TEXAS INSTRUMENTS TPS2041B, TPS2042B, TPS2043B, TPS2044B, TPS2051B Technical data

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TPS2041B

 

 

TPS2041B, TPS2042B

 

 

TPS2043B, TPS2044B, TPS2051B

DGN−8 D−8

D−16

TPS2052B, TPS2053B, TPS2054B

 

www.ti.com

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

 

CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES

FEATURES

70-mΩ High-Side MOSFET

500-mA Continuous Current

Thermal and Short-Circuit Protection

Accurate Current Limit (0.75 A min, 1.25 A max)

Operating Range: 2.7 V to 5.5 V

0.6-ms Typical Rise Time

Undervoltage Lockout

Deglitched Fault Report (OC)

No OC Glitch During Power Up

Maximum Standby Supply Current:

1-µA (Single, Dual) or 2-µA (Triple, Quad)

Bidirectional Switch

Ambient Temperature Range: -40°C to 85°C

ESD Protection

UL Recognized, File Number E169910

APPLICATIONS

Heavy Capacitive Loads

Short-Circuit Protections

 

TPS2041B/TPS2051B

 

TPS2042B/TPS2052B

D AND DGN PACKAGES

 

D AND DGN PACKAGES

 

 

 

 

 

(TOP VIEW)

 

 

 

 

 

 

 

 

 

 

(TOP VIEW)

 

 

 

 

GND

 

 

1

 

8

 

OUT

 

GND

 

 

1

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

OC1

 

IN

 

 

2

 

7

 

OUT

 

 

IN

 

 

2

 

7

 

OUT1

 

 

 

 

 

 

 

 

 

 

IN

 

 

3

 

6

 

OUT

 

 

 

²

 

 

3

 

6

 

OUT2

 

 

 

 

 

 

EN1

 

 

 

 

 

EN

²

 

 

4

 

5

 

OC

 

 

 

 

 

²

 

 

4

 

5

 

OC2

 

 

 

 

 

 

 

 

 

 

 

EN2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TPS2043B/TPS2053B

 

TPS2044B/TPS2054B

 

 

 

 

 

D PACKAGE

 

 

 

 

 

 

 

 

 

D PACKAGE

 

 

 

 

 

 

 

 

 

 

(TOP VIEW)

 

 

 

 

 

 

 

 

 

 

(TOP VIEW)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

1

 

16

 

 

 

 

 

GND

 

1

 

16

 

 

 

 

 

 

 

 

 

 

OC1

 

 

 

 

 

OC1

 

 

 

 

 

 

 

IN1

 

 

2

 

15

 

 

OUT1

 

IN1

 

2

 

15

 

OUT1

 

 

²

 

 

3

 

14

 

 

OUT2

 

 

²

 

3

 

14

 

OUT2

EN1

 

 

 

 

 

EN1

 

 

 

 

 

 

 

 

 

²

 

 

4

 

13

 

 

OC2

 

 

²

 

4

 

13

 

 

OC2

 

EN2

 

 

 

 

 

 

EN2

 

 

 

 

 

 

GND

 

 

5

 

12

 

 

OC3

 

GND

 

5

 

12

 

 

OC3

 

 

IN2

 

 

6

 

11

 

 

OUT3

 

IN2

 

6

 

11

 

OUT3

 

 

 

 

 

 

 

 

 

 

 

 

 

²

 

 

7

 

10

 

 

NC

 

²

 

7

 

10

 

OUT4

EN3

 

 

 

 

 

EN3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

 

8

 

9

 

 

NC

 

 

²

 

8

 

9

 

 

OC4

 

 

 

 

 

 

 

EN4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

²All enable inputs are active high for the TPS205xB series. NC − No connect

DESCRIPTION

The TPS204xB/TPS205xB power-distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered. These devices incorporates 70-mΩ N-channel MOSFET power switches for power-distribution systems that require multiple power switches in a single package. Each switch is controlled by a logic enable input. Gate drive is provided by an internal charge pump designed to control the power-switch rise times and fall times to minimize current surges during switching. The charge pump requires no external components and allows operation from supplies as low as 2.7 V.

