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LP3954RL/NOPB - Texas Instruments

Description: LED Lighting Drivers Advanced Lighting Management Unit 36-DSBGA

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PCB Footprints
LP3954RL/NOPB - Texas Instruments PCB footprint - BGA - BGA - YPG0036-1
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LP3954RL/NOPB - Texas Instruments  - 3D model - BGA - YPG0036-1
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LP3954RL/NOPB Details

  • Manufacturer Part Number:

    LP3954RL/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    S-XBGA-B36

  • JESD-609 Code:

    e2

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    13

  • Number of Terminals:

    36

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -30 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA36,6X6,20

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.725 mm

  • Supply Current-Max:

    0.4 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.6 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    1.65 V

  • Supply Voltage1-Nom:

    2.8 V

  • Surface Mount:

    YES

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Tin/Silver (Sn/Ag)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    BOTTOM

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

    30

  • fmax-Min:

    13 MHz

LP3954RL/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a thermal pad on the bottom of the package, connected to a copper plane on the PCB to dissipate heat. A minimum of 2oz copper thickness is recommended for the copper plane.
  • To ensure reliable startup, make sure the input voltage rises monotonically and does not droop during startup. Also, ensure that the input capacitor is properly sized to filter out noise and provide sufficient energy storage.
  • The maximum allowed voltage on the EN pin is 6V. Exceeding this voltage may damage the device.
  • Yes, the LP3954RL/NOPB is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. Ensure that the device is properly derated and that the PCB is designed to handle high temperatures.
  • Start by checking the input voltage, output voltage, and enable pin voltage. Use an oscilloscope to check for noise and oscillations on the output. Also, check the PCB layout for thermal issues and ensure that the device is properly soldered.

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LP3954RL/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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