SparkFun LED Driver Breakout – TLC5940 (16 Channel)

Description

• SparkFun LED Driver Breakout – TLC5940 (16 Channel)
• Expand PWM pins with 16-channel versatility
• Control duty cycle with precise 12-bit resolution
• Limit current with adjustable 6-bit control
• Chain multiple units using serial interface
• Utilize 0.1″ headers for easy connections

The SparkFun LED Driver Breakout – TLC5940 (16 Channel) is a versatile 16-channel PWM unit with 12-bit duty cycle control and 6-bit current limit control, featuring a daisy-chainable serial interface. This breakout board facilitates the expansion of PWM pins for microcontroller applications, including LED displays, signboards, display backlighting, and servo control. It includes 0.1″ headers for all PWM channels, voltage, and ground rails, and supports daisy-chaining.

Note: The board includes 2.2k pull-up resistors on each output for servo compatibility, and the Iref pin sets the output current to 17.8mA, adjustable via an additional resistor.

View moreWhat’s Included

• 1x SparkFun LED Driver Breakout – TLC5940 (16 Channel)

Links

Websites

• SparkFun LED Driver Breakout TLC5940 (16 Channel) – GitHub Repo
• SparkFun LED Driver Breakout TLC5940 (16 Channel) – Arduino Library

PDF Files

• SparkFun LED Driver Breakout – TLC5940 (16 Channel) – PDF Datasheet
• SparkFun LED Driver Breakout – TLC5940 (16 Channel) – General Datasheet

ZIP File

• SparkFun LED Driver Breakout – TLC5940 (16 Channel) – ZIP Datasheet

Specifications

• 16-channel PWM unit
• 12-bit duty cycle control (0-4095)
• 6-bit current limit control (0-63)
• Daisy-chainable serial interface
• 0.1″ headers for PWM channels
• 2.2k pull-up resistors on each output
• Output current set to 17.8mA with 2.2k resistor on Iref pin