Texas Instruments TPS2041BQDBVRQ1, TPS2042BQDRQ1, TPS2051BQDRQ1 Schematic

1

2

3

4

8

7

6

5

GND

IN IN

EN

OUT OUT OUT OC

TPS2051B

D PACKAGE

(TOP VIEW)

1

2

3

4

8

7

6

5

GND

IN EN1 EN2

OC1 OUT1 OUT2 OC2

TPS2042B

D PACKAGE

(TOP VIEW)

1

2

3

5

4

IN

EN

OC

GNDGND

OUT

TPS2041B

DBV PACKAGE

(TOP VIEW)

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SLVS782B – NOVEMBER 2007–REVISED OCTOBER 2011

CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

Check for Samples: TPS2041B-Q1, TPS2042B-Q1, TPS2051B-Q1

1

FEATURES

• Qualified for Automotive Applications • Heavy Capacitive Loads

• 70-mΩ High-Side MOSFET • Short-Circuit Protection

• 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

• Junction Temperature Range: –40°C to 125°C

• ESD Protection Level Per AEC-Q100

Classification

• UL Recognized, File Number E169910

APPLICATIONS

TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

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 incorporate 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 (typ).

1

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.

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 CATALOG

TPS2042B TPS2052B TPS2046 TPS2056 TPS2062 TPS2066 TPS2060 TPS2064

80 mΩ, dual

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

1.5 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

TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

SLVS782B – NOVEMBER 2007–REVISED OCTOBER 2011

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.

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ORDERING INFORMATION

T

J

ENABLE PACKAGE

NO. OF ORDERABLE TOP-SIDE

SWITCHES PART NUMBER MARKING

(1)

(2)

Active high Single SOIC – D Reel of 2500 TPS2051BQDRQ1 2051BQ

–40°C to 125°C Single SOT-23 – DBV Reel of 3000 TPS2041BQDBVRQ1 PLIQ

Active low

Dual SOIC – D Reel of 2500 TPS2042BQDRQ1 2042B

(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.

(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

Product Folder Link(s): TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

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ABSOLUTE MAXIMUM RATINGS

(1)

over operating free-air temperature range unless otherwise noted

V

I(IN)

V

O(OUT)

V

O(OUTx)

V

I(

ENx

Input voltage range (IN)

,

Output voltage range (OUT, OUTx)

Input voltage range (ENx, EN) –0.3 V to 6 V , V

I(EN)

V

I(

OC

, Voltage range (OC, OCx) –0.3 V to 6 V V

I(

OCx

I

,

O(OUT)

I

O(OUTx)

Continuous output current Internally limited

Continuous total power dissipation See Dissipation Ratings T

J

T

stg

Operating virtual-junction temperature range –40°C to 125°C

Storage temperature range –65°C to 150°C

Lead temperature, soldering 1,6 mm (1/16 in) from case for 10 s 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.

(2)

)

Human-Body Model (HBM) (H2) 2500 V

TPS2041B Machine Model (MM) (M0) 50 V

Charged-Device Model (CDM) (C5) 1500 V Human-Body Model (HBM) (H2) 2500 V

TPS2042B Machine Model (MM) (M0) 50 V

Charged-Device Model (CDM) (C5) 1500 V Human-Body Model (HBM) (H2) 2000 V

TPS2051B Machine Model (MM) (M0) 50 V

Charged-Device Model (CDM) (C5) 1500 V

SLVS782B – NOVEMBER 2007–REVISED OCTOBER 2011

–0.3 V to 6 V –0.3 V to 6 V

DISSIPATING RATINGS

PACKAGE

D-8 585.82 mW 5.8582 mW/°C 322.20 mW 234.32 mW

DBV-5 285 mW 2.85 mW/°C 155 mW 114 mW

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

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

RECOMMENDED OPERATING CONDITIONS

MIN MAX UNIT

V

I(IN)

V

I(

ENx

, V I

O(OUT)

I

O(OUTx)

T

J

Input voltage (IN) 2.7 5.5 V

Input voltage (ENx, EN) 0 5.5 V

I(EN)

,

Continuous output current (OUT, OUTx) 0 500 mA

)

Operating virtual-junction temperature –40 125 °C

Product Folder Link(s): TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

SLVS782B – NOVEMBER 2007–REVISED OCTOBER 2011

ELECTRICAL CHARACTERISTICS

over recommended operating junction temperature range, V

PARAMETER TEST CONDITIONS

Power Switch

Static drain-source on-state resistance, 5-V or 3.3-V V

r

t

operation

DS(on)

