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

...

DGN−8

D−16

D−8

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1 2 3 4 5 6 7 8

16 15 14 13 12 11 10

GND

IN2

EN3

†

OC3 OUT3 NC NC

1 2 3 4

8 7 6 5

GND

IN IN

†

OUT OUT OUT OC

TPS2041B/TPS2051B

D AND DGN PACKAGES

(TOP VIEW)

1 2 3 4

8 7 6 5

GND

EN1

†

EN2

†

OC1 OUT1 OUT2 OC2

TPS2042B/TPS2052B

D AND DGN PACKAGES

(TOP VIEW)

OC1 OUT1 OUT2 OC2

GND

IN1

EN1

†

EN2

†

1 2 3 4 5 6 7 8

16 15 14 13 12 11 10

GND

IN2

EN3

†

EN4

†

OC3 OUT3 OUT4 OC4

OC1 OUT1 OUT2 OC2

GND

IN1

EN1

†

EN2

†

NC − No connect

†

All enable inputs are active high for the TPS205xB series.

TPS2044B/TPS2054B

D PACKAGE

(TOP VIEW)

TPS2043B/TPS2053B

D PACKAGE

(TOP VIEW)

TPS201xA TPS202x TPS203x

33 mΩ, single

0.2 A − 2 A

TPS2014 TPS2015 TPS2041B TPS2051B TPS2045 TPS2055 TPS2061 TPS2065

80 mΩ, single

600 mA 1 A 500 mA 500 mA 250 mA 250 mA 1 A 1 A

GENERAL SWITCH CA TALOG

TPS2042B TPS2052B TPS2046 TPS2056 TPS2062 TPS2066

80 mΩ , dual

500 mA 500 mA 250 mA 250 mA 1 A 1 A

TPS2100/1

260 mΩ

IN1 500 mA IN2 10 mA

OUT

IN1 IN2

TPS2102/3/4/5

IN1 500 mA IN2 100 mA

1.3 Ω

TPS2043B TPS2053B TPS2047 TPS2057

80 mΩ, triple

500 mA 500 mA 250 mA 250 mA

TPS2044B TPS2054B TPS2048 TPS2058

80 mΩ, quad

500 mA 500 mA 250 mA 250 mA

80 mΩ, dual

TPS2080 TPS2081 TPS2082 TPS2090

500 mA 500 mA 500 mA

250 mA TPS2091 TPS2092

250 mA

80 mΩ, quad

TPS2085 TPS2086 TPS2087 TPS2095

500 mA 500 mA 500 mA

250 mA TPS2096 TPS2097

250 mA

查询TPS2041B供应商

CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES

FEATURES APPLICATIONS

• 70-m Ω 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

TPS2041B , , TPS2042B TPS2043B , TPS2044B , TPS2051B TPS2052B , TPS2053B , TPS2054B

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

• Heavy Capacitive Loads

• Short-Circuit Protections

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-m Ω 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.

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.

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.

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TPS2041B , , TPS2042B TPS2043B , TPS2044B , TPS2051B TPS2052B , TPS2053B , TPS2054B

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

ENABLE

Active low Single TPS2041BDGN TPS2041BD

Active high Single TPS2051BDGN TPS2051BD

Active low Dual TPS2042BDGN TPS2042BD

-40°C to 85°C 0.5 A 1 A

Active high 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)

MAXIMUM SHORT-CIRCUIT NUMBER OF

CONTINUOUS CURRENT LIMIT SWITCHES

LOAD CURRENT AT 25°c

(1)

MSOP (DGN) SOIC (D)

ABSOLUTE MAXIMUM RATINGS

over operating free-air temperature range unless otherwise noted

Input voltage range, V Output voltage range, V Input voltage range, V Voltage range, V

I(IN)

O(OUT)

I( EN)

, V

I(/OC)

Continuous output current, I Continuous total power dissipation See Dissipation Rating Table Operating virtual junction temperature range, T Storage temperature range, T Lead temperature soldering 1,6 mm (1/16 inch) from case for 10 seconds 260°C

Electrostatic discharge (ESD) protection

(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.

