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TLC5946RHBT - Texas Instruments

Description: 16-Channel, 12-bit PWM LED Driver with 6-Bit Dot Correction

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TLC5946RHBT - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHB0032E  HEIGHT 1
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3D Models
TLC5946RHBT - Texas Instruments  - 3D model - Quad Flat No-Lead - RHB0032E  HEIGHT 1
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TLC5946RHBT Details

  • Manufacturer Part Number:

    TLC5946RHBT

  • 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:

    8542.39.00.90

  • 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

TLC5946RHBT Frequently Asked Questions (FAQs)

  • The maximum frequency of the clock input is 50 MHz. However, it's recommended to operate at 25 MHz or lower for reliable operation.
  • To ensure proper initialization, apply power to the device, then pulse the reset pin (RST) low for at least 100 ns. After releasing the reset pin, wait for at least 100 μs before sending data to the device.
  • The GSCLK pin is the grayscale clock input. It is used to update the grayscale data in the device. The frequency of the GSCLK determines the grayscale update rate.
  • The brightness of the LEDs is controlled by the grayscale data sent to the device. The grayscale data is an 8-bit value that determines the duty cycle of the PWM signal driving the LEDs. A higher grayscale value results in a brighter LED.
  • The TLC5946RHBT can sink up to 60 mA per channel. However, the total current sunk by all channels should not exceed 1.5 A.

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TLC5946RHBT 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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