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

Rise time, output

r

Fall time, output

f

(2)

Enable Input (EN, ENx ) V V I t t

High-level input voltage 2.7 V ≤ V

IH

Low-level input voltage 2.7 V ≤ V

IL

Input current V

I on off

Turn-on time Turn-off time

(2) (2)

Current Limit

I

Short-circuit output current A

OS

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)

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

Undervoltage Lockout

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

Overcurrent (OC, OCx )

Output low voltage, V Off-state current OC deglitch

(2)

OL(/OCx)

(2)

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

I(IN)

V

= 2.7 V, IO= 0.5 A –40°C ≤ TJ≤ 125°C 75 150

I(IN)

V

= 5.5 V 0.6 1.5

I(IN)

V

= 2.7 V 0.4 1

I(IN)

V

= 5.5 V 0.05 0.5

I(IN)

V

= 2.7 V 0.05 0.5

I(IN)

≤ 5.5 V 2 V

I(IN)

≤ 5.5 V 0.8 V

I(IN)

I( ENx )

CL= 100 μF, RL= 10 Ω 3 ms CL= 100 μF, RL= 10 Ω 10 ms

V

= 5 V, OUT connected to GND,

I(IN)

device enabled into short-circuit

No load on OUT, V

= 5.5 V or V

I(EN)

No load on OUT, V

= 0 V or V

I(EN)

OUT connected to ground, V

= 5.5 V or V

I(EN)

= 5.5 V, IN = ground

I(OUTx)

No load on OUT, V

ENx

I(EN)

I(

= 5.5 V No load on OUT, V

ENx

I(

= 0 V OUT connected to ground, V

ENx

= 5.5 V

= 5.5 V, IN = ground

I(OUTx)

I

O( OCx )

V

O( OCx )

OCx assertion or deassertion 4 8 15 ms

= 5.5 V, IO= 0.5 A, V

I(IN)

CL= 1 μF, RL= 10 Ω

= 0 V

= 5.5 V

= 0 V

(2)

I(

(2)

= 0 V (unless otherwise noted)

I(ENx)

(1)

MIN TYP MAX UNIT

TJ= 25°C ms

= 0 V or 5.5 V –0.5 0.5 μA

TJ= 25°C 0.65 1 1.25 –40°C ≤ TJ≤ 125°C 0.6 1 1.3

TJ= 25°C 0.5 1 –40°C ≤ TJ≤ 125°C 0.5 5 TJ= 25°C 43 60 –40°C ≤ TJ≤ 125°C 43 70

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

= 5 mA 0.4 V

= 5 V or 3.3 V 1 μA

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mΩ

(1) Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be accounted for separately. (2) Specified by design

Product Folder Link(s): TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

OUT

OC

IN

EN

GND

Current

Limit

Driver

UVLO

Charge

Pump

CS

Thermal

Sense

Deglitch

(See Note A)

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ELECTRICAL CHARACTERISTICS (continued)

over recommended operating junction temperature range, V

PARAMETER TEST CONDITIONS

Thermal Shutdown

Thermal shutdown threshold Recovery from thermal shutdown Hysteresis

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

(2)

(3)

(2)

= 5.5 V, IO= 0.5 A, V

I(IN)

DEVICE INFORMATION

Terminal Functions (TPS2041B)

TERMINAL

NAME NO.

EN 4 I Enable input, logic low turns on power switch GND 2 Ground IN 5 I Input voltage OC 3 O Overcurrent, open-drain output, active low OUT 1 O Power-switch output

I/O DESCRIPTION

TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

SLVS782B – NOVEMBER 2007–REVISED OCTOBER 2011

= 0 V (unless otherwise noted)

I(ENx)

(1)

MIN TYP MAX UNIT

135 °C 125 °C

10 °C

Functional Block Diagram (TPS2041B)

A. CS = Current sense

Product Folder Link(s): TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

Thermal

Sense

Driver

Current

Limit

Charge

Pump

UVLO

CS

Driver

Current

Limit

CS

Thermal

Sense

Charge

Pump

GND

EN1

IN

EN2

OC1

OUT1

OUT2

OC2

Deglitch

(See Note A)

TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

SLVS782B – NOVEMBER 2007–REVISED OCTOBER 2011

Terminal Functions (TPS2042B)

TERMINAL

NAME NO.

