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TPS40422RHAT - Texas Instruments

Description: Texas Instruments TPS40422RHAT, DC-DC Controller Dual, 20A, 20 V Step-Down, 1000 kHz, 40-Pin, VQFN

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PCB Footprints
TPS40422RHAT - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHA0040B_2021
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3D Models
TPS40422RHAT - Texas Instruments  - 3D model - Quad Flat No-Lead - RHA0040B_2021
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TPS40422RHAT Details

  • Manufacturer Part Number:

    TPS40422RHAT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    40

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 5.6V; 6.5 VOLT OUTPUT ALSO AVAILABLE

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-XQCC-N40

  • JESD-609 Code:

    e4

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • 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:

    60 A

  • Output Voltage-Max:

    5.6 V

  • Output Voltage-Min:

    0.6 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PHASE-SHIFT

  • Switching Frequency-Max:

    1000 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • 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

TPS40422RHAT Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS40422RHAT 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 low ESR (Equivalent Series Resistance) and a high ripple current rating. For output capacitors, choose ones with a low ESR and a high capacitance value. The datasheet recommends a minimum of 10uF for the input capacitor and 22uF for the output capacitor.
  • The TPS40422RHAT can operate in an ambient temperature range of -40°C to 125°C. However, the junction temperature should not exceed 150°C.
  • The output voltage of the TPS40422RHAT can be calculated using the formula: VOUT = 0.8V x (1 + RFBT/RFB) where RFBT and RFB are the feedback resistors. The datasheet provides a table to help with the calculation.
  • The maximum input voltage for the TPS40422RHAT is 42V. Exceeding this voltage may damage the device.

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TPS40422RHAT 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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