, V

I( OCx)

(2)

I(INx)

, V

I( ENx)

O(OUT)

stg

(2)

O(OUTx)

, V

I(EN)

I(ENx)

, I

O(OUTx)

Human body model MIL-STD-883C 2 kV Charge device model (CDM) 500 V

(1)

UNIT

-0.3 V to 6 V

Internally limited

-40°C to 125°C

-65°C to 150°C

DISSIPATING RATING TABLE

PACKAGE

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

TA≤ 25°C DERATING FACTOR TA= 70°C TA= 85°C

POWER RATING ABOVE TA= 25°C POWER RATING POWER RATING

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TPS2041B , , TPS2042B TPS2043B , TPS2044B , TPS2051B TPS2052B , TPS2053B , TPS2054B

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

RECOMMENDED OPERATING CONDITIONS

MIN MAX UNIT

Input voltage, V Input voltage, V Continuous output current, I Operating virtual junction temperature, T

ELECTRICAL CHARACTERISTICS

over recommended operating junction temperature range, V

POWER SWITCH

Static drain-source on-state resistance, 5-V operation V and 3.3-V operation

DS(on)

Static drain-source on-state resistance, 2.7-V V operation

(2)

Rise time, output

(2)

Fall time, output

ENABLE INPUT EN AND ENx

High-level input voltage 2.7 V ≤ V

Low-level input voltage 2.7 V ≤ V

Input current V

(2)

Turnon time CL= 100 µF, RL= 10 Ω 3

(2)

Turnoff time CL= 100 µF, RL= 10 Ω 10

off

CURRENT LIMIT

Short-circuit output current A

SUPPLY CURRENT (TPS2041B, TPS2051B)

Supply current, low-level output µA

Supply current, high-level output µA

Leakage current -40°C ≤ TJ≤ 125°C 1 µA Reverse leakage current V

SUPPLY CURRENT (TPS2042B, TPS2052B)

Supply current, low-level output No load on OUT, V

Supply current, high-level output No load on OUT, V

Leakage current OUT connected to ground, V Reverse leakage current V

(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.

, V

I(IN)

I(INx)

, V

I( EN)

I( ENx)

, V

I(EN)

I(ENx)

, I

O(OUT)

O(OUTx)

PARAMETER TEST CONDITIONS

= 5 V or 3.3 V, IO= 0.5 A -40°C ≤ TJ≤ 125°C 70 135 m Ω

I(IN)

= 2.7 V, IO= 0.5 A -40°C ≤ TJ≤ 125°C 75 150 m Ω

(2)

I(IN)

= 5.5 V 0.6 1.5

I(IN)

= 2.7 V 0.4 1

I(IN)

= 5.5 V 0.05 0.5

I(IN)

= 2.7 V 0.05 0.5

I(IN)

≤ 5.5 V 2

I(IN)

≤ 5.5 V 0.8

I(IN)

= 0 V or 5.5 V -0.5 0.5 µA

I( ENx)

= 5 V, OUT connected to GND,

I(IN)

device enabled into short-circuit

No load on OUT, V or V

= 0 V

I(ENx)

No load on OUT, V or V

= 5.5 V

I(ENx)

OUT connected to ground, V or V

= 0 V

I(ENx)

= 5.5 V, IN = ground

I(OUTx)

= 5.5 V, IN = ground

I(OUTx)

2.7 5.5 V 0 5.5 V 0 500 mA

-40 125 °C

= 5.5 V, IO= 0.5 A, V

I(IN)

CL= 1 µF, RL= 10 Ω

(1)

TJ= 25°C ms

= 0 V (unless otherwise noted)

I(/ENx)

MIN TYP MAX UNIT

TJ= 25°C 0.75 1 1.25

-40°C ≤ TJ≤ 125°C 0.7 1 1.3

I( ENx)

= 5.5 V,

TJ= 25°C 0.5 1

-40°C ≤ TJ≤ 125°C 0.5 5

I( ENx)

= 0 V,

TJ= 25°C 43 60

-40°C ≤ TJ≤ 125°C 43 70

= 5.5 V,

I( ENx)

(2)

= 5.5 V µA

I( ENx)

= 0 V µA

I( ENx)

= 5.5 V -40°C ≤ TJ≤ 125°C 1 µA

I( ENx) (2)

