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TPS54494RSAR - Texas Instruments

Description: 4A Dual Channel Synchronous Step-Down Switcher with Integrated FET

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PCB Footprints
TPS54494RSAR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RSA (S-PVQFN-N16)(H=1mm)
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3D Models
TPS54494RSAR - Texas Instruments  - 3D model - Quad Flat No-Lead - RSA (S-PVQFN-N16)(H=1mm)
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TPS54494RSAR Details

  • Manufacturer Part Number:

    TPS54494RSAR

  • 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

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    2

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    4 A

  • Output Voltage-Max:

    7 V

  • Output Voltage-Min:

    0.76 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC16,.16SQ,25

  • 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):

    2 mA

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    700 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

TPS54494RSAR Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and a thermal relief pattern around the device is recommended. Ensure that the thermal pad is connected to a large copper area to dissipate heat efficiently.
  • Use the recommended output filter components (L, C, and R) and follow the guidelines in the datasheet for component selection. Additionally, consider using a shielded inductor and placing the output filter components close to the device to minimize noise and ripple.
  • A low-ESR ceramic capacitor (X5R or X7R dielectric) with a value of 10-22uF is recommended. The capacitor should be placed close to the device's input pins to minimize noise and ripple.
  • Monitor the device's junction temperature (TJ) and ensure it stays within the recommended range (-40°C to 150°C). Also, ensure the input voltage (VIN) and output voltage (VOUT) are within the recommended ranges (2.7V to 5.5V and 0.8V to 3.3V, respectively).
  • Use the device's built-in thermal monitoring feature, which shuts down the device when the junction temperature exceeds 150°C. Additionally, consider using an external thermal monitoring IC or a microcontroller to monitor the device's temperature and shut it down if necessary.

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TPS54494RSAR 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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