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TLC5947RHBR - Texas Instruments

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

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TLC5947RHBR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHB0032E
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TLC5947RHBR - Texas Instruments  - 3D model - Quad Flat No-Lead - RHB0032E
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TLC5947RHBR Details

  • Manufacturer Part Number:

    TLC5947RHBR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    32

  • Country Of Origin:

    Malaysia

  • 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:

    S-PQCC-N32

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    2

  • 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:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 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:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

  • fmax-Min:

    30 MHz

TLC5947RHBR Frequently Asked Questions (FAQs)

  • The maximum frequency of the clock input is 50 MHz, but it's recommended to keep it below 20 MHz for reliable operation.
  • To ensure proper initialization, apply power to the device, then pulse the reset pin (RST) low for at least 100 ns, and then release it. This will reset the device and prepare it for operation.
  • The GSCLK pin is the grayscale clock input, which is used to update the grayscale data in the device. It's essential for proper operation of the TLC5947RHBR.
  • The TLC5947RHBR has a built-in thermal shutdown feature that activates when the junction temperature exceeds 150°C. To handle this, ensure good thermal design and heat dissipation, and consider adding external thermal monitoring and shutdown circuitry if necessary.
  • To minimize noise and ensure reliable operation, keep the power and ground traces separate from the signal traces, use a solid ground plane, and keep the clock and data lines as short as possible.

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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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