TLC5923DAP

Product Overview

Category

TLC5923DAP belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• TLC5923DAP is a 16-channel constant current sink driver.
• It operates with a wide supply voltage range of 3V to 5.5V.
• The device can handle a maximum output current of 120mA per channel.
• It offers a high clock frequency of up to 30MHz, enabling fast data transfer.
• TLC5923DAP supports both dot correction and grayscale control for precise LED display control.

Package

The TLC5923DAP is available in a small outline package (SOP) with 24 pins.

Essence

The essence of TLC5923DAP lies in its ability to efficiently drive LED displays and lighting systems by providing constant current sinking capabilities.

Packaging/Quantity

The TLC5923DAP is typically sold in reels or tubes, with each reel containing 2500 units.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Maximum Output Current: 120mA per channel
• Clock Frequency: Up to 30MHz
• Number of Channels: 16
• Package Type: SOP-24

Detailed Pin Configuration

The TLC5923DAP features the following 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 Control Input
22. XLAT - Latch Control Input
23. GSCLK - Grayscale Clock Input
24. GND - Ground

Functional Features

• Constant current sinking for LED displays and lighting applications.
• Dot correction and grayscale control for precise LED display control.
• Wide supply voltage range allows compatibility with various systems.
• High clock frequency enables fast data transfer.

Advantages and Disadvantages

Advantages

• Efficient LED driving capabilities.
• Precise control over LED displays.
• Wide supply voltage range for compatibility.
• Fast data transfer with high clock frequency.

Disadvantages

• Limited to constant current sinking applications.
• Requires external components for complete LED display systems.

Working Principles

The TLC5923DAP operates by receiving serial data input (SIN) and clock input (SCLK) signals. It then processes the data and controls the output channels accordingly. The device provides constant current sinking for LED displays, ensuring consistent brightness levels. Additionally, dot correction and grayscale control features allow for fine-tuning of individual LEDs, resulting in accurate and vibrant displays.

Detailed Application Field Plans

The TLC5923DAP finds extensive use in various applications, including:

1. LED matrix displays
2. LED signage
3. Automotive lighting systems
4. Decorative lighting
5. Backlighting for LCD panels
6. Architectural lighting

Detailed and Complete Alternative Models

1. TLC5922DAP: Similar to TLC5923DAP but with 8 channels instead of 16.
2. MAX7219CNG: LED display driver with serial interface and 8-digit control.
3. TLC5940NT: 16-channel LED driver with grayscale control and dot correction.

These alternative models offer similar functionality and can be considered as substitutes for the TLC5923DAP in various applications.

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