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TLC5947DAP - Texas Instruments

Description: 24-Channel, 12-Bit PWM LED Driver with Internal Oscillator

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TLC5947DAP - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DAP (R-PDSO-G32)
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TLC5947DAP Details

  • Manufacturer Part Number:

    TLC5947DAP

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    HTSSOP-32

  • Pin Count:

    32

  • Country Of Origin:

    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-G32

  • JESD-609 Code:

    e4

  • Length:

    11 mm

  • Moisture Sensitivity Level:

    3

  • Multiplexed Display Capability:

    NO

  • Number of Channels:

    24

  • Number of Functions:

    1

  • Number of Segments:

    24

  • Number of Terminals:

    32

  • 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:

    TSSOP32,.3

  • 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:

    90 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:

    CMOS

  • 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:

    6.1 mm

  • fmax-Min:

    30 MHz

TLC5947DAP Frequently Asked Questions (FAQs)

  • The maximum frequency of the clock input is 25 MHz. However, it's recommended to use a clock frequency between 10 kHz to 10 MHz for optimal performance.
  • The recommended sequence is: GSCLK low, BLANK high, XLAT low, then GSCLK high. This sequence ensures proper data loading and blanking.
  • The OUTGRP pin is used to group multiple TLC5947 devices together to increase the total number of output channels. It allows the devices to be connected in a daisy-chain configuration.
  • The TLC5947 has a built-in thermal protection feature that limits the device junction temperature to 150°C. If the device overheats, it will shut down. To handle this, ensure proper heat sinking, reduce the current output, or implement a thermal monitoring system.
  • To minimize noise and ensure proper operation, keep the GSCLK, BLANK, and XLAT signal traces short and away from the output channels. Use a solid ground plane and decouple the power supply with capacitors.

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TLC5947DAP 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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