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LM3463SQ/NOPB - Texas Instruments

Description: 6-Channel High Voltage, Constant Current LED Driver with Dynamic Headroom Control

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LM3463SQ/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LM3463SQ/NOPB - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHS (S-PWQFN-N48)5
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LM3463SQ/NOPB - Texas Instruments - 3D model - Quad Flat No-Lead - RHS (S-PWQFN-N48)5
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LM3463SQ/NOPB Details

  • Manufacturer Part Number:

    LM3463SQ/NOPB

  • 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

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    S-PQCC-N48

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    3

  • Multiplexed Display Capability:

    NO

  • Number of Channels:

    6

  • Number of Functions:

    1

  • Number of Segments:

    9

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC48,.27SQ,20

  • 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:

    0.8 mm

  • Supply Voltage-Max:

    95 V

  • Supply Voltage-Min:

    12 V

  • Supply Voltage-Nom:

    48 V

  • Supply Voltage1-Max:

    95 V

  • Supply Voltage1-Min:

    12 V

  • Supply Voltage1-Nom:

    48 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    7 mm

  • fmax-Min:

    1.15 MHz

LM3463SQ/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer or 4-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern on the top layer to ensure good thermal conductivity. Additionally, keeping the PCB traces away from the device's thermal pad and using thermal vias can help to reduce thermal resistance.
  • To ensure reliable start-up, make sure to follow the recommended start-up sequence, which involves applying the input voltage before the enable signal. Also, ensure that the input voltage is within the recommended range and that the output capacitor is properly sized to handle the inrush current.
  • The maximum allowed voltage on the EN pin is 6V. Exceeding this voltage can damage the device. It's recommended to use a voltage divider or a level shifter to ensure that the EN pin voltage remains within the recommended range.
  • The LM3463SQ/NOPB is rated for operation up to 150°C, but it's recommended to derate the output current and input voltage as the temperature increases. Consult the datasheet for specific derating guidelines and ensure that the device is properly heatsinked to prevent overheating.
  • To troubleshoot oscillations or instability issues, check the PCB layout for any signs of resonance or noise coupling. Ensure that the input and output capacitors are properly sized and placed, and that the feedback loop is properly compensated. Also, verify that the device is operating within the recommended input voltage and output current ranges.

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LM3463SQ/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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