TLC 5940 - 16 Channel PWM Driver

Texas Instruments TLC 5940 - 16 Channel PWM Driver
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Model: TLC5940
Manufacturer: Texas Instruments
Average Rating: Not Rated

Texas Instruments

TLC 5940 - 16 Channel PWM Driver

The TLC5940 is a 16 channel PWM unit with 12 bit duty cycle control (0 - 4095), 6 bit current limit control (0 - 63), and a daisy chainable serial interface. It is handy for expanding the number of PWM outputs available.


  • 16 Channels
  • 12 bit (4096 steps) Grayscale PWM Control
  • Serial Data Interface
  • 30MHz Data Transfer Rate
  • CMOS Level I/O
  • Drive Capability (Constant-Current Sink)
    • 0mA to 60mA (VCC < 3.6V)
    • 0mA to 120mA (VCC > 3.6V)
  • 3V to 5.5V VCC


Arduino Library

The Arduino library can (as of r8) drive servos off the PWM channels. This means you can drive up to 16 servos at once, as well as use any spare channels for your other PWM needs! See File→Sketchbook→Examples→Library-Tlc5940→Servos for an example.

When using with RGB LEDs get LEDs with common anode. Common cathode will not work properly


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TLC 5940 - 16 Channel PWM Driver
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