TLC5916IDR

Product Overview

Category

TLC5916IDR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for driving LEDs (Light Emitting Diodes) in various applications.

Characteristics

• TLC5916IDR is a 16-channel constant current LED driver.
• It operates with a supply voltage range of 3V to 5.5V.
• The device supports both dot correction and brightness control.
• It offers a high output current accuracy of ±1.5%.
• TLC5916IDR has a thermal shutdown protection feature to prevent overheating.

Package

The TLC5916IDR is available in a small outline package (SOIC) with 24 pins.

Essence

The essence of TLC5916IDR lies in its ability to efficiently drive multiple LEDs, ensuring accurate current control and brightness adjustment.

Packaging/Quantity

This product is typically sold in reels or tubes, containing a specific quantity of TLC5916IDR ICs per package.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Output Current Accuracy: ±1.5%
• Number of Channels: 16
• Package Type: SOIC-24

Detailed Pin Configuration

The TLC5916IDR features 24 pins, each serving a specific purpose. Here is a 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. SDA - Serial Data Input
20. SCL - Serial Clock Input
21. OE - Output Enable
22. IREF - Reference Current Input
23. VDD - Supply Voltage
24. GND - Ground

Functional Features

• Constant current output for driving LEDs.
• Dot correction feature for precise brightness adjustment.
• Serial data input and clock input for easy control.
• Output enable pin for turning off all channels simultaneously.
• Thermal shutdown protection to prevent overheating.

Advantages and Disadvantages

Advantages

• Accurate current control ensures consistent LED brightness.
• Dot correction allows fine-tuning of individual LED brightness.
• Wide supply voltage range provides flexibility in various applications.
• Thermal shutdown protection enhances safety and reliability.

Disadvantages

• Limited to driving LEDs and not suitable for other types of loads.
• Requires external components for proper operation.
• May require additional circuitry for complex LED configurations.

Working Principles

The TLC5916IDR operates by receiving serial data and clock signals to control the current flowing through each channel. The reference current input (IREF) sets the desired LED current, while dot correction enables precise brightness adjustment. The output enable (OE) pin allows simultaneous activation or deactivation of all channels. The device's thermal shutdown protection ensures safe operation by preventing excessive heat buildup.

Detailed Application Field Plans

The TLC5916IDR finds applications in various fields, including:

1. Automotive lighting systems
2. Signage and display boards
3. Backlighting for LCD panels
4. Architectural lighting
5. Entertainment lighting

Detailed and Complete Alternative Models

1. TLC5917IDR: Similar to TLC5916IDR but with 24 channels instead of 16.
2. TLC5940IDR: Offers grayscale control for each channel, suitable for display applications.
3. MAX7219CNG: LED driver with serial interface and cascading capability.
4. HT16K33: Integrated LED controller and driver with I2C interface.

These alternative models provide similar functionality and can be considered as alternatives to the TLC5916IDR depending on specific requirements.

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