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TLC5928PWPRG4
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TLC5928PWPRG4

Product Overview

Category

The TLC5928PWPRG4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for driving LED displays and lighting applications.

Characteristics

  • High current sink capability
  • Wide operating voltage range
  • Serial data input
  • Cascadable feature for driving multiple devices
  • Constant-current output

Package

The TLC5928PWPRG4 is available in a TSSOP-28 package.

Essence

The essence of this product lies in its ability to efficiently drive LED displays and lighting systems with high precision and reliability.

Packaging/Quantity

The TLC5928PWPRG4 is typically packaged in reels, containing 2500 units per reel.

Specifications

  • Supply Voltage: 3V to 5.5V
  • Output Current: Up to 120mA per channel
  • Number of Channels: 16
  • Communication Interface: Serial
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. GND (Ground)
  2. SIN (Serial Data Input)
  3. SCLK (Serial Clock Input)
  4. BLANK (Blanking Control Input)
  5. XLAT (Latch Control Input)
  6. VCC (Supply Voltage)
  7. OUT0 (Channel 0 Output)
  8. OUT1 (Channel 1 Output)
  9. OUT2 (Channel 2 Output)
  10. OUT3 (Channel 3 Output)
  11. OUT4 (Channel 4 Output)
  12. OUT5 (Channel 5 Output)
  13. OUT6 (Channel 6 Output)
  14. OUT7 (Channel 7 Output)
  15. OUT8 (Channel 8 Output)
  16. OUT9 (Channel 9 Output)
  17. OUT10 (Channel 10 Output)
  18. OUT11 (Channel 11 Output)
  19. OUT12 (Channel 12 Output)
  20. OUT13 (Channel 13 Output)
  21. OUT14 (Channel 14 Output)
  22. OUT15 (Channel 15 Output)
  23. VCC (Supply Voltage)
  24. GND (Ground)
  25. GND (Ground)
  26. GND (Ground)
  27. GND (Ground)
  28. GND (Ground)

Functional Features

  • High current sinking capability allows driving of high-power LEDs.
  • Serial data input simplifies the control interface.
  • Cascadable feature enables easy expansion for driving multiple devices.
  • Constant-current output ensures consistent brightness across all LEDs.

Advantages and Disadvantages

Advantages

  • High precision and accuracy in driving LED displays.
  • Wide operating voltage range provides flexibility in various applications.
  • Cascadable feature simplifies system design and reduces complexity.
  • Constant-current output ensures uniform brightness.

Disadvantages

  • Limited number of channels (16) may not be sufficient for large-scale applications.
  • Requires external components for proper operation.

Working Principles

The TLC5928PWPRG4 operates by receiving serial data input, which controls the state of each channel's output. The IC then sinks current from the connected LEDs, providing constant-current drive to ensure consistent brightness. The cascading feature allows multiple TLC5928PWPRG4 devices to be connected together, expanding the number of controllable channels.

Detailed Application Field Plans

The TLC5928PWPRG4 finds extensive use in various applications, including: 1. LED display panels in digital signage systems. 2. Automotive lighting systems, such as rear lights and dashboard indicators. 3. Architectural lighting for decorative purposes. 4. Industrial equipment status indicators. 5. Gaming machines and casino displays. 6. Consumer electronics, like smart TVs and home appliances.

Detailed and Complete Alternative Models

  1. TLC5927PWPRG4: Similar to the TLC5928PWPRG4, but with 12 channels instead of 16.
  2. TLC5940PWPRG4: Offers 16 channels like the TLC5928PWPRG4, but includes additional features such as grayscale control for each channel.

(Note: The alternative models mentioned above are just a few examples and not an exhaustive list.)

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Énumérez 10 questions et réponses courantes liées à l'application de TLC5928PWPRG4 dans les solutions techniques

  1. Question: What is the maximum output current of TLC5928PWPRG4?
    Answer: The TLC5928PWPRG4 has a maximum output current of 120 mA per channel.

  2. Question: Can TLC5928PWPRG4 be used in automotive applications?
    Answer: Yes, TLC5928PWPRG4 is suitable for automotive applications due to its wide operating temperature range and robust design.

  3. Question: What is the supply voltage range for TLC5928PWPRG4?
    Answer: The supply voltage range for TLC5928PWPRG4 is 3 V to 5.5 V.

  4. Question: Does TLC5928PWPRG4 support daisy-chaining for multiple devices?
    Answer: Yes, TLC5928PWPRG4 supports daisy-chaining, allowing easy expansion for controlling larger LED arrays.

  5. Question: What is the communication interface used by TLC5928PWPRG4?
    Answer: TLC5928PWPRG4 uses a simple serial interface compatible with SPI and QSPI protocols.

  6. Question: Can TLC5928PWPRG4 be used for dimming LEDs?
    Answer: Yes, TLC5928PWPRG4 provides 12-bit PWM control for precise LED dimming.

  7. Question: Is TLC5928PWPRG4 suitable for battery-powered applications?
    Answer: Yes, TLC5928PWPRG4's low power consumption makes it suitable for battery-powered applications.

  8. Question: What is the thermal performance of TLC5928PWPRG4?
    Answer: TLC5928PWPRG4 features thermal shutdown and thermal protection, ensuring reliable operation under varying conditions.

  9. Question: Can TLC5928PWPRG4 drive both common-anode and common-cathode LEDs?
    Answer: Yes, TLC5928PWPRG4 can drive both common-anode and common-cathode LEDs, providing flexibility in LED array design.

  10. Question: Are there any evaluation modules available for TLC5928PWPRG4?
    Answer: Yes, Texas Instruments offers evaluation modules for TLC5928PWPRG4 to facilitate testing and prototyping.