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TLC5928DBQR
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TLC5928DBQR

Product Overview

Category

TLC5928DBQR belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • TLC5928DBQR 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.
  • TLC5928DBQR offers excellent accuracy and uniformity in current sinking across all channels.
  • It features a serial interface that allows easy control and daisy-chaining of multiple devices.
  • The device incorporates thermal shutdown protection to prevent damage due to excessive heat.

Package

TLC5928DBQR comes in a small-outline package (SOIC) with 24 pins.

Essence

The essence of TLC5928DBQR lies in its ability to efficiently drive LED displays and lighting systems by providing accurate and controlled current sinking for each channel.

Packaging/Quantity

This product is typically packaged in reels containing 2500 units.

Specifications

  • Supply Voltage Range: 3V to 5.5V
  • Sink Current per Channel: Up to 120mA
  • Number of Channels: 16
  • Serial Interface: Yes
  • Thermal Shutdown Protection: Yes
  • Package Type: SOIC-24

Detailed Pin Configuration

  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. SCLK - Serial Clock Input
  20. SIN - Serial Data Input
  21. BLANK - Blank Input
  22. XLAT - Latch Input
  23. GSCLK - Gray Scale Clock Input
  24. GND - Ground

Functional Features

  • Accurate and uniform current sinking for each channel.
  • Wide supply voltage range allows compatibility with various systems.
  • Serial interface enables easy control and daisy-chaining of multiple devices.
  • Thermal shutdown protection prevents damage from excessive heat.

Advantages and Disadvantages

Advantages

  • High-performance driver for LED displays and lighting applications.
  • Excellent accuracy and uniformity in current sinking.
  • Wide supply voltage range for compatibility.
  • Serial interface for easy control and daisy-chaining.

Disadvantages

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

Working Principles

TLC5928DBQR operates by receiving serial data through the SIN pin, which is then shifted into an internal shift register using the SCLK input. The data is latched onto the output channels when the XLAT input is triggered. The device sinks current from the outputs based on the received data, providing accurate current control for LED displays or lighting systems.

Detailed Application Field Plans

TLC5928DBQR finds extensive use in various applications, including: 1. LED matrix displays 2. LED signage 3. Automotive lighting systems 4. Backlighting for LCD panels 5. Architectural lighting 6. Stage lighting

Detailed and Complete Alternative Models

  1. TLC5927DBQR: Similar to TLC5928DBQR but with 12 channels instead of 16.
  2. MAX7219CNG: LED display driver with serial interface and 8-channel current sinking capability.
  3. TLC5940PWPR: 16-channel LED driver with grayscale control and higher current sinking capability.

These alternative models offer similar functionality and can be considered based on specific requirements and system constraints.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan TLC5928DBQR dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of TLC5928DBQR in technical solutions:

  1. Q: What is TLC5928DBQR? A: TLC5928DBQR is a 16-channel constant current LED driver with a built-in shift register and data latches.

  2. Q: What is the maximum output current of TLC5928DBQR? A: The maximum output current per channel is 120 mA.

  3. Q: Can TLC5928DBQR be used for driving RGB LEDs? A: Yes, TLC5928DBQR can be used to drive RGB LEDs by controlling the individual channels for each color.

  4. Q: How many TLC5928DBQR devices can be cascaded together? A: Multiple TLC5928DBQR devices can be cascaded together to control a larger number of LEDs. The exact number depends on the system requirements and communication protocol used.

  5. Q: What is the input voltage range for TLC5928DBQR? A: The input voltage range for TLC5928DBQR is typically between 3V and 5.5V.

  6. Q: Can TLC5928DBQR be controlled using a microcontroller? A: Yes, TLC5928DBQR can be easily controlled using a microcontroller through a serial interface such as SPI or I2C.

  7. Q: Does TLC5928DBQR have built-in thermal shutdown protection? A: Yes, TLC5928DBQR has built-in thermal shutdown protection to prevent overheating.

  8. Q: Can TLC5928DBQR dim the LEDs? A: Yes, TLC5928DBQR supports LED dimming by adjusting the current levels for each channel.

  9. Q: What is the maximum clock frequency for TLC5928DBQR? A: The maximum clock frequency for TLC5928DBQR is typically 30 MHz.

  10. Q: Can TLC5928DBQR be used in automotive applications? A: Yes, TLC5928DBQR is suitable for automotive applications as it can operate over a wide temperature range and has ESD protection.

Please note that these answers are general and may vary depending on the specific application and requirements.