When the output load exceeds the current-limit threshold or a short is present, the device limits the output current to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx) logic output low. When continuous heavy overloads and short-circuits increase the power dissipation in the switch, causing the junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures that the switch remains off until valid input voltage is present. This power-distribution switch is designed to set current limit at 1 A typically.

GENERAL SWITCH CATALOG

 

 

 

 

80 mΩ, dual

TPS2042B

500 mA

 

 

 

 

 

 

 

 

33 mΩ, single

TPS201xA

0.2 A − 2 A

 

TPS2052B

500 mA

Ω

80 mΩ, triple

80 mΩ, quad

Ω

 

 

TPS2046

250 mA

80 m

, dual

80 m

, quad

 

TPS202x

0.2 A − 2 A

 

 

 

 

 

 

 

 

 

 

 

TPS203x

0.2 A − 2 A

 

 

TPS2056

250 mA

 

 

 

 

 

 

 

 

 

 

 

 

 

TPS2062

1 A

 

 

 

 

 

 

 

 

 

 

 

 

 

TPS2066

1 A

 

 

 

 

 

 

 

 

80 mΩ, single

TPS2014

600 mA

 

260 mΩ

TPS2100/1

 

TPS2080

500 mA

 

 

 

 

 

 

 

TPS2015

1 A

IN1

 

IN1

500 mA

TPS2081

500 mA

TPS2043B 500 mA

 

 

 

 

 

TPS2041B

500 mA

 

IN2

10 mA

TPS2082

500 mA

TPS2053B 500 mA

TPS2044B

500 mA

TPS2085

500 mA

 

IN2

OUT

 

TPS2051B

500 mA

TPS2102/3/4/5

TPS2090

250 mA

TPS2047

250 mA

TPS2086

500 mA

 

 

TPS2054B

500 mA

 

TPS2045

250 mA

 

1.3 Ω

TPS2091

250 mA

TPS2057

250 mA

TPS2087

500 mA

 

 

IN1

500 mA

TPS2048

250 mA

 

 

TPS2095

250 mA

 

TPS2055

250 mA

 

 

IN2

100 mA

TPS2092

250 mA

 

 

TPS2058

250 mA

 

TPS2061

1 A

 

 

 

 

 

 

TPS2096

250 mA

 

 

 

 

 

 

 

 

 

 

 

 

TPS2065

1 A

 

 

 

 

 

 

 

 

 

 

TPS2097

250 mA

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.

Copyright © 2004–2006, 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.

 

TPS2041B, TPS2042B

TPS2043B, TPS2044B, TPS2051B

TPS2052B, TPS2053B, TPS2054B

www.ti.com

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

AVAILABLE OPTION AND ORDERING INFORMATION

 

 

RECOMMENDED

TYPICAL

 

PACKAGED DEVICES(1)

TA

ENABLE

MAXIMUM

SHORT-CIRCUIT

NUMBER OF

 

 

CONTINUOUS

CURRENT LIMIT

SWITCHES

MSOP (DGN)

SOIC (D)

 

 

LOAD CURRENT

AT 25°c

 

 

 

 

Active low

 

 

Single

TPS2041BDGN

TPS2041BD

 

Active high

 

 

Single

TPS2051BDGN

TPS2051BD

 

Active low

 

 

Dual

TPS2042BDGN

TPS2042BD

-40°C to 85°C

Active high

0.5 A

1 A

Dual

TPS2052BDGN

TPS2052BD

Active low

Triple

--

TPS2043BD

 

 

 

 

Active high

 

 

Triple

--

TPS2053BD

 

Active low

 

 

Quad

--

TPS2044BD

 

Active high

 

 

Quad

--

TPS2054BD

(1)The package is available taped and reeled. Add an R suffix to device types (e.g., TPS2042BDR)

ABSOLUTE MAXIMUM RATINGS

over operating free-air temperature range unless otherwise noted(1)

 

UNIT

Input voltage range, VI(IN), VI(INx) (2)

-0.3 V to 6 V

Output voltage range, VO(OUT), VO(OUTx) (2)

-0.3 V to 6 V

Input voltage range, VI(EN), VI(ENx), VI(EN), VI(ENx)

-0.3 V to 6 V

Voltage range, VI(/OC), VI(OCx)

-0.3 V to 6 V

Continuous output current, IO(OUT), IO(OUTx)

Internally limited

Continuous total power dissipation

See Dissipation Rating Table

Operating virtual junction temperature range, TJ

-40°C to 125°C

Storage temperature range, Tstg

-65°C to 150°C

Lead temperature soldering 1,6 mm (1/16 inch) from case for 10 seconds

260°C

Human body model MIL-STD-883C

2 kV

Electrostatic discharge (ESD) protection

500 V

Charge device model (CDM)

(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.

