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TLC5946RHBRG4 - Texas Instruments

Description: LED Display Drivers 16Ch,12B PWM LED Driver

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PCB Footprints
TLC5946RHBRG4 - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHB0032E_0021
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3D Models
TLC5946RHBRG4 - Texas Instruments  - 3D model - Quad Flat No-Lead - RHB0032E_0021
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TLC5946RHBRG4 Details

  • Manufacturer Part Number:

    TLC5946RHBRG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    VQFN-32

  • Pin Count:

    32

  • Country Of Origin:

    Malaysia, Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Data Input Mode:

    SERIAL

  • Display Mode:

    DOT MATRIX

  • 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 Functions:

    1

  • Number of Segments:

    16

  • 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:

    45 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:

    5 mm

  • fmax-Min:

    30 MHz

TLC5946RHBRG4 Frequently Asked Questions (FAQs)

  • The maximum frequency of the clock input is 30 MHz, but it's recommended to keep it below 20 MHz for reliable operation.
  • The TLC5946RHBRG4 has a built-in thermal shutdown feature that turns off the device when it overheats. To handle this, you can monitor the TSD (Thermal Shutdown) pin, which goes low when the device is in thermal shutdown. You can then take corrective action, such as reducing the current or turning off the device.
  • For optimal performance, it's recommended to follow a star-ground layout, where all ground connections are connected to a central point. This helps to reduce noise and improve thermal performance. Additionally, keep the power supply lines separate from the signal lines, and use decoupling capacitors to filter out noise.
  • The TLC5946RHBRG4 uses a 12-bit grayscale data format, where each bit represents a specific brightness level. You can program the grayscale data using the GSCLK (Grayscale Clock) and GSIN (Grayscale Input) pins. The device has an internal shift register that loads the grayscale data, which is then used to control the output current.
  • The maximum output current per channel is 60 mA, but it's recommended to keep it below 40 mA for reliable operation and to prevent overheating.

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TLC5946RHBRG4 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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