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LP8545SQX/NOPB - Texas Instruments

Description: Six channel high-efficiency LED backlight driver for notebooks with flexible ext/int FET control

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PCB Footprints
LP8545SQX/NOPB - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RTW0024A 2021
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3D Models
LP8545SQX/NOPB - Texas Instruments  - 3D model - Quad Flat No-Lead - RTW0024A 2021
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LP8545SQX/NOPB Details

  • Manufacturer Part Number:

    LP8545SQX/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

LP8545SQX/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general best practices for switching regulator layout, such as keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths.
  • To ensure stability, follow the recommended component values and PCB layout, and make sure the output capacitor has a low ESR (Equivalent Series Resistance). Additionally, the datasheet provides a stability analysis section that can help with component selection and verification.
  • The maximum input voltage rating for the LP8545SQX/NOPB is 15V, but it's recommended to operate within the specified input voltage range (5.5V to 12V) for optimal performance and reliability.
  • The LP8545SQX/NOPB has a junction temperature rating of 150°C, but the maximum operating temperature is 125°C. It's recommended to derate the device's performance and ensure proper thermal management when operating in high-temperature environments.
  • The power dissipation of the LP8545SQX/NOPB can be calculated using the equation: Pd = (Vin - Vout) x Iout x Efficiency. The datasheet provides efficiency curves and thermal resistance values to help with the calculation.

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LP8545SQX/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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