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TLC5923DAPR
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TLC5923DAPR

Product Overview

Category

TLC5923DAPR belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • High current sink capability
  • Wide operating voltage range
  • Serial data input
  • Daisy-chainable
  • Constant-current output
  • Thermal shutdown protection

Package

TLC5923DAPR is available in a small outline package (SOP) with 20 pins.

Essence

The essence of TLC5923DAPR lies in its ability to efficiently control and drive LED displays and lighting systems.

Packaging/Quantity

This product is typically packaged in reels, containing a quantity of 2500 units per reel.

Specifications

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

Detailed Pin Configuration

  1. GND (Ground)
  2. SIN (Serial Data Input)
  3. SCLK (Serial Clock Input)
  4. BLANK (Blanking Control Input)
  5. XLAT (Latch Control Input)
  6. VCC (Supply Voltage)
  7. OUT0 (Channel 0 Output)
  8. OUT1 (Channel 1 Output)
  9. OUT2 (Channel 2 Output)
  10. OUT3 (Channel 3 Output)
  11. OUT4 (Channel 4 Output)
  12. OUT5 (Channel 5 Output)
  13. OUT6 (Channel 6 Output)
  14. OUT7 (Channel 7 Output)
  15. OUT8 (Channel 8 Output)
  16. OUT9 (Channel 9 Output)
  17. OUT10 (Channel 10 Output)
  18. OUT11 (Channel 11 Output)
  19. OUT12 (Channel 12 Output)
  20. OUT13 (Channel 13 Output)

Functional Features

  • High-current sink capability allows driving of multiple LEDs in parallel.
  • Serial data input simplifies control and reduces the number of required pins.
  • Daisy-chainable feature enables easy cascading of multiple TLC5923DAPR ICs.
  • Constant-current output ensures consistent brightness across LEDs.
  • Thermal shutdown protection prevents damage due to excessive heat.

Advantages

  • Efficiently drives LED displays and lighting systems.
  • Simplified control through serial data input.
  • Ability to cascade multiple ICs for larger applications.
  • Consistent brightness across LEDs due to constant-current output.
  • Protection against overheating with thermal shutdown feature.

Disadvantages

  • Limited to driving LEDs and not suitable for other types of loads.
  • Requires additional components for power supply and LED connections.

Working Principles

TLC5923DAPR operates by receiving serial data input, which is then converted into individual channel outputs. These outputs control the current flowing through each LED, ensuring consistent brightness. The IC can be daisy-chained to control multiple LED displays or lighting systems simultaneously.

Detailed Application Field Plans

TLC5923DAPR finds extensive use in various applications, including: - LED matrix displays - LED signage - Automotive lighting - Decorative lighting - Backlighting for LCD panels - Architectural lighting

Detailed and Complete Alternative Models

  1. MAX7219CNG
  2. TLC5940NT
  3. IS31FL3731
  4. HT16K33
  5. AS1130

These alternative models offer similar functionality and can be considered as substitutes for TLC5923DAPR in different applications.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af TLC5923DAPR i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of TLC5923DAPR in technical solutions:

  1. Q: What is the TLC5923DAPR? A: The TLC5923DAPR is a 16-channel constant current LED driver that can be used to control LEDs in various applications.

  2. Q: What is the maximum output current of the TLC5923DAPR? A: The TLC5923DAPR can provide a maximum output current of 120 mA per channel.

  3. Q: Can the TLC5923DAPR be used with both common anode and common cathode LEDs? A: Yes, the TLC5923DAPR can be used with both common anode and common cathode LEDs.

  4. Q: How many TLC5923DAPR devices can be cascaded together? A: Multiple TLC5923DAPR devices can be cascaded together to control a larger number of LEDs. Up to 8 devices can be cascaded using the serial data input/output pins.

  5. Q: What is the supply voltage range for the TLC5923DAPR? A: The supply voltage range for the TLC5923DAPR is typically between 3.3V and 5.5V.

  6. Q: Can the TLC5923DAPR be controlled using a microcontroller? A: Yes, the TLC5923DAPR can be easily controlled using a microcontroller through its serial interface.

  7. Q: Does the TLC5923DAPR have built-in thermal shutdown protection? A: Yes, the TLC5923DAPR has built-in thermal shutdown protection to prevent overheating.

  8. Q: Can the TLC5923DAPR be used in automotive applications? A: Yes, the TLC5923DAPR is suitable for automotive applications as it can operate over a wide temperature range and has ESD protection.

  9. Q: What is the maximum clock frequency supported by the TLC5923DAPR? A: The TLC5923DAPR supports a maximum clock frequency of 30 MHz.

  10. Q: Are there any evaluation boards or reference designs available for the TLC5923DAPR? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help users quickly prototype and implement solutions using the TLC5923DAPR.

Please note that these answers are general and may vary depending on the specific requirements and implementation of the TLC5923DAPR in a technical solution.