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TLC5922DAP
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TLC5922DAP

Product Overview

Category

TLC5922DAP belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • TLC5922DAP is a high-performance, 16-channel constant current sink driver.
  • It operates with a wide supply voltage range of 3V to 5.5V.
  • The device can sink up to 120mA per channel, making it suitable for driving medium to large-sized LED displays.
  • TLC5922DAP offers excellent thermal performance due to its low thermal resistance package.

Package

The TLC5922DAP comes in a small outline package (SOP) with 24 pins.

Essence

The essence of TLC5922DAP lies in its ability to provide precise and efficient control of LED currents, enabling vibrant and visually appealing displays.

Packaging/Quantity

The TLC5922DAP is typically available in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage Range: 3V to 5.5V
  • Maximum Output Current: 120mA per channel
  • Number of Channels: 16
  • Package Type: SOP-24

Detailed Pin Configuration

The TLC5922DAP has 24 pins arranged as follows:

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

Functional Features

  • Precise constant current sink capability for LED driving.
  • High output current per channel allows driving of medium to large-sized LED displays.
  • Flexible control options through serial data input and clock signals.
  • Integrated latch functionality for synchronized updates of LED outputs.
  • Supports gray scale control for smooth intensity variations.

Advantages and Disadvantages

Advantages

  • High-performance LED driver with precise current control.
  • Wide supply voltage range allows compatibility with various systems.
  • Excellent thermal performance due to low thermal resistance package.
  • Flexible control options enable versatile LED display applications.

Disadvantages

  • Limited to sinking current, not suitable for driving LED sources that require sourcing current.
  • Requires external components for proper operation (e.g., resistors for setting LED currents).

Working Principles

The TLC5922DAP operates by receiving serial data input and clock signals to control the current sinking behavior of its 16 output channels. The device utilizes a constant current sink architecture, ensuring consistent and accurate LED current regulation. The integrated latch functionality allows synchronized updates of LED outputs, preventing visual artifacts during display updates. The gray scale clock input enables smooth intensity variations in LED displays.

Detailed Application Field Plans

The TLC5922DAP finds extensive use in various applications, including: - LED matrix displays - LED signage - Automotive lighting systems - Decorative lighting - Gaming machines - Industrial control panels

Detailed and Complete Alternative Models

Some alternative models to TLC5922DAP that offer similar functionality are: - MAX7219CNG - TLC5940NT - TLC5973RHB

These alternatives provide comparable features and can be considered based on specific application requirements.

In conclusion, the TLC5922DAP is a high-performance LED driver IC designed for driving LED displays and lighting applications. With its precise current control, wide supply voltage range, and flexible control options, it offers numerous advantages for various display and lighting projects. However, it is important to consider its limitations, such as the inability to source current and the need for external components. The working principles of this IC involve constant current sinking and synchronized updates through latch functionality. Its application field plans include LED matrix displays, signage, automotive lighting, and more. Additionally, alternative models like MAX7219CNG, TLC5940NT, and TLC5973RHB can be explored for similar functionalities.

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät TLC5922DAP :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of TLC5922DAP in technical solutions:

  1. Q: What is TLC5922DAP? A: TLC5922DAP 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 TLC5922DAP? A: The TLC5922DAP can provide a maximum output current of 120 mA per channel.

  3. Q: Can TLC5922DAP be used with both common anode and common cathode LEDs? A: Yes, TLC5922DAP can be used with both common anode and common cathode LEDs.

  4. Q: How many TLC5922DAP devices can be cascaded together? A: Multiple TLC5922DAP 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 TLC5922DAP? A: The supply voltage range for TLC5922DAP is typically between 3V and 5.5V.

  6. Q: Can TLC5922DAP dim the LEDs? A: Yes, TLC5922DAP supports individual LED brightness control, allowing you to dim the LEDs by adjusting the current levels.

  7. Q: Does TLC5922DAP have built-in thermal shutdown protection? A: Yes, TLC5922DAP has built-in thermal shutdown protection to prevent overheating and ensure safe operation.

  8. Q: Can TLC5922DAP be controlled using a microcontroller? A: Yes, TLC5922DAP can be easily controlled using a microcontroller through its serial interface.

  9. Q: What is the maximum clock frequency supported by TLC5922DAP? A: The maximum clock frequency supported by TLC5922DAP is 30 MHz.

  10. Q: Can TLC5922DAP be used in automotive applications? A: Yes, TLC5922DAP is suitable for automotive applications as it can operate over a wide temperature range and has built-in ESD protection.

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