DISSIPATING RATING TABLE

PACKAGE

TA 25°C

DERATING FACTOR

TA = 70°C

TA = 85°C

 

POWER RATING

ABOVE TA = 25°C

POWER RATING

POWER RATING

DGN-8

1712.3 mW

17.123 mW/°C

941.78 mW

684.93 mW

D-8

585.82 mW

5.8582 mW/°C

322.20 mW

234.32 mW

D-16

898.47 mW

8.9847 mW

494.15 mW

359.38 mW

2

TPS2041B, TPS2042B TPS2043B, TPS2044B, TPS2051B

TPS2052B, TPS2053B, TPS2054B

www.ti.com

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

RECOMMENDED OPERATING CONDITIONS

 

MIN

MAX

UNIT

Input voltage, VI(IN), VI(INx)

2.7

5.5

V

Input voltage, VI(EN), VI(ENx), VI(EN), VI(ENx)

0

5.5

V

Continuous output current, IO(OUT), IO(OUTx)

0

500

mA

Operating virtual junction temperature, TJ

-40

125

°C

ELECTRICAL CHARACTERISTICS

over recommended operating junction temperature range, VI(IN) = 5.5 V, IO = 0.5 A, VI(/ENx) = 0 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS(1)

MIN TYP MAX UNIT

POWER SWITCH

 

 

rDS(on)

tr (2)

tf (2)

Static drain-source on-state

 

 

 

 

-40°C TJ 125°C

 

 

mΩ

resistance, 5-V operation

VI(IN) = 5 V or 3.3 V,

IO = 0.5 A

70

135

and 3.3-V operation

 

 

 

 

 

 

 

 

Static drain-source on-state

 

 

 

 

-40°C TJ 125°C

 

 

mΩ

resistance, 2.7-V

VI(IN) = 2.7

V,

IO = 0.5 A

75

150

operation(2)

 

 

 

 

 

 

 

 

Rise time, output

VI(IN) = 5.5

V

 

 

0.6

1.5

 

VI(IN)

= 2.7

V

C = 1 µF,

 

0.4

1

 

 

 

 

 

 

 

 

L

TJ = 25°C

 

 

ms

 

V

= 5.5

V

RL = 10 Ω

0.05

0.5

Fall time, output

I(IN)

 

 

 

 

 

 

 

VI(IN) = 2.7

V

 

 

0.05

0.5

 

 

 

 

 

ENABLE INPUT EN AND ENx

 

 

 

 

 

 

 

 

 

VIH

High-level input voltage

2.7 V VI(IN) 5.5 V

 

2

 

V

VIL

 

2.7 V VI(IN) 5.5 V

 

 

 

Low-level input voltage

 

 

 

0.8

II

 

Input current

VI(ENx) = 0 V or 5.5 V

 

-0.5

 

0.5 µA

t

(2)

Turnon time

C

L

= 100 µF, R

L

= 10 Ω

 

 

 

3

on

 

 

 

 

 

 

 

 

ms

t

(2)

Turnoff time

C

 

= 100 µF, R

 

= 10 Ω

 

 

 

L

L

 

 

 

10

off

 

 

 

 

 

 

 

 

 

CURRENT LIMIT

 

 

 

 

 

 

 

 

 

 

 

 

V = 5 V, OUT connected to GND,

TJ = 25°C

0.75

1

1.25

IOS

Short-circuit output current

I(IN)

 

 

 

 

 

A

device enabled into short-circuit

-40°C TJ 125°C

 

 

 

 

 

0.7

1

1.3

SUPPLY CURRENT (TPS2041B, TPS2051B)

Supply current, low-level output

Supply current, high-level output

Leakage current

Reverse leakage current

No load on OUT, VI(ENx) = 5.5 V, or VI(ENx) = 0 V

No load on OUT, VI(ENx) = 0 V, or VI(ENx) = 5.5 V

OUT connected to ground, VI(ENx) = 5.5 V, or VI(ENx) = 0 V

VI(OUTx) = 5.5 V, IN = ground(2)

