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TPS54140DGQ - Texas Instruments

Description: 3.5V to 42V Input, 1.5A Step-Down Converter with Eco-Mode

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TPS54140DGQ - Texas Instruments - PCB symbol
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PCB Footprints
TPS54140DGQ - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DGQ (S-PDSO-G10)
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3D Models
TPS54140DGQ - Texas Instruments - 3D model - Small Outline Packages - DGQ (S-PDSO-G10)
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TPS54140DGQ Details

  • Manufacturer Part Number:

    TPS54140DGQ

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MSOP

  • Pin Count:

    10

  • Country Of Origin:

    Mainland China, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    42 V

  • Input Voltage-Min:

    3.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PDSO-G10

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Max:

    39 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP10,.19,20

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2500 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3 mm

TPS54140DGQ Frequently Asked Questions (FAQs)

  • The TPS54140DGQ can handle input voltages up to 60V, but it's recommended to operate within the specified input voltage range of 4.5V to 40V for optimal performance.
  • To ensure stability, it's essential to follow the recommended layout and component selection guidelines, including the use of a suitable output capacitor and a low-ESR input capacitor. Additionally, the output voltage can be adjusted using the FB pin, and the EN pin can be used to enable or disable the device.
  • The TPS54140DGQ can provide up to 4A of output current, but this may vary depending on the input voltage, output voltage, and thermal conditions. It's essential to check the device's thermal performance and adjust the output current accordingly.
  • The TPS54140DGQ has built-in overcurrent protection (OCP) and thermal shutdown (TSD) features. The OCP limit is typically set to 5.5A, and the TSD threshold is around 150°C. However, it's still important to follow proper thermal design and layout guidelines to ensure the device operates within safe limits.
  • The TPS54140DGQ is rated for operation up to 125°C, but the device's performance and reliability may degrade at higher temperatures. It's essential to consider the device's thermal performance and adjust the design accordingly to ensure reliable operation in high-temperature environments.

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TPS54140DGQ Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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