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TLC5924DAPR
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TLC5924DAPR

Product Overview

Category

TLC5924DAPR belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • High current capability
  • Serial input/output
  • Constant-current sink outputs
  • Wide operating voltage range
  • Daisy-chainable

Package

TLC5924DAPR is available in a small outline package (SOP) with 20 pins.

Essence

The essence of TLC5924DAPR lies in its ability to efficiently control and drive multiple LEDs, making it suitable for various display and lighting projects.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage: 3V to 5.5V
  • Output Current: Up to 120mA per channel
  • Number of Channels: 16
  • Serial Interface: I2C-compatible
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. GND (Ground)
  2. VCC (Supply Voltage)
  3. SDA (Serial Data Input)
  4. SCL (Serial Clock Input)
  5. OE (Output Enable)
  6. OUT0 (Channel 0 Output)
  7. OUT1 (Channel 1 Output)
  8. OUT2 (Channel 2 Output)
  9. OUT3 (Channel 3 Output)
  10. OUT4 (Channel 4 Output)
  11. OUT5 (Channel 5 Output)
  12. OUT6 (Channel 6 Output)
  13. OUT7 (Channel 7 Output)
  14. OUT8 (Channel 8 Output)
  15. OUT9 (Channel 9 Output)
  16. OUT10 (Channel 10 Output)
  17. OUT11 (Channel 11 Output)
  18. OUT12 (Channel 12 Output)
  19. OUT13 (Channel 13 Output)
  20. OUT14 (Channel 14 Output)
  21. OUT15 (Channel 15 Output)

Functional Features

  • Constant-current sink outputs ensure consistent brightness of LEDs.
  • Serial interface allows easy control and daisy-chaining of multiple ICs.
  • Wide operating voltage range enables compatibility with various power sources.

Advantages and Disadvantages

Advantages

  • High current capability allows driving of power-hungry LEDs.
  • Daisy-chainable feature simplifies wiring in large LED display setups.
  • Compatibility with a wide range of supply voltages enhances versatility.

Disadvantages

  • Limited number of channels may restrict the complexity of LED projects.
  • Requires external resistors for setting the desired LED current.

Working Principles

TLC5924DAPR operates by receiving serial data through the SDA and SCL pins, which is then decoded to control the output currents of each channel. The constant-current sink outputs ensure that the connected LEDs receive a stable and regulated current, resulting in consistent brightness levels.

Detailed Application Field Plans

TLC5924DAPR finds applications in various fields, including: 1. LED displays in advertising boards and scoreboards. 2. Decorative lighting installations. 3. Automotive interior/exterior lighting systems. 4. Backlighting for LCD panels. 5. Architectural lighting designs.

Detailed and Complete Alternative Models

  1. TLC5940: Similar to TLC5924DAPR but offers 16-bit grayscale control.
  2. MAX7219: LED driver IC with built-in multiplexing capabilities.
  3. HT16K33: I2C-controlled LED driver with integrated key scanning functionality.

These alternative models provide similar functionalities and can be considered based on specific project requirements.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de TLC5924DAPR em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of TLC5924DAPR in technical solutions:

  1. Q: What is TLC5924DAPR? A: TLC5924DAPR is a 16-channel constant current LED driver that can be used to control and drive LEDs in various applications.

  2. Q: What is the maximum output current of TLC5924DAPR? A: The TLC5924DAPR can provide a maximum output current of 120 mA per channel.

  3. Q: Can TLC5924DAPR be used with both common anode and common cathode LEDs? A: Yes, TLC5924DAPR can be used with both common anode and common cathode LEDs.

  4. Q: How many TLC5924DAPR devices can be cascaded together? A: Multiple TLC5924DAPR devices can be cascaded together to control a larger number of LEDs. Up to 8 devices can be cascaded using the serial data input and output pins.

  5. Q: What is the supply voltage range for TLC5924DAPR? A: The supply voltage range for TLC5924DAPR is typically between 3 V and 5.5 V.

  6. Q: Can TLC5924DAPR dim the LEDs? A: Yes, TLC5924DAPR supports individual LED brightness control, allowing you to dim the LEDs by adjusting the current levels.

  7. Q: Does TLC5924DAPR have built-in thermal shutdown protection? A: Yes, TLC5924DAPR has built-in thermal shutdown protection to prevent overheating and ensure safe operation.

  8. Q: Can TLC5924DAPR be controlled using a microcontroller? A: Yes, TLC5924DAPR can be easily controlled using a microcontroller through the serial data input and output pins.

  9. Q: What is the maximum clock frequency for TLC5924DAPR? A: The maximum clock frequency for TLC5924DAPR is typically 30 MHz.

  10. Q: Are there any evaluation boards or reference designs available for TLC5924DAPR? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help you get started with using TLC5924DAPR in your applications.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.