TJ= 25°C 0 µA

TJ= 25°C 0.5 1

-40°C ≤ TJ≤ 125°C 0.5 5 TJ= 25°C 50 70

-40°C ≤ TJ≤ 125°C 50 90

TJ= 25°C 0.2 µA

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TPS2041B , , TPS2042B TPS2043B , TPS2044B , TPS2051B TPS2052B , TPS2053B , TPS2054B

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

ELECTRICAL CHARACTERISTICS (continued)

over recommended operating junction temperature range, V

PARAMETER TEST CONDITIONS

SUPPLY CURRENT (TPS2043B, TPS2053B)

Supply current, low-level output No load on OUT, V

Supply current, high-level output No load on OUT, V

Leakage current OUT connected to ground, V Reverse leakage current V

= 5.5 V, INx = ground

I(OUTx)

SUPPLY CURRENT (TPS2044B, TPS2054B)

Supply current, low-level output µA

Supply current, high-level output µA

Leakage current -40°C ≤ TJ≤ 125°C 1 µA Reverse leakage current V

No load on OUT, V or V

= 0 V

I(ENx)

No load on OUT, V or V

= 5.5 V

I(ENx)

OUT connected to ground, V or V

= 0 V

I(ENx)

= 5.5 V, INx = ground

I(OUTx)

UNDERVOLTAGE LOCKOUT

Low-level input voltage, IN, INx 2 2.5 V Hysteresis, IN, INx TJ= 25°C 75 mV

OVERCURRENT OC and OCx

Output low voltage, V Off-state current OC deglitch

(3)

THERMAL SHUTDOWN

Thermal shutdown threshold Recovery from thermal shutdown Hysteresis

(3)

OL(/OCx)

(3)

(4)

(3)

= 5 mA 0.4 V

O( OCx)

= 5 V or 3.3 V 1 µA

O( OCx)

OCx assertion or deassertion 4 8 15 ms

(3)

I(ENx)

I( ENx)

= 5.5 V, IO= 0.5 A, V

I(IN)

(1)

= 0 V µA

= 5.5 V µA

= 0 V -40°C ≤ TJ≤ 125°C 1 µA

I(ENx)

(3)

= 5.5 V,

TJ= 25°C 0.5 2

-40°C ≤ TJ≤ 125°C 0.5 10 TJ= 25°C 65 90

-40°C ≤ TJ≤ 125°C 65 110

TJ= 25°C 0.2 µA

TJ= 25°C 0.5 2

= 0 V (unless otherwise noted)

I(/ENx)

MIN TYP MAX UNIT

-40°C ≤ TJ≤ 125°C 0.5 10

= 0 V,

TJ= 25°C 75 110

-40°C ≤ TJ≤ 125°C 75 140

= 5.5 V,

I( ENx)

(3)

TJ= 25°C 0.2 µA

135 °C 125 °C

10 °C

(3) Not tested in production, specified by design. (4) The thermal shutdown only reacts under overcurrent conditions.

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DEVICE INFORMATION

OUT

GND

Current

Limit

Driver

UVLO

Charge

Pump

Thermal

Sense

Deglitch

Note A: Current sense Note B: Active low (EN

) for TPS2041B; Active high (EN) for TPS2051B

(See Note A)

(See Note B)

Terminal Functions (TPS2041B and TPS2051B)

TERMINAL

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)

I/O DESCRIPTION

TPS2041B , , TPS2042B TPS2043B , TPS2044B , TPS2051B TPS2052B , TPS2053B , TPS2054B

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

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Thermal

Sense

Driver

Current

Limit

Charge

Pump

UVLO

Driver

Current

Limit

Thermal

Sense

Charge

Pump

GND

EN1

EN2

OC1

OUT1

OUT2

OC2

Deglitch

(See Note A)

(See Note B)

Note A: Current sense Note B: Active low (ENx

) for TPS2042B; Active high (ENx) for TPS2052B

(See Note B)

(See Note A)

TPS2041B , , TPS2042B TPS2043B , TPS2044B , TPS2051B TPS2052B , TPS2053B , TPS2054B

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

Terminal Functions (TPS2042B and TPS2052B)

TERMINAL

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)

I/O DESCRIPTION

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TPS2043B , TPS2044B , TPS2051B TPS2052B , TPS2053B , TPS2054B

