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TLC5951RHAT - Texas Instruments

Description: 12-Bit PWM LED Driver

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PCB Footprints
TLC5951RHAT - Texas Instruments PCB footprint - Other - Other - QFN50P600X600X100-41N
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3D Models
TLC5951RHAT - Texas Instruments  - 3D model - Other - QFN50P600X600X100-41N
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TLC5951RHAT Details

  • Manufacturer Part Number:

    TLC5951RHAT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    40

  • 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-N40

  • JESD-609 Code:

    e4

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    24

  • Number of Terminals:

    40

  • 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:

    LCC40,.24SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Current-Max:

    55 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:

    6 mm

  • fmax-Min:

    30 MHz

TLC5951RHAT Frequently Asked Questions (FAQs)

  • The maximum frequency of the clock input is 25 MHz, but it's recommended to keep it below 10 MHz for reliable operation.
  • The TLC5951RHAT has a built-in thermal shutdown feature that turns off the device when it overheats. To handle this, you can monitor the TSD 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-connected layout for the device, with the GND pin at the center. This helps to reduce noise and improve signal integrity. Additionally, keep the power and ground traces separate and use a solid ground plane to reduce EMI.
  • The TLC5951RHAT uses a 5-bit grayscale data format, where each bit corresponds to a specific brightness level. You can program the device's grayscale data using the SDI pin, which accepts serial data. You can use a microcontroller or other external device to generate the grayscale data and send it to the TLC5951RHAT.
  • The OUTEN pin is used to enable or disable the output drivers of the TLC5951RHAT. When OUTEN is high, the output drivers are enabled, and when it's low, they're disabled. This pin can be used to turn off the output drivers when they're not in use, reducing power consumption and heat generation.

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TLC5951RHAT 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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LED Driver, 24-Segment, BICMOS, PQCC40