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TLC5928PWG4
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TLC5928PWG4

Product Overview

Category

The TLC5928PWG4 belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • The TLC5928PWG4 is a high-performance, 16-channel constant current sink driver.
  • It operates with a wide supply voltage range of 3 V to 5.5 V.
  • The device can sink up to 120 mA per channel, making it suitable for driving medium to large-sized LED displays.
  • It offers excellent thermal performance due to its low thermal resistance package.

Package

The TLC5928PWG4 is available in a TSSOP-24 package.

Essence

The essence of this product lies in its ability to efficiently control and drive multiple LED channels with constant current.

Packaging/Quantity

The TLC5928PWG4 is typically sold in reels containing 2500 units.

Specifications

  • Supply Voltage Range: 3 V to 5.5 V
  • Number of Channels: 16
  • Maximum Current per Channel: 120 mA
  • Package Type: TSSOP-24
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TLC5928PWG4 has a total of 24 pins, which are 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. SDA (Serial Data Input)
  20. SCL (Serial Clock Input)
  21. BLANK (Blanking Input)
  22. XLAT (Latch Input)
  23. GSCLK (Gray Scale Clock Input)
  24. GND (Ground)

Functional Features

  • Constant current sink driver for LED displays and lighting applications.
  • High sink current capability of up to 120 mA per channel.
  • Serial interface for easy control and configuration.
  • Blanking input for display control.
  • Latch input for synchronization.
  • Gray scale clock input for controlling LED brightness.

Advantages and Disadvantages

Advantages

  • Wide supply voltage range allows compatibility with various systems.
  • High sink current capability enables driving medium to large-sized LED displays.
  • Excellent thermal performance due to low thermal resistance package.

Disadvantages

  • Limited to constant current sink applications.
  • Requires external components for proper operation.

Working Principles

The TLC5928PWG4 operates by receiving serial data and clock signals through the SDA and SCL pins, respectively. The received data is then latched and used to control the sink current of each channel. The device provides a constant current sink for driving LEDs, ensuring consistent brightness across all channels. The blanking input allows for display control, while the gray scale clock input enables control over LED brightness levels.

Detailed Application Field Plans

The TLC5928PWG4 finds extensive use in various applications, including: 1. LED matrix displays 2. LED signage 3. LED lighting fixtures 4. Automotive lighting systems 5. Backlighting for LCD displays

Detailed and Complete Alternative Models

  1. TLC5927PWG4: 16-channel constant current sink driver with similar specifications and pin configuration.
  2. TLC5940PWPG4: 16-channel constant current sink/source driver with grayscale control capability.
  3. MAX7219CNG+: 8-digit LED display driver with serial interface and constant current sink capability.

(Note: The above alternative models are provided as examples and may have different features and specifications.)

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技術ソリューションにおける TLC5928PWG4 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of TLC5928PWG4 in technical solutions:

  1. Q: What is the TLC5928PWG4? A: The TLC5928PWG4 is a constant-current LED driver that can control up to 16 channels of LEDs.

  2. Q: What is the maximum current per channel that the TLC5928PWG4 can handle? A: The TLC5928PWG4 can handle a maximum current of 120 mA per channel.

  3. Q: Can the TLC5928PWG4 be used with both common-anode and common-cathode LEDs? A: Yes, the TLC5928PWG4 can be used with both common-anode and common-cathode LEDs.

  4. Q: How many TLC5928PWG4 devices can be cascaded together? A: Multiple TLC5928PWG4 devices can be cascaded together to control more than 16 channels of LEDs.

  5. Q: What is the input voltage range for the TLC5928PWG4? A: The input voltage range for the TLC5928PWG4 is typically between 3 V and 5.5 V.

  6. Q: Does the TLC5928PWG4 have built-in thermal shutdown protection? A: Yes, the TLC5928PWG4 has built-in thermal shutdown protection to prevent overheating.

  7. Q: Can the TLC5928PWG4 be controlled using a microcontroller? A: Yes, the TLC5928PWG4 can be easily controlled using a microcontroller through its serial interface.

  8. Q: What is the maximum clock frequency supported by the TLC5928PWG4? A: The TLC5928PWG4 supports a maximum clock frequency of 30 MHz.

  9. Q: Can the TLC5928PWG4 dim the LEDs? A: Yes, the TLC5928PWG4 can dim the LEDs by adjusting the current levels using its control registers.

  10. Q: Is the TLC5928PWG4 suitable for automotive applications? A: Yes, the TLC5928PWG4 is suitable for automotive applications as it has a wide operating temperature range and is AEC-Q100 qualified.

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