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LP5521TM/NOPB - Texas Instruments

Description: 3 channel RGB/White LED driver with internal program memory and integrated charge pump

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PCB Footprints
LP5521TM/NOPB - Texas Instruments PCB footprint - BGA - BGA - YFQ0020xxx height 0.675
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LP5521TM/NOPB - Texas Instruments  - 3D model - BGA - YFQ0020xxx height 0.675
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LP5521TM/NOPB Details

  • Manufacturer Part Number:

    LP5521TM/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    BGA

  • Pin Count:

    20

  • 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-PBGA-B20

  • JESD-609 Code:

    e1

  • Length:

    2.066 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    YES

  • Number of Channels:

    3

  • Number of Functions:

    1

  • Number of Segments:

    3

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -30 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA20,4X5,16

  • 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:

    0.002 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    3.6 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    2.7 V

  • Supply Voltage1-Nom:

    3.6 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL EXTENDED

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    1.717 mm

  • fmax-Min:

    0.4 MHz

LP5521TM/NOPB Frequently Asked Questions (FAQs)

  • The recommended layout and routing for the LP5521 involves keeping the power traces as short and wide as possible, and using a solid ground plane to reduce noise and EMI. It's also important to keep the analog and digital sections separate to minimize noise coupling.
  • To optimize the LP5521's performance, you should consider factors such as the input voltage, output current, and switching frequency. You can use TI's WEBENCH Power Designer tool to simulate and optimize the design for your specific application.
  • The LP5521 has a thermal pad that must be connected to a solid ground plane to dissipate heat. You should also ensure good airflow around the device and avoid blocking the airflow with other components. The maximum junction temperature is 150°C.
  • To troubleshoot issues with the LP5521, start by checking the input voltage, output voltage, and current. Use an oscilloscope to check for noise and ringing on the output. Check the layout and routing for any issues, and ensure that the device is properly soldered and connected.
  • The LP5521 is a switching regulator that can generate EMI. To minimize EMI, use a shielded inductor, keep the layout compact, and use a common-mode choke. Ensure that the device meets the relevant EMC standards for your application.

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LP5521TM/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 LP5521TM Texas Instruments

LED Driver, 3-Segment, PBGA20