TLC5925IDWRG4

Product Overview

Category: Integrated Circuit (IC)

Use: The TLC5925IDWRG4 is a high-performance, 16-channel constant current LED driver. It is designed to control and drive LEDs in various applications such as signage, displays, and lighting systems.

Characteristics: - Constant current output - Wide operating voltage range - High output current capability - Low power consumption - Thermal shutdown protection - Daisy-chainable for easy scalability

Package: The TLC5925IDWRG4 is available in a small surface mount package (SOIC-24) which ensures ease of integration into circuit boards.

Essence: This IC serves as a crucial component in LED control systems, providing precise and efficient current regulation to ensure optimal performance and longevity of LEDs.

Packaging/Quantity: The TLC5925IDWRG4 is typically sold in reels containing 2500 units per reel.

Specifications

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

Pin Configuration

The TLC5925IDWRG4 features a 24-pin Small Outline Integrated Circuit (SOIC) package. 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. BLANK (Blanking Input)
20. XLAT (Latching Input)
21. SCLK (Serial Clock Input)
22. SIN (Serial Data Input)
23. GND (Ground)
24. GND (Ground)

Functional Features

• Constant current output: Ensures consistent brightness across all connected LEDs.
• Wide operating voltage range: Allows compatibility with various power supply configurations.
• High output current capability: Supports driving high-power LEDs.
• Low power consumption: Optimizes energy efficiency.
• Thermal shutdown protection: Safeguards the IC from overheating.
• Daisy-chainable: Enables easy expansion of LED arrays by connecting multiple TLC5925IDWRG4 devices.

Advantages and Disadvantages

Advantages: - Precise current regulation for optimal LED performance. - Versatile application in signage, displays, and lighting systems. - Scalable design for easy integration into larger LED arrays. - Efficient power management for reduced energy consumption.

Disadvantages: - Limited to driving LEDs and not suitable for other types of loads. - Requires external components for proper operation. - May require additional circuitry for advanced control features.

Working Principles

The TLC5925IDWRG4 operates by receiving serial data input (SIN) and clock input (SCLK) signals. It uses this data to control the current flowing through each channel, thereby controlling the brightness of the connected LEDs. The IC incorporates a constant current sink architecture, ensuring that the LEDs receive a consistent current regardless of supply voltage variations.

Detailed Application Field Plans

The TLC5925IDWRG4 finds extensive application in various fields, including:

1. Signage: It can be used to drive LED modules in outdoor and indoor signage applications, providing vibrant and eye-catching displays.
2. Displays: The IC is suitable for driving LEDs in large-scale display panels, such as those used in stadiums, concerts, and advertising billboards.
3. Lighting Systems: It can be employed in architectural lighting systems, decorative lighting, and stage lighting setups, enabling precise control over LED brightness and color.

Detailed and Complete Alternative Models

• TLC5926IDWRG4: Similar to the TLC5925IDWRG4 but with 8 additional channels (24 channels in total).
• TLC5940PWPR: A 16-channel LED driver with integrated grayscale PWM control for smooth dimming effects.
• MAX7219CNG+: A versatile LED driver and display controller capable of driving up to 64 individual LEDs or 8-digit 7-segment displays.

These alternative models offer similar functionality and can be considered based on specific