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TLC5941PWP - Texas Instruments

Description: 16 Channel LED Driver with Dot Correction and Grayscale PWM Control

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TLC5941PWP - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP (R-PDSO-G28)-
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TLC5941PWP Details

  • Manufacturer Part Number:

    TLC5941PWP

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Pin Count:

    28

  • Country Of Origin:

    Malaysia, Taiwan

  • 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-PDSO-G28

  • JESD-609 Code:

    e4

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    2

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    16

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    60 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

  • fmax-Min:

    30 MHz

TLC5941PWP Frequently Asked Questions (FAQs)

  • The maximum frequency of the clock input is 50 MHz, but it's recommended to use a clock frequency between 10 kHz to 20 MHz for optimal performance.
  • To ensure proper initialization, the TLC5941PWP requires a power-on reset (POR) pulse on the RST pin, followed by a clock pulse on the CLKIN pin. This sequence should be repeated after each power-up or reset.
  • The GSCLK pin is the grayscale clock input, which is used to update the grayscale data. It should be connected to a clock source with a frequency between 10 kHz to 20 MHz, and should be synchronized with the CLKIN pin.
  • The TLC5941PWP has a built-in thermal protection feature that shuts down the device when it exceeds a certain temperature threshold. To handle this, ensure good thermal design and heat dissipation, and consider using an external temperature sensor to monitor the device temperature.
  • To minimize noise and ensure proper operation, it's recommended to follow a star-topology layout, with the TLC5941PWP at the center. Keep the power and ground traces separate, and use a solid ground plane to reduce noise and EMI.

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TLC5941PWP 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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