I am working on a project using an Arduino Mega to control 64 one-meter RