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LM5176RHFR - Texas Instruments

Description: Switching Controllers 55V wide VIN synchronous 4-switch buck-boost controller 28-VQFN -40 to 125

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PCB Footprints
LM5176RHFR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHF0028A
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3D Models
LM5176RHFR - Texas Instruments  - 3D model - Quad Flat No-Lead - RHF0028A
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LM5176RHFR Details

  • Manufacturer Part Number:

    LM5176RHFR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    55 V

  • Input Voltage-Min:

    4.2 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    55 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28,.16X.2,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    4 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    600 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:

    4 mm

LM5176RHFR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the switching node (SW) away from sensitive analog nodes, and use a shielded inductor to reduce EMI.
  • Use the TI WEBENCH Power Designer tool to generate a compensation network based on the specific application requirements. The tool provides a recommended compensation network based on the device's operating conditions.
  • The maximum allowed input voltage for the LM5176RHFR is 42V, but it's recommended to operate within the specified input voltage range of 4.5V to 38V for optimal performance and reliability.
  • The LM5176RHFR is rated for operation up to 125°C, but the device's performance and reliability may degrade at high temperatures. Ensure proper thermal design and heat sinking to maintain a safe operating temperature.
  • The OCP threshold is set by the RILIM resistor. Choose a suitable RILIM value based on the application's current requirements. Ensure the sense resistor (RS) is properly sized and connected to accurately sense the output current.

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LM5176RHFR 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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