SUPPLY CURRENT (TPS2042B, TPS2052B)

TJ = 25°C

0.5

1

-40°C TJ 125°C

 

µA

0.5

5

TJ = 25°C

43

60

-40°C TJ 125°C

 

µA

43

70

-40°C TJ 125°C

1

µA

TJ = 25°C

0

µA

 

No load on OUT, VI(ENx) = 5.5 V

TJ = 25°C

0.5

1

Supply current, low-level output

-40°C TJ 125°C

0.5

µA

 

 

 

 

5

 

No load on OUT, VI(ENx) = 0 V

TJ = 25°C

50

70

Supply current, high-level output

-40°C TJ 125°C

50

µA

 

 

 

 

90

Leakage current

OUT connected to ground, VI(ENx) = 5.5 V

-40°C TJ 125°C

1

µA

Reverse leakage current

V

I(OUTx)

= 5.5 V, IN = ground(2)

T = 25°C

0.2

µA

 

 

 

J

 

 

(1)Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately.

(2)Not tested in production, specified by design.

3

TPS2041B, TPS2042B

TPS2043B, TPS2044B, TPS2051B

TPS2052B, TPS2053B, TPS2054B

www.ti.com

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

ELECTRICAL CHARACTERISTICS (continued)

over recommended operating junction temperature range, VI(IN) = 5.5 V, IO = 0.5 A, VI(/ENx) = 0 V (unless otherwise noted)

PARAMETER

 

TEST CONDITIONS(1)

 

MIN TYP

MAX UNIT

SUPPLY CURRENT (TPS2043B, TPS2053B)

 

 

 

 

 

No load on OUT, VI(ENx) = 0 V

TJ = 25°C

0.5

2

Supply current, low-level output

-40°C TJ 125°C

0.5

µA

 

 

 

10

 

No load on OUT, VI(ENx) = 5.5 V

TJ = 25°C

65

90

Supply current, high-level output

-40°C TJ 125°C

65

µA

 

 

 

110

Leakage current

OUT connected to ground, VI(ENx) = 0 V

-40°C TJ 125°C

1

µA

Reverse leakage current

V

= 5.5 V, INx = ground(3)

T = 25°C

0.2

µA

 

I(OUTx)

 

J

 

 

SUPPLY CURRENT (TPS2044B, TPS2054B)

Supply current, low-level output

Supply current, high-level output

Leakage current

Reverse leakage current

UNDERVOLTAGE LOCKOUT

Low-level input voltage, IN, INx

Hysteresis, IN, INx

OVERCURRENT OC and OCx

Output low voltage, VOL(/OCx)

Off-state current(3)

OC deglitch(3)

THERMAL SHUTDOWN(4)

Thermal shutdown threshold(3)

Recovery from thermal shutdown(3)

Hysteresis(3)

No load on OUT, VI(ENx) = 5.5 V, or VI(ENx) = 0 V

No load on OUT, VI(ENx) = 0 V, or VI(ENx) = 5.5 V

OUT connected to ground, VI(ENx) = 5.5 V, or VI(ENx) = 0 V

VI(OUTx) = 5.5 V, INx = ground(3)

TJ = 25°C

IO(OCx) = 5 mA

VO(OCx) = 5 V or 3.3 V

OCx assertion or deassertion

(3)Not tested in production, specified by design.

(4)The thermal shutdown only reacts under overcurrent conditions.

TJ = 25°C

0.5

2

µA

-40°C TJ 125°C

0.5

10

 

TJ = 25°C

75

110

µA

-40°C TJ 125°C

75

140

 

-40°C TJ 125°C

1

 

µA

TJ = 25°C

0.2

 

µA

2

 

2.5

V

 

75

 

mV

 

 

0.4

V

 

 

1

µA

4

8

15

ms

135

 

 

°C

125

 

 

°C

 

10

 

°C

4

TPS2041B, TPS2042B TPS2043B, TPS2044B, TPS2051B

TPS2052B, TPS2053B, TPS2054B

www.ti.com

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DEVICE INFORMATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Terminal Functions (TPS2041B and TPS2051B)

 

TERMINAL

 

 

 

