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LP3954TL/NOPB - Texas Instruments

Description: LED Lighting Drivers Advanced Lighting Management Unit 36-DSBGA -30 to 85

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LP3954TL/NOPB - Texas Instruments PCB footprint - BGA - BGA - YZR0036-1
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LP3954TL/NOPB - Texas Instruments  - 3D model - BGA - YZR0036-1
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LP3954TL/NOPB Details

  • Manufacturer Part Number:

    LP3954TL/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    MICROSMD-36

  • 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-XBGA-B36

  • JESD-609 Code:

    e1

  • Length:

    3.5 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Channels:

    13

  • 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

  • Output Polarity:

    TRUE

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA36,6X6,20

  • 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 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

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • 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:

    3.3 mm

  • fmax-Min:

    13 MHz

LP3954TL/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern on the top layer to minimize thermal resistance. A minimum of 2 oz copper thickness is recommended for optimal thermal performance.
  • To ensure reliable startup and shutdown, it is recommended to add a 10uF capacitor between the VIN pin and GND, and a 1uF capacitor between the VOUT pin and GND. This helps to filter out noise and ensure a clean startup and shutdown sequence.
  • Although the datasheet specifies a maximum input voltage of 15V, it is recommended to limit the input voltage to 12V to ensure reliable operation and to prevent damage to the device.
  • The output voltage of the LP3954TL/NOPB can be adjusted by connecting a resistor divider network between the VOUT pin and the ADJ pin. The output voltage can be calculated using the formula: VOUT = 1.23V x (1 + R1/R2), where R1 and R2 are the resistors in the divider network.
  • The minimum input voltage required for the LP3954TL/NOPB to operate is 6.5V. However, it is recommended to operate the device with an input voltage of at least 7V to ensure reliable operation and to prevent dropout.

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LP3954TL/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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