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LMQ66420MC5RXBRQ1 - Texas Instruments

Description: Switching Voltage Regulators Automotive, 36-V, 2-A low-EMI synchronous step-down converter with 1.5-uA IQ 14-VQFN-FCRLF -40 to 150

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PCB Footprints
LMQ66420MC5RXBRQ1 - Texas Instruments PCB footprint - Other - Other - RXB0014A
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3D Models
LMQ66420MC5RXBRQ1 - Texas Instruments  - 3D model - Other - RXB0014A
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LMQ66420MC5RXBRQ1 Details

  • Manufacturer Part Number:

    LMQ66420MC5RXBRQ1

  • 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:

    ALSO HAS PFM CONTROL

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    13.5 V

  • JESD-30 Code:

    S-PQCC-N14

  • JESD-609 Code:

    e4

  • Length:

    2.6 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2 A

  • Output Voltage-Max:

    35 V

  • Output Voltage-Min:

    1 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HQCCN

  • Package Equivalence Code:

    LCC14,.1SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.05 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2200 kHz

  • 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:

    2.6 mm

LMQ66420MC5RXBRQ1 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good thermal design practices, such as using a solid ground plane, minimizing thermal resistance, and keeping the device away from heat sources.
  • Verify that the input voltage, output current, and ambient temperature are within the specified ranges. Also, ensure proper thermal management, and consider using thermal monitoring and protection circuits if necessary.
  • The enable pin (EN) is a digital input and should not exceed the maximum rating of 6V. Exceeding this voltage may damage the device.
  • While the LMQ66420MC5RXBRQ1 is a high-performance device, it's essential to consult with Texas Instruments or a qualified reliability engineer to ensure the device meets the specific requirements of your high-reliability or automotive application.
  • Follow the recommended power sequencing and startup procedures outlined in the datasheet. Ensure that the input voltage is stable and within the specified range before enabling the device.

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LMQ66420MC5RXBRQ1 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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