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 GND 1 Ground IN 2 I Input voltage OC1 8 O Overcurrent, open-drain output, active low, IN-OUT1 OC2 5 O Overcurrent, open-drain output, active low, IN-OUT2 OUT1 7 O Power-switch output, IN-OUT1 OUT2 6 O Power-switch output, IN-OUT2

I/O DESCRIPTION

Functional Block Diagram (TPS2042B)

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A. CS = Current sense

Product Folder Link(s): TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

OUT

OC

IN

EN

GND

Current

Limit

Driver

UVLO

Charge

Pump

CS

Thermal

Sense

Deglitch

(See Note A)

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Terminal Functions (TPS2051B)

TERMINAL

NAME NO.

EN 4 I Enable input, logic high turns on power switch GND 1 Ground IN 2, 3 I Input voltage OC 5 O Overcurrent open-drain output, active low OUT 6, 7, 8 O Power-switch output

I/O DESCRIPTION

Functional Block Diagram (TPS2051B)

TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

SLVS782B – NOVEMBER 2007–REVISED OCTOBER 2011

A. CS = Current sense

Product Folder Link(s): TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

R

L

C

L

OUT

t

r

t

f

90%

10%

50%

90%

10%

V

O(OUT)

V

I(EN)

V

O(OUT)

VOLTAGE WAVEFORMS

TEST CIRCUIT

t

on

t

off

50%

90%

10%

V

I(EN)

V

O(OUT)

t

on

t

off

V

I(EN

)

V

I(EN)

5 V/div

V

O(OUT)

2 V/div

RL = 10 W, CL = 1 mF TA = 255C

t − Time − 500 ms/div

V

I(EN

)

V

I(EN)

5 V/div

V

O(OUT)

2 V/div

RL = 10 W, CL = 1 mF TA = 255C

t − Time − 500 ms/div

TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

SLVS782B – NOVEMBER 2007–REVISED OCTOBER 2011

PARAMETER MEASUREMENT INFORMATION

Figure 1. Test Circuit and Voltage Waveforms

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Figure 2. Turn-On Delay and Rise Time With 1-μF Figure 3. Turn-Off Delay and Fall Time With 1-μF

Load Load

Product Folder Link(s): TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

V

I(EN

)

V

I(EN)

5 V/div

V

O(OUT)

2 V/div

RL = 10 W, CL = 100 mF TA = 255C

t − Time − 500 ms/div

V

O(OUT)

2 V/div

V

I(EN

)

V

I(EN)

5 V/div

RL = 10 W, CL = 100 mF TA = 255C

t − Time − 500 ms/div

220 mF

470 mF

100 mF

VI = 5 V , RL = 10 W, TA = 255C

V

I(EN

)

V

I(EN)

5 V/div

I

O(OUT)

500 mA/div

t − Time − 500 ms/div

V

I(EN

)

V

I(EN)

5 V/div

I

O(OUT)

500 mA/div

t − Time − 500 ms/div

TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

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PARAMETER MEASUREMENT INFORMATION (continued)

Figure 4. Turn-On Delay and Rise Time With Figure 5. Turn-Off Delay and Fall Time With 100-μF

100-μF Load Load

SLVS782B – NOVEMBER 2007–REVISED OCTOBER 2011

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

Device Enabled Into Short Load Capacitance

Product Folder Link(s): TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

V

O(OC

)

2 V/div

I

O(OUT)

500 mA/div

t − Time − 2 ms/div

V

O(OC

)

2 V/div

I

O(OUT)

500 mA/div

t − Time − 2 ms/div

TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

SLVS782B – NOVEMBER 2007–REVISED OCTOBER 2011

PARAMETER MEASUREMENT INFORMATION (continued)

Figure 8. 3-Ω Load Connected to Enabled Device Figure 9. 2-Ω Load Connected to Enabled Device

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Product Folder Link(s): TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1

Texas Instruments TPS2041BQDBVRQ1, TPS2042BQDRQ1, TPS2051BQDRQ1 Schematic [ru]

Specifications and Main Features

Frequently Asked Questions

User Manual

FEATURES

APPLICATIONS

DESCRIPTION

ABSOLUTE MAXIMUM RATINGS

DISSIPATING RATINGS

RECOMMENDED OPERATING CONDITIONS

ELECTRICAL CHARACTERISTICS

DEVICE INFORMATION

PARAMETER MEASUREMENT INFORMATION