TLC5916IDG4

Product Overview

Category

TLC5916IDG4 belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• The TLC5916IDG4 is a 16-channel constant current LED driver.
• It operates with a supply voltage ranging from 3V to 5.5V.
• This IC can provide up to 120 mA of current per channel.
• It offers a wide range of dimming options, including individual and global brightness control.
• The device has thermal shutdown protection to prevent damage due to excessive heat.

Package

The TLC5916IDG4 is available in a small outline package (SOP) with 24 pins.

Essence

The essence of this product lies in its ability to efficiently drive multiple LEDs with constant current, ensuring consistent brightness and optimal performance.

Packaging/Quantity

The TLC5916IDG4 is typically sold in reels or tubes, containing a specified quantity of ICs per package.

Specifications

• Supply Voltage: 3V to 5.5V
• Number of Channels: 16
• Maximum Current per Channel: 120 mA
• Dimming Control: Individual and Global
• Thermal Shutdown Protection: Yes
• Package Type: SOP-24

Detailed Pin Configuration

The TLC5916IDG4 features 24 pins, each serving a specific purpose. Here is the detailed pin configuration:

1. GND - Ground
2. OUT0 - Output Channel 0
3. OUT1 - Output Channel 1
4. OUT2 - Output Channel 2
5. OUT3 - Output Channel 3
6. OUT4 - Output Channel 4
7. OUT5 - Output Channel 5
8. OUT6 - Output Channel 6
9. OUT7 - Output Channel 7
10. OUT8 - Output Channel 8
11. OUT9 - Output Channel 9
12. OUT10 - Output Channel 10
13. OUT11 - Output Channel 11
14. OUT12 - Output Channel 12
15. OUT13 - Output Channel 13
16. OUT14 - Output Channel 14
17. OUT15 - Output Channel 15
18. VCC - Supply Voltage
19. SDA - Serial Data Input
20. SCL - Serial Clock Input
21. OE - Output Enable
22. IREF - Reference Current
23. GND - Ground
24. GND - Ground

Functional Features

• The TLC5916IDG4 provides constant current drive for up to 16 LEDs simultaneously.
• It supports both individual and global dimming control, allowing precise adjustment of brightness levels.
• The device incorporates thermal shutdown protection, ensuring safe operation even under high temperature conditions.
• It offers a wide supply voltage range, making it compatible with various power sources.
• The IC has a compact package size, enabling space-efficient designs.

Advantages and Disadvantages

Advantages

• Efficiently drives multiple LEDs with constant current, ensuring consistent brightness.
• Supports individual and global dimming control for precise brightness adjustment.
• Incorporates thermal shutdown protection for enhanced safety.
• Wide supply voltage range allows compatibility with different power sources.
• Compact package size enables space-efficient designs.

Disadvantages

• Limited to driving LEDs and not suitable for other types of loads.
• May require additional external components for certain applications.
• Availability and pricing may vary depending on the supplier.

Working Principles

The TLC5916IDG4 operates by receiving serial data and clock signals to control the current flowing through each output channel. The reference current (IREF) sets the desired LED current, which remains constant regardless of the LED forward voltage variations. The IC's internal circuitry ensures that the LED current is maintained within the specified range, providing consistent brightness.

Detailed Application Field Plans

The TLC5916IDG4 finds applications in various fields where LED driving is required. Some detailed application field plans include:

1. Automotive Lighting: Used for driving LEDs in automotive lighting systems, such as headlights, taillights, and interior lighting.
2. Display Panels: Enables LED backlighting in LCD display panels for enhanced visibility and energy efficiency.
3. Signage and Advertising: Drives LEDs in outdoor and indoor signage boards, billboards, and advertising displays.
4. Decorative Lighting: Provides control and dimming capabilities for decorative LED lighting installations in homes, offices, and public spaces.
5. Industrial Automation: Utilized in industrial automation systems for status indication, machine vision, and process monitoring.

Detailed and Complete Alternative Models

• TLC5917: Similar to TLC5916IDG4 but with 24 channels instead of 16.
• TLC5940: Offers 16