Terminal Functions (TPS2043B and TPS2053B)

TERMINAL

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

I/O DESCRIPTION

TPS2041B , , TPS2042B

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

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Thermal

Sense

Driver

Current

Limit

UVLO

Driver

Current

Limit

Thermal

Sense

GND

EN1

IN1

EN2

OC1

OUT1

OUT2

OC2

Deglitch

Driver

Current

Limit

Thermal

Sense

Charge

Pump

GND

IN2

EN3

OUT3

OC3

Deglitch

VCC

Selector

UVLO

(See Note A)

Note A: Current sense Note B: Active low (ENx

) for TPS2043B; Active high (ENx) for TPS2053B

(See Note A)

(See Note B)

TPS2041B , , TPS2042B TPS2043B , TPS2044B , TPS2051B TPS2052B , TPS2053B , TPS2054B

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

Functional Block Diagram (TPS2043B and TPS2053B)

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TPS2043B , TPS2044B , TPS2051B TPS2052B , TPS2053B , TPS2054B

Terminal Functions (TPS2044B and TPS2054B)

TERMINAL

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

I/O DESCRIPTION

TPS2041B , , TPS2042B

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

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Thermal

Sense

Driver

Current

Limit

UVLO

Driver

Current

Limit

Thermal

Sense

Power Switch

GND

EN1

IN1

EN2

OC1

OUT1

OUT2

OC2

Deglitch

Thermal

Sense

Driver

Current

Limit

UVLO

Driver

Current

Limit

Thermal

Sense

Charge

Pump

Power Switch

GND

EN3

IN2

EN4

OC3

OUT3

OUT4

OC4

Deglitch

VCC

Selector

Note A: Current sense Note B: Active low (ENx

) for TPS2044B; Active high (ENx) for TPS2054B

(See Note A)

(See Note B)

TPS2041B , , TPS2042B TPS2043B , TPS2044B , TPS2051B TPS2052B , TPS2053B , TPS2054B

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

Functional Block Diagram (TPS2044B and TPS2054B)

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PARAMETER MEASUREMENT INFORMATION

OUT

90%

10%

50%

90%

10%

O(OUT)

I(EN)

O(OUT)

VOLTAGE WAVEFORMS

TEST CIRCUIT

off

50%

90%

10%

I(EN)

O(OUT)

off

I(EN)

5 V/div

O(OUT)

2 V/div

RL = 10 , CL = 1 F TA = 25C

t − Time − 500 s/div

I(EN)

5 V/div

O(OUT)

2 V/div

RL = 10 , CL = 1 F TA = 25C

t − Time − 500 s/div

Figure 1. Test Circuit and Voltage Waveforms

TPS2041B , , TPS2042B TPS2043B , TPS2044B , TPS2051B TPS2052B , TPS2053B , TPS2054B

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

Figure 2. Turnon Delay and Rise Time With 1-µF Load Figure 3. Turnoff Delay and Fall Time With 1-µF Load

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I(EN)

5 V/div

O(OUT)

2 V/div

RL = 10 , CL = 100 F TA = 25C

t − Time − 500 s/div

O(OUT)

2 V/div

I(EN)

5 V/div

RL = 10 , CL = 100 F TA = 25C

t − Time − 500 s/div

220 F

470 F

100 F

VI = 5 V , RL = 10 , TA = 25C

I(EN)

5 V/div

O(OUT)

500 mA/div

t − Time − 500 s/div

I(EN)

5 V/div

O(OUT)

500 mA/div

t − Time − 500 s/div

TPS2041B , , TPS2042B TPS2043B , TPS2044B , TPS2051B TPS2052B , TPS2053B , TPS2054B

SLVS514E – APRIL 2004 – REVISED JANUARY 2006

PARAMETER MEASUREMENT INFORMATION (continued)

Figure 4. Turnon Delay and Rise Time With 100-µF Load Figure 5. Turnoff Delay and Fall Time With 100-µF Load

Figure 6. Short-Circuit Current, Figure 7. Inrush Current With Different

Device Enabled Into Short Load Capacitance

+ 25 hidden pages

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

Specifications and Main Features

Frequently Asked Questions

User Manual