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TLC5955RTQR - Texas Instruments

Description: 48ch, 16bit PWM LED Driver with Dot-Correction, Brightness Control, Open/Short Detection

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PCB Footprints
TLC5955RTQR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RTQ0056G-2021
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3D Models
TLC5955RTQR - Texas Instruments  - 3D model - Quad Flat No-Lead - RTQ0056G-2021
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TLC5955RTQR Details

  • Manufacturer Part Number:

    TLC5955RTQR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    VQFN-56

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Data Input Mode:

    SERIAL

  • Display Mode:

    SEGMENT

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    S-PQCC-N56

  • JESD-609 Code:

    e4

  • Length:

    8 mm

  • Moisture Sensitivity Level:

    3

  • Multiplexed Display Capability:

    YES

  • Number of Channels:

    48

  • Number of Functions:

    1

  • Number of Segments:

    48

  • Number of Terminals:

    56

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC56,.31SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Current-Max:

    29 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    8 mm

  • fmax-Min:

    25 MHz

TLC5955RTQR Frequently Asked Questions (FAQs)

  • The maximum frequency of the clock input is 25 MHz, but it's recommended to use a frequency between 10 kHz to 10 MHz for optimal performance.
  • The TLC5955RTQR has a built-in thermal shutdown feature that turns off the device when it overheats. To handle this, ensure good thermal design and heat dissipation, and consider using a thermal monitoring circuit to detect and respond to thermal shutdown events.
  • To minimize noise and ensure reliable operation, it's recommended to use a star-connected power supply layout, where each power pin is connected to a separate power plane or trace, and decoupling capacitors are placed close to the device.
  • The TLC5955RTQR uses a 5-bit grayscale data format, where each pixel is represented by 5 bits (0-31). To program the grayscale data, use a serial interface to send the 5-bit data to the device, and ensure that the data is clocked in during the blanking period.
  • The OUTEN pin is an output enable pin that allows the device to tri-state its outputs when it's in a low-power state. This pin can be used to disable the outputs when the device is not in use, reducing power consumption.

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TLC5955RTQR 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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