 

 

 

 

 

I/O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DESCRIPTION

NAME

TPS2041B

TPS2051B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EN

4

 

 

-

 

 

 

 

 

 

I

 

Enable input, logic low turns on power switch

EN

-

 

 

4

 

 

 

 

 

 

I

 

Enable input, logic high turns on power switch

GND

1

 

 

1

 

 

 

 

 

 

 

 

Ground

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IN

2, 3

 

 

2, 3

 

 

 

 

 

I

 

Input voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OC

5

 

 

5

 

 

 

 

 

 

O

 

Overcurrent open-drain output, active-low

OUT

6, 7, 8

 

6, 7, 8

 

 

 

O

 

Power-switch output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Functional Block Diagram (TPS2041B and TPS2051B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CS

(See Note A)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Charge

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pump

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Current

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Driver

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Limit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(See Note B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UVLO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermal

 

 

 

 

 

 

 

 

 

 

Deglitch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sense

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note A: Current sense

Note B: Active low (EN) for TPS2041B; Active high (EN) for TPS2051B

5

TPS2041B, TPS2042B

TPS2043B, TPS2044B, TPS2051B

TPS2052B, TPS2053B, TPS2054B

www.ti.com

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

Terminal Functions (TPS2042B and TPS2052B)

 

TERMINAL

 

I/O

DESCRIPTION

NAME

TPS2042B

TPS2052B

 

 

EN1

3

-

I

Enable input, logic low turns on power switch IN-OUT1

EN2

4

-

I

Enable input, logic low turns on power switch IN-OUT2

EN1

-

3

I

Enable input, logic high turns on power switch IN-OUT1

EN2

-

4

I

Enable input, logic high turns on power switch IN-OUT2

GND

1

1

 

Ground

IN

2

2

I

Input voltage

OC1

8

8

O

Overcurrent, open-drain output, active low, IN-OUT1

OC2

5

5

O

Overcurrent, open-drain output, active low, IN-OUT2

OUT1

7

7

O

Power-switch output, IN-OUT1

OUT2

6

6

O

Power-switch output, IN-OUT2

Functional Block Diagram (TPS2042B and TPS2052B)

 

 

 

OC1

GND

Thermal

 

Deglitch

Sense

 

 

 

 

EN1

 

 

 

(See Note B)

 

Current

 

 

Driver

 

 

Limit

 

 

 

 

Charge

 

 

 

Pump

 

 

 

 

 

(See Note A)

 

 

CS

OUT1

UVLO

 

 

 

 

 

(See Note A)

IN

 

CS

OUT2

Charge

 

 

 

Pump

 

 

 

 

Driver

Current

 

 

Limit

 

 

 

 

EN2

 

 

OC2

 

 

 

(See Note B)

 

 

 

 

Thermal

 

Deglitch

 

Sense

 

 

Note A: Current sense

 

 

 

Note B: Active low (ENx) for TPS2042B; Active high (ENx) for TPS2052B

 

6

TPS2041B, TPS2042B TPS2043B, TPS2044B, TPS2051B

TPS2052B, TPS2053B, TPS2054B

www.ti.com

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

Terminal Functions (TPS2043B and TPS2053B)

 

TERMINAL

 

I/O

DESCRIPTION

NAME

TPS2043B

TPS2053B

 

 

EN1

3

--

I

Enable input, logic low turns on power switch IN1-OUT1

EN2

4

--

I

Enable input, logic low turns on power switch IN1-OUT2

EN3

7

--

I

Enable input, logic low turns on power switch IN2-OUT3

EN1

--

3

I

Enable input, logic high turns on power switch IN1-OUT1

EN2

--

4

I

Enable input, logic high turns on power switch IN1-OUT2

EN3

--

7

I

Enable input, logic high turns on power switch IN2-OUT3

GND

1, 5

1, 5

 

Ground

IN1

2

2

I

Input voltage for OUT1 and OUT2

IN2

6

6

I

Input voltage for OUT3

NC

8, 9, 10

8, 9, 10

 

