این آی سی یک نوع سینک ثابت با 16 کانال درایور  LED است که هر کانال به صورت جداگانه تنظیم شده است این آی سی از نوع DIP  بوده و دارای 28 پایه میباشد

The TLC5940 is a 16-channel constant-current sink LED driver. Each channel has an individually adjust- able 4096-step grayscale PWM brightness control and a 64-step constant-current sink (dot correction). The dot correction adjusts the brightness variations between LED channels and other LED drivers. The dot correction data is stored in an integrated EEPROM. Both grayscale control and dot correction are accessible via a serial interface. A single external resistor sets the maximum current value of all 16 channels.