IN1 and IN2)

Rising edge 2.58 2.8

Internal V

DD

UVLO hysteresis 30 50 75 mV

UVLO deglitch for IN1, IN2 Falling edge 110 ms

REVERSE CONDUCTION BLOCKING

D0 = D1 = high, V

I(INx)

= 3.3 V. Connect OUT

Minimum output-to-input

to a 5-V supply through a series 1-kΩ resistor.

voltage difference to block ΔV

O(I_block)

80 100 120 mV

Let D0 = low. Slowly decrease the supply

switching

voltage until OUT connects to IN1.

THERMAL SHUTDOWN

Thermal shutdown threshold TPS211xA is in current limit. 135 °C

Recovery from thermal shutdown TPS211xA is in current limit. 125 °C

Hysteresis 10 °C

IN2−IN1 COMPARATORS

Hysteresis of IN2−IN1 comparator 0.1 0.2 V

Deglitch of IN2−IN1 comparator (both ↑ ↓) 10 20 50 ms

Product Folder Link(s): TPS2110A TPS2111A

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