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LM3642TLE/NOPB - Texas Instruments

Description: 1.5A Synchronous Boost LED Flash Driver w/ High-Side Current

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LM3642TLE/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LM3642TLE/NOPB - Texas Instruments PCB footprint - BGA - BGA - YZR009_2021
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3D Models
LM3642TLE/NOPB - Texas Instruments - 3D model - BGA - YZR009_2021
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LM3642TLE/NOPB Details

  • Manufacturer Part Number:

    LM3642TLE/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DSBGA-9

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PBGA-B9

  • JESD-609 Code:

    e1

  • Length:

    1.66 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Segments:

    1

  • Number of Terminals:

    9

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA9,3X3,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.675 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.5 V

  • Supply Voltage-Nom:

    3.6 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    2.5 V

  • Supply Voltage1-Nom:

    3.6 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    1.61 mm

LM3642TLE/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general high-frequency layout guidelines, such as keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths.
  • To ensure the LM3642TLE/NOPB operates within its thermal limits, calculate the junction temperature (TJ) using the formula provided in the datasheet, and ensure it stays below the maximum rated TJ of 150°C. Also, consider using a thermal pad or heat sink to improve heat dissipation.
  • Although the datasheet specifies a maximum input voltage of 5.5V, it's recommended to limit the input voltage to 5V to ensure reliable operation and prevent damage to the IC.
  • While the LM3642TLE/NOPB is rated for operation up to 125°C, its performance and reliability may degrade at high temperatures. Consider using a different IC or taking additional thermal management measures if your application requires high-temperature operation.
  • To troubleshoot issues with the LM3642TLE/NOPB, start by verifying the PCB layout and component values, then check the input and output voltage waveforms using an oscilloscope. Consult the datasheet and application notes for guidance on troubleshooting common issues.

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LM3642TLE/NOPB 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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