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TLC5929RGET
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TLC5929RGET

Product Overview

Category

TLC5929RGET belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • TLC5929RGET 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 supports a maximum output current of 80mA per channel.
  • It offers a grayscale PWM (Pulse Width Modulation) control for smooth brightness adjustment.
  • TLC5929RGET has built-in thermal shutdown protection to prevent overheating.

Package

The TLC5929RGET is available in a small outline package (SOP) with 24 pins.

Essence

The essence of TLC5929RGET lies in its ability to efficiently drive LED displays and lighting systems by providing precise current control.

Packaging/Quantity

This product is typically sold in reels or tubes containing a quantity of 250 units per package.

Specifications

  • Supply Voltage Range: 3V to 5.5V
  • Maximum Output Current: 80mA per channel
  • Number of Channels: 16
  • Grayscale Control: PWM
  • Thermal Shutdown Protection: Yes
  • Package Type: SOP
  • Pin Count: 24

Detailed Pin Configuration

The TLC5929RGET features a total of 24 pins, each serving a specific function. The pin configuration is 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. GND - Ground
  20. SDA - Serial Data Input
  21. SCL - Serial Clock Input
  22. BLANK - Blank Control Input
  23. XLAT - Latch Control Input
  24. GND - Ground

Functional Features

  • TLC5929RGET provides precise constant current sinking for LED driving applications.
  • It supports a wide range of supply voltages, making it versatile for various systems.
  • The device offers grayscale control through PWM, allowing smooth brightness adjustment.
  • Built-in thermal shutdown protection ensures safe operation by preventing overheating.

Advantages and Disadvantages

Advantages

  • High-performance LED driver with precise current control.
  • Wide supply voltage range enhances compatibility.
  • Grayscale control enables smooth brightness adjustment.
  • Thermal shutdown protection prevents overheating.

Disadvantages

  • Limited to driving LED displays and lighting applications.
  • Requires additional external components for complete functionality.

Working Principles

TLC5929RGET operates by receiving serial data input (SDA) and serial clock input (SCL) signals. These signals control the grayscale PWM modulation and latch control (XLAT). The device then sinks the required current through the corresponding output channels to drive the connected LEDs. The blank control input (BLANK) allows for turning off all outputs simultaneously.

Detailed Application Field Plans

The TLC5929RGET is widely used in various applications, including: - LED displays for advertising boards and signage. - Automotive lighting systems. - Backlighting for LCD panels. - Decorative lighting in architectural designs. - Stage lighting for concerts and events.

Detailed and Complete Alternative Models

  1. TLC5940RGET: Similar to TLC5929RGET, but with 16-channel constant current sink driver and grayscale control.
  2. MAX7219CNG+: 8-digit LED display driver with serial interface and constant current output.
  3. HT16K33: 16-channel LED driver with keyscan and I2C interface.

These alternative models offer similar functionality and can be considered as alternatives to TLC5929RGET based on specific requirements and system compatibility.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TLC5929RGET i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TLC5929RGET in technical solutions:

  1. Q: What is the TLC5929RGET? A: The TLC5929RGET is a constant current LED driver IC that can control up to 16 channels of LEDs.

  2. Q: What is the maximum output current of the TLC5929RGET? A: The TLC5929RGET can provide a maximum output current of 120 mA per channel.

  3. Q: Can the TLC5929RGET be used with both common anode and common cathode LEDs? A: Yes, the TLC5929RGET can be used with both common anode and common cathode LEDs.

  4. Q: How many TLC5929RGET devices can be cascaded together? A: Multiple TLC5929RGET devices can be cascaded together to control a larger number of LEDs. The exact number depends on the specific application and system requirements.

  5. Q: What is the communication interface used by the TLC5929RGET? A: The TLC5929RGET uses a serial interface (SPI) for communication with a microcontroller or other control device.

  6. Q: Can the TLC5929RGET dim the LEDs? A: Yes, the TLC5929RGET supports PWM (Pulse Width Modulation) dimming, allowing precise control of LED brightness.

  7. Q: What is the supply voltage range for the TLC5929RGET? A: The TLC5929RGET operates with a supply voltage range of 3.3V to 5.5V.

  8. Q: Does the TLC5929RGET have built-in thermal protection? A: Yes, the TLC5929RGET has built-in thermal shutdown protection to prevent overheating.

  9. Q: Can the TLC5929RGET be used in automotive applications? A: Yes, the TLC5929RGET is suitable for automotive applications as it can operate in a wide temperature range and has ESD protection.

  10. Q: Are there any evaluation boards or reference designs available for the TLC5929RGET? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help developers quickly prototype and integrate the TLC5929RGET into their applications.

Please note that these answers are general and may vary depending on the specific requirements and implementation of the TLC5929RGET in different technical solutions.