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README.md

PT4115 3-channel LED driver

Eagle files for my PT4115 3-channel (RGB) LED driver.

##Features and parts list:

  • C1, C2, C3: 22uF tantalum capacitors (DigiKey part number: 399-3781-1-ND)
  • D1, D2, D3; Schottky diode 2A SMA package (DigiKey part number: B240A-FDICT-ND)
  • L1, L2, L3: 68uH power inductor, 0.7A (DigiKey part number: PCD2117CT-ND)
  • R1, R2, R3: 0.33ohm resistors, 0805 package. These are current sense resistors. Current I=0.1/R (at maximum brightness).
  • 4x screw terminals: 3.5mm (bought mine on Tayda Electronics)
  • 3x PT4115 drivers (you can find them dirt cheap on eBay or Aliexpress)
  • 1x 4-pin + 1x 2-pin male or female headers.

Feel free to visit my website at http://truzzi.me.

Suggestions and feedback are very welcome!

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Eagle files for my 3-channel PT4115 LED driver.

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