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TPS40428RHAR - Texas Instruments

Description: Dual Output, 2-Phase, Stackable PMBus Synchronous Buck Driverless Controller

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TPS40428RHAR - Texas Instruments - PCB symbol
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PCB Footprints
TPS40428RHAR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHA (S-PVQFN-N40)_5
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3D Models
TPS40428RHAR - Texas Instruments - 3D model - Quad Flat No-Lead - RHA (S-PVQFN-N40)_5
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TPS40428RHAR Details

  • Manufacturer Part Number:

    TPS40428RHAR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    OUTPUT VOLTAGE IS STARTS FROM 0.6V

  • 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-PQCC-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:

    40 A

  • Output Voltage-Max:

    5 V

  • Output Voltage-Min:

    0.6 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

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1500 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

TPS40428RHAR Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS40428RHAR involves placing the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • The input capacitor should have a low ESR and be rated for the input voltage. A 10uF to 22uF ceramic capacitor is a good choice. The output capacitor should be a low-ESR ceramic or polymer capacitor with a value of 10uF to 47uF. The capacitor values and types should be chosen based on the specific application requirements.
  • The TPS40428RHAR is rated for operation from -40°C to 125°C. However, the device may not be able to deliver its full current capability at high temperatures. The device should be derated for temperature according to the datasheet.
  • To ensure stability, the TPS40428RHAR requires a minimum output capacitance of 10uF. The output capacitor should be placed close to the device, and the output voltage should be monitored to ensure it is within the specified range. Additionally, the input voltage should be well-regulated and free of noise.
  • Yes, the TPS40428RHAR is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard and is manufactured using a qualified process. However, the device should be used within its specified operating conditions and with proper PCB layout and thermal management.

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TPS40428RHAR 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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TPS40428RHAR Alternates

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Part Image TPS40428RHAT Texas Instruments

Dual Switching Controller, Voltage-mode, 40A, 1500kHz Switching Freq-Max, PQCC40