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TPS40140RHHT - Texas Instruments

Description: Texas Instruments TPS40140RHHT, Buck Controller Dual, 15 V Step-Down, 36-Pin, QFN

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PCB Footprints
TPS40140RHHT - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHH0036B HEIGHT=1
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3D Models
TPS40140RHHT - Texas Instruments  - 3D model - Quad Flat No-Lead - RHH0036B HEIGHT=1
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TPS40140RHHT Details

  • Manufacturer Part Number:

    TPS40140RHHT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    QFN

  • Pin Count:

    36

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    3.9

  • Additional Feature:

    ALSO OPERATES IN CURRENT MODE

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    2 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N36

  • JESD-609 Code:

    e4

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    2

  • Number of Terminals:

    36

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    25 A

  • Output Voltage-Max:

    5.8 V

  • Output Voltage-Min:

    0.7 V

  • Output Voltage-Nom:

    5.1 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC36,.25SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    5 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    PHASE-SHIFT

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    6 mm

TPS40140RHHT Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS40140RHHT involves placing the input capacitors close to the VIN pin, using a solid ground plane, and keeping the high-current paths short and wide. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • Choose input capacitors with a voltage rating of at least 1.5 times the maximum input voltage, and an ESR of less than 1 ohm. For output capacitors, select ones with a voltage rating of at least 1.5 times the output voltage, and an ESR of less than 0.1 ohm. X5R or X7R ceramic capacitors are recommended.
  • The TPS40140RHHT is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the thermal design. A good thermal design should ensure that the junction temperature stays below 125°C.
  • The power dissipation of the TPS40140RHHT can be calculated using the formula: Pd = (VIN x IIN) - (VOUT x IOUT). The junction temperature can be estimated using the thermal resistance (RθJA) and the power dissipation.
  • A good thermal design for the TPS40140RHHT involves using a heat sink with a thermal resistance of less than 10°C/W, and ensuring good airflow around the device. The thermal pad should be connected to a solid ground plane, and the PCB should be designed to minimize thermal resistance.

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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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