No connection

OC1

16

16

O

Overcurrent, open-drain output, active low, IN1-OUT1

OC2

13

13

O

Overcurrent, open-drain output, active low, IN1-OUT2

OC3

12

12

O

Overcurrent, open-drain output, active low, IN2-OUT3

OUT1

15

15

O

Power-switch output, IN1-OUT1

OUT2

14

14

O

Power-switch output, IN1-OUT2

OUT3

11

11

O

Power-switch output, IN2-OUT3

7

TPS2041B, TPS2042B

 

 

 

 

TPS2043B, TPS2044B, TPS2051B

 

 

 

TPS2052B, TPS2053B, TPS2054B

 

 

www.ti.com

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

 

 

 

 

 

 

 

Functional Block Diagram (TPS2043B and TPS2053B)

 

 

 

 

OC1

GND

 

Thermal

 

 

 

Sense

 

Deglitch

EN1

 

 

 

 

(See Note B)

 

 

Current

 

 

Driver

 

 

Limit

 

 

 

 

 

 

 

 

 

(See Note A)

 

 

 

CS

OUT1

 

UVLO

 

 

 

 

 

 

 

(See Note A)

IN1

 

 

CS

OUT2

 

 

Driver

Current

 

 

Limit

 

 

 

 

 

EN2

 

 

 

OC2

 

 

 

 

(See Note B)

 

Thermal

 

Deglitch

 

 

Sense

 

 

 

 

 

VCC

Charge

 

 

 

Pump

 

 

 

Selector

 

 

 

 

 

 

 

 

 

 

 

(See Note A)

IN2

 

 

CS

OUT3

EN3

 

Driver

Current

 

Limit

 

(See Note B)

 

 

 

UVLO

 

 

OC3

 

 

 

 

GND

 

Thermal

 

Deglitch

 

Sense

 

 

 

 

 

 

Note A: Current sense

Note B: Active low (ENx) for TPS2043B; Active high (ENx) for TPS2053B

8

TPS2041B, TPS2042B TPS2043B, TPS2044B, TPS2051B

TPS2052B, TPS2053B, TPS2054B

www.ti.com

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

Terminal Functions (TPS2044B and TPS2054B)

 

TERMINAL

 

I/O

DESCRIPTION

NAME

TPS2044B

TPS2054B

 

 

EN1

3

-

I

Enable input, logic low turns on power switch IN1-OUT1

EN2

4

-

I

Enable input, logic low turns on power switch IN1-OUT2

EN3

7

-

I

Enable input, logic low turns on power switch IN2-OUT3

EN4

8

-

I

Enable input, logic low turns on power switch IN2-OUT4

EN1

-

3

I

Enable input, logic high turns on power switch IN1-OUT1

EN2

-

4

I

Enable input, logic high turns on power switch IN1-OUT2

EN3

-

7

I

Enable input, logic high turns on power switch IN2-OUT3

EN4

-

8

I

Enable input, logic high turns on power switch IN2-OUT4

GND

1, 5

1, 5

 

Ground

IN1

2

2

I

Input voltage for OUT1 and OUT2

IN2

6

6

I

Input voltage for OUT3 and OUT4

OC1

16

16

O

Overcurrent, open-drain output, active low, IN1-OUT1

OC2

13

13

O

Overcurrent, open-drain output, active low, IN1-OUT2

OC3

12

12

O

Overcurrent, open-drain output, active low, IN2-OUT3

OC4

9

9

O

Overcurrent, open-drain output, active low, IN2-OUT4

OUT1

15

15

O

Power-switch output, IN1-OUT1

OUT2

14

14

O

Power-switch output, IN1-OUT2

OUT3

11

11

O

Power-switch output, IN2-OUT3

OUT4

10

10

O

Power-switch output, IN2-OUT4

9

TPS2041B, TPS2042B

TPS2043B, TPS2044B, TPS2051B

TPS2052B, TPS2053B, TPS2054B

www.ti.com

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

Functional Block Diagram (TPS2044B and TPS2054B)

 

 

 

 

 

OC1

GND

Thermal

 

Deglitch

 

Sense

 

 

 

 

 

 

 

 

 

EN1

 

 

 

 

(See Note B)

Driver

Current

 

 

 

 

 

 

Limit

 

 

 

 

 

 

 

 

 

(See Note A)

 

 

 

CS

 

OUT1

 

UVLO

 

 

 

 

Power Switch

 

 

 

 

 

(See Note A)

 

IN1

 

CS

 

OUT2

 

Driver

Current

 

