Datasheet

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GND

OUT

TPS2051B

D PACKAGE

(TOP VIEW)

GND

EN1

EN2

OC1

OUT1

OUT2

OC2

TPS2042B

D PACKAGE

(TOP VIEW)

GNDGND

OUT

TPS2041B

DBV PACKAGE

(TOP VIEW)

TPS2041B-Q1

TPS2042B-Q1

TPS2051B-Q1

www.ti.com

SLVS782B – NOVEMBER 2007– REVISED OCTOBER 2011

CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

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

FEATURES

APPLICATIONS

• 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

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).

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.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

Summary of content (31 pages)

PAGE 1
TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES Check for Samples: TPS2041B-Q1, TPS2042B-Q1, TPS2051B-Q1 FEATURES APPLICATIONS • • • • • • • 1 • • • • • • • • • • Qualified for Automotive Applications 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.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 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.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com ABSOLUTE MAXIMUM RATINGS (1) over operating free-air temperature range unless otherwise noted VI(IN) Input voltage range (IN) (2) –0.3 V to 6 V VO(OUT), VO(OUTx) Output voltage range (OUT, OUTx) (2) –0.3 V to 6 V Input voltage range (ENx, EN) –0.3 V to 6 V VI( ENx ) , VI(EN) VI( OC ) , VI( –0.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com ELECTRICAL CHARACTERISTICS over recommended operating junction temperature range, VI(IN) = 5.5 V, IO = 0.5 A, VI(ENx) = 0 V (unless otherwise noted) TEST CONDITIONS (1) PARAMETER MIN TYP MAX UNIT Power Switch rDS(on) tr tf Static drain-source on-state resistance, 5-V or 3.3-V operation VI(IN) = 5 V or 3.3 V, IO = 0.5 A Static drain-source on-state resistance, 2.7-V operation (2) VI(IN) = 2.7 V, IO = 0.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com 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) TEST CONDITIONS (1) PARAMETER Thermal Shutdown MIN Thermal shutdown threshold (2) 135 Recovery from thermal shutdown (2) 125 Hysteresis (2) (3) TYP MAX UNIT (3) °C °C 10 °C The thermal shutdown only reacts under overcurrent conditions.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com Terminal Functions (TPS2042B) TERMINAL NAME I/O NO.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com Terminal Functions (TPS2051B) TERMINAL NAME I/O NO. EN 4 GND 1 I DESCRIPTION Enable input, logic high turns on power switch Ground IN 2, 3 I Input voltage OC 5 O Overcurrent open-drain output, active low 6, 7, 8 O Power-switch output OUT Functional Block Diagram (TPS2051B) (See Note A) CS IN OUT Charge Pump EN Driver Current Limit OC UVLO Thermal Sense GND A.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com PARAMETER MEASUREMENT INFORMATION OUT RL tf tr CL VO(OUT) 90% 10% 90% 10% TEST CIRCUIT 50% VI(EN) 50% toff ton VO(OUT) 50% VI(EN) 90% 50% toff ton 90% VO(OUT) 10% 10% VOLTAGE WAVEFORMS Figure 1.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com PARAMETER MEASUREMENT INFORMATION (continued) VI(EN) VI(EN) 5 V/div RL = 10 W, CL = 100 mF TA = 255C VI(EN) VI(EN) 5 V/div RL = 10 W, CL = 100 mF TA = 255C VO(OUT) 2 V/div VO(OUT) 2 V/div t − Time − 500 ms/div t − Time − 500 ms/div Figure 4. Turn-On Delay and Rise Time With 100-μF Load Figure 5.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com PARAMETER MEASUREMENT INFORMATION (continued) VO(OC) 2 V/div VO(OC) 2 V/div IO(OUT) 500 mA/div IO(OUT) 500 mA/div t − Time − 2 ms/div Figure 8. 3-Ω Load Connected to Enabled Device 10 Submit Documentation Feedback t − Time − 2 ms/div Figure 9.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com TYPICAL CHARACTERISTICS TURN-ON TIME vs INPUT VOLTAGE TURN-OFF TIME vs INPUT VOLTAGE 1.0 3.3 CL = 100 mF, RL = 10 W, TA = 255C 0.9 0.8 CL = 100 mF, RL = 10 W, TA = 255C 3.2 Turnoff Time − ms Turnon Time − ms 0.7 0.6 0.5 0.4 3.1 3 0.3 0.2 2.9 0.1 0 2 3 4 5 VI − Input Voltage − V 2.8 6 3 4 5 6 VI − Input Voltage − V Figure 10. Figure 11.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com TYPICAL CHARACTERISTICS (continued) TPS2041B/TPS2051B SUPPLY CURRENT, OUTPUT ENABLED vs JUNCTION TEMPERATURE TPS2042B SUPPLY CURRENT, OUTPUT ENABLED vs JUNCTION TEMPERATURE 70 I I (IN) − Supply Current, Output Enabled − µ A I I (IN) − Supply Current, Output Enabled − µ A 60 VI = 5.5 V 50 VI = 5 V 40 30 VI = 2.7 V 20 VI = 3.3 V 10 0 −50 0 50 100 50 VI = 5 V VI = 3.3 V 40 30 VI = 2.