Texas Instruments

TLC5973D  

External/Internal LED Drivers

The Texas Instruments TLC5973D is a high-performance LED driver IC designed for driving high-brightness LED arrays in various applications. It is a constant-current sink driver that provides precise control over the brightness and color of individual LEDs in an array. Here is a description of the TLC5973D, including its features and applications:

Description:

The TLC5973D is a 16-channel constant-current sink driver that can drive up to 16 high-brightness LEDs. It is designed to provide precise control over the brightness and color of each LED in an array, making it ideal for applications that require high levels of control and customization.

Features:

1. 16-channel constant-current sink driver: The TLC5973D can drive up to 16 high-brightness LEDs with precise control over the current flowing through each LED.
2. High efficiency: The TLC5973D is designed for high efficiency, with a maximum efficiency of up to 92%.
3. Wide input voltage range: The TLC5973D can operate with an input voltage range of 3.5V to 5.5V, making it suitable for a wide range of applications.
4. Programmable current control: The current flowing through each LED can be programmed using a 16-bit digital-to-analog converter (DAC), allowing for precise control over the brightness of each LED.
5. Independent control of each channel: Each channel of the TLC5973D can be controlled independently, allowing for a high degree of customization and flexibility in LED array design.
6. Pulse width modulation (PWM) control: The TLC5973D supports PWM control for each channel, allowing for precise control over the brightness of each LED.
7. Small package size: The TLC5973D is available in a compact 48-pin QFN package, making it suitable for space-constrained applications.

Applications:

1. LED lighting: The TLC5973D is ideal for use in LED lighting applications, such as automotive lighting, architectural lighting, and general illumination.
2. LED displays: The TLC5973D can be used in LED displays, such as billboards, signs, and video walls, where precise control over the brightness and color of individual LEDs is required.
3. LED indicators: The TLC5973D can be used in LED indicator applications, such as status indicators in consumer electronics and industrial equipment.
4. LED backlighting: The TLC5973D can be used in LED backlighting applications, such as LCD TVs and computer monitors, where precise control over the brightness and color of the backlight is required.

In summary, the Texas Instruments TLC5973D is a high-performance LED driver IC that provides precise control over the brightness and color of individual LEDs in an array. Its features, such as high efficiency, wide input voltage range, and independent control of each channel, make it suitable for a wide range of applications, including LED lighting, LED displays, LED indicators, and LED backlighting.

TLC5973D Documents

Download datasheets and manufacturer documentation for TLC5973D

PCN Assembly/Origin :

LBC7 Wafer Chg 15/Oct/2018      

Datasheets :

TLC5973      

Design Resources :

Lighting Product Selector      

HTML Datasheet :

TLC5973      

PCN Design/Specification :

TLC5973 Datasheet Update 07/May/2014       Design 25/Feb/2022