 

 

Limit

 

 

 

 

 

 

EN2

 

 

 

OC2

 

 

 

 

(See Note B)

Thermal

 

Deglitch

 

 

Sense

 

 

 

 

 

 

VCC

Charge

 

 

 

Selector

Pump

 

 

 

 

 

 

 

OC3

 

Thermal

 

Deglitch

 

 

Sense

 

 

 

 

 

 

EN3

 

 

 

 

(See Note B)

Driver

Current

 

 

 

 

 

 

Limit

 

 

 

 

 

 

 

 

 

(See Note A)

 

 

 

CS

 

OUT3

 

UVLO

 

 

 

 

Power Switch

 

 

 

 

 

(See Note A)

 

IN2

 

CS

 

OUT4

 

Driver

Current

 

 

 

Limit

 

 

 

 

 

 

EN4

 

 

 

OC4

 

 

 

 

(See Note B)

Thermal

 

 

 

 

 

 

 

 

 

 

 

 

Deglitch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

Sense

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note A: Current sense

Note B: Active low (ENx) for TPS2044B; Active high (ENx) for TPS2054B

10

TPS2041B, TPS2042B TPS2043B, TPS2044B, TPS2051B

TPS2052B, TPS2053B, TPS2054B

www.ti.com

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

PARAMETER MEASUREMENT INFORMATION

 

 

 

 

 

 

 

 

OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tr

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tf

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RL

 

 

 

 

 

 

 

CL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VO(OUT)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

90%

90%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10%

10%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TEST CIRCUIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V

 

 

 

 

 

 

 

 

50%

 

 

 

50%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VI(EN)

 

 

 

50%

 

50%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I(EN)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ton

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

toff

 

 

 

 

 

ton

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

toff

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VO(OUT)

 

 

 

 

 

 

 

 

 

 

 

 

 

90%

 

 

 

 

 

10%

 

 

 

 

 

 

VO(OUT)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

90%

10%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE WAVEFORMS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 1. Test Circuit and Voltage Waveforms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RL = 10 ,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VI(EN)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VI(EN)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CL = 1 F

 

I(EN)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5 V/div

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TA = 25 C

 

I(EN)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5 V/div

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VO(OUT)

RL = 10 ,

 

 

 

2 V/div

CL = 1 F

V

 

TA = 25 C

O(OUT)

 

 

 

2 V/div

 

 

 

 

 

 

 

 

 

 

 

 

 

t − Time − 500 s/div

 

t − Time − 500 s/div

 

 

 

 

 

Figure 2. Turnon Delay and Rise Time With 1-µF Load

Figure 3. Turnoff Delay and Fall Time With 1-µF Load

11

TEXAS INSTRUMENTS TPS2041B, TPS2042B, TPS2043B, TPS2044B, TPS2051B Technical data

TPS2041B, TPS2042B

TPS2043B, TPS2044B, TPS2051B

TPS2052B, TPS2053B, TPS2054B

www.ti.com

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

PARAMETER MEASUREMENT INFORMATION (continued)

 

 

 

RL = 10 ,

 

 

 

 

 

 

VI(EN)

 

VI(EN)

 

C

= 100 F

 

 

 

VI(EN)

L

 

VI(EN)

T

= 25 C

5 V/div

A

 

5 V/div

 

 

 

 

 

 

 

 

VO(OUT)

RL = 10 ,

 

 

 

CL = 100 F

VO(OUT)

2 V/div

TA = 25 C

 

 

 

2 V/div

 

 

 

 

 

 

 

 

 

 

t − Time − 500 s/div

 

t − Time − 500 s/div

Figure 4. Turnon Delay and Rise Time With 100-µF Load

Figure 5. Turnoff Delay and Fall Time With 100-µF Load

 

 

 

 

 

 

V

 

 

VI(EN)

I(EN)

VI(EN)

V

I(EN)

5 V/div

5 V/div

IO(OUT)

IO(OUT)

500 mA/div

500 mA/div

 

t − Time − 500 s/div

VI = 5 V,

RL = 10 ,

TA = 25 C

220 F

470 F

100 F

t − Time − 500 s/div

Figure 6. Short-Circuit Current,

Figure 7. Inrush Current With Different

Device Enabled Into Short

Load Capacitance

12

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