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LP8545SQE/NOPB - Texas Instruments

Description: High-Efficiency LED Backlight Driver for Notebooks

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LP8545SQE/NOPB - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - rtw-ren1
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LP8545SQE/NOPB - Texas Instruments  - 3D model - Quad Flat No-Lead - rtw-ren1
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LP8545SQE/NOPB Details

  • Manufacturer Part Number:

    LP8545SQE/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-N24

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Channels:

    6

  • Number of Functions:

    1

  • Number of Segments:

    60

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -30 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC24,.16SQ,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 Current-Max:

    0.001 mA

  • Supply Voltage-Max:

    22 V

  • Supply Voltage-Min:

    5.5 V

  • Supply Voltage-Nom:

    12 V

  • Supply Voltage1-Max:

    22 V

  • Supply Voltage1-Min:

    5.5 V

  • Supply Voltage1-Nom:

    12 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • 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:

    4 mm

  • fmax-Min:

    1.25 MHz

LP8545SQE/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the LP8545SQE/NOPB evaluation module documentation, which includes guidelines for component placement, trace routing, and thermal management to ensure optimal performance and minimize noise.
  • The output capacitor selection depends on the output voltage, output current, and desired ripple voltage. A general guideline is to use a low-ESR ceramic capacitor with a value between 10uF to 22uF. TI also provides a capacitor selection guide in the datasheet.
  • Although the datasheet specifies a maximum input voltage of 5.5V, TI recommends limiting the input voltage to 5V to ensure reliable operation and prevent damage to the device.
  • The LP8545SQE/NOPB has a built-in overcurrent protection feature that can be enabled by connecting the OCP pin to a resistor and capacitor network. The datasheet provides a detailed example of how to implement overcurrent protection.
  • The LP8545SQE/NOPB has a thermal derating of 12.5mA/°C above 25°C, which means that the maximum output current decreases as the junction temperature increases. This is specified in the datasheet and should be considered during design and thermal management.

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LP8545SQE/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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Part Image LP8545SQ/NOPB Texas Instruments

LED Driver, 60-Segment, PQCC24