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TPS53681RSBT - Texas Instruments

Description: Dual-Channel 6+2/5+3 D-CAP+TM Multiphase Step-Down Controller with PMBus and NVM

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Symbol
TPS53681RSBT - Texas Instruments - PCB symbol
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PCB Footprints
TPS53681RSBT - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RSB0040E
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3D Models
TPS53681RSBT - Texas Instruments - 3D model - Quad Flat No-Lead - RSB0040E
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TPS53681RSBT Details

  • Manufacturer Part Number:

    TPS53681RSBT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2017-07-09

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    17 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    2

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    300 A

  • Output Voltage-Max:

    2.8125 V

  • Output Voltage-Min:

    0.25 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    ATEX

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

TPS53681RSBT Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS53681RSBT should prioritize thermal dissipation. Place the device near a thermal pad or a heat sink, and ensure that the thermal pad is connected to a solid ground plane. Use a 2-3 layer PCB with a solid ground plane on the bottom layer to reduce thermal resistance.
  • The compensation network for the TPS53681RSBT should be optimized based on the specific application requirements. A good starting point is to use the recommended values in the datasheet, and then adjust the compensation components (R1, R2, C1, and C2) based on the desired transient response and stability margin.
  • The TPS53681RSBT has an absolute maximum input voltage rating of 24V. However, the recommended operating input voltage range is 4.5V to 18V. Exceeding the absolute maximum rating can damage the device.
  • To ensure stability, follow the recommended layout and compensation network guidelines in the datasheet. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. A stability analysis using tools like TI's WEBENCH or SPICE simulations can also help identify potential stability issues.
  • The TPS53681RSBT has a maximum output current rating of 3A. However, the actual output current capability may be limited by the thermal performance of the device and the PCB. Ensure that the device is properly heatsinked and the PCB is designed for optimal thermal dissipation.

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TPS53681RSBT 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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