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com TYPICAL CHARACTERISTICS (continued) SHORT-CIRCUIT OUTPUT CURRENT vs JUNCTION TEMPERATURE 1.08 120 IO = 0.5 A I OS − Short-Circuit Output Current − A r DS(on) − Static Drain-Source On-State Resistance − m Ω STATIC DRAIN-SOURCE ON-STATE RESISTANCE vs JUNCTION TEMPERATURE VI = 2.7 V 100 80 VI = 3.3 V 60 VI = 5 V 40 20 −50 0 50 100 150 1.02 1.0 0.98 VI = 5 V 0.96 0.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com TYPICAL CHARACTERISTICS (continued) CURRENT-LIMIT RESPONSE vs PEAK CURRENT 100 Current-Limit Response − µ s VI = 5 V, TA = 255C 80 60 40 20 0 0 14 Submit Documentation Feedback 2.5 5 7.5 Peak Current − A Figure 22. 10 12.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com APPLICATION INFORMATION Power-Supply Considerations TPS2042B 2 Power Supply 2.7 V to 5.5 V IN OUT1 0.1 µF 8 3 5 4 7 Load 0.1 µF 22 µF 0.1 µF 22 µF OC1 EN1 OUT2 OC2 6 Load EN2 GND 1 Figure 23. Typical Application (Example, TPS2042B) A 0.01-μF to 0.1-μF ceramic bypass capacitor between IN and GND, close to the device, is recommended.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com V+ TPS2042B GND Rpullup OC1 IN OUT1 EN1 OUT2 EN2 OC2 Figure 24. Typical Circuit for the OC Pin (Example, TPS2042B) Power Dissipation and Junction Temperature The low on-resistance on the N-channel MOSFET allows the small surface-mount packages to pass large currents.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com Universal Serial Bus (USB) Applications The universal serial bus (USB) interface is a 12-Mb/s, or 1.5-Mb/s, multiplexed serial bus designed for low-to-medium bandwidth PC peripherals (e.g., keyboards, printers, scanners, and mice). The four-wire USB interface is conceived for dynamic attach-detach (hot plug-unplug) of peripherals.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com Low-Power and High-Power Bus-Powered Functions Both low-power and high-power bus-powered functions obtain all power from upstream ports; low-power functions always draw less than 100 mA; high-power functions must draw less than 100 mA at power up and can draw up to 500 mA after enumeration.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com TUSB2046 Hub Controller Upstream Port SN75240 BUSPWR A C B D GANGED D+ D- DP0 DP1 DM0 DM1 Tie to TPS2051B EN Input D+ 5V 33 µF (see Note A) DP3 OUT IN DM3 D+ A C B D 1 µF TPS76333 D- SN75240 Ferrite Beads GND DP4 IN 0.1 µF 4.7 µF 5V DM2 5-V Power Supply EN 3.3 V 4.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com TUSB2046 Hub Controller Upstream Port SN75240 BUSPWR A C B D GANGED D+ D- DP0 DP1 DM0 DM1 Tie to TPS2051B EN Input D+ A C B D GND OC 5V IN 5-V Power Supply 5V 33 µF (see Note A) DP3 OUT DM3 A C B D TPS76333 SN75240 D+ DFerrite Beads GND DP4 IN 0.1 µF 3.3 V 4.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com Generic Hot-Plug Applications In many applications, it may be necessary to remove modules or PC boards while the main unit is still operating. These are considered hot-plug applications. Such implementations require the control of current surges seen by the main power supply and the card being inserted.
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TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782B – NOVEMBER 2007 – REVISED OCTOBER 2011 www.ti.com Enable (EN) The logic enable disables the power switch and the bias for the charge pump, driver, and other circuitry to reduce the supply current. The supply current is reduced to less than 1 μA or 2 μA when a logic low is present on EN. A logic high input on EN restores bias to the drive and control circuits and turns the switch on. The enable input is compatible with both TTL and CMOS logic levels.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE MATERIALS INFORMATION www.ti.com 14-Mar-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) TPS2041BQDBVRQ1 SOT-23 DBV 5 3000 179.0 8.4 TPS2051BQDRQ1 SOIC D 8 2500 330.0 12.4 Pack Materials-Page 1 B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant 3.2 3.2 1.4 4.0 8.0 Q3 6.4 5.2 2.1 8.0 12.
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PACKAGE MATERIALS INFORMATION www.ti.com 14-Mar-2013 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) TPS2041BQDBVRQ1 SOT-23 DBV 5 3000 203.0 203.0 35.0 TPS2051BQDRQ1 SOIC D 8 2500 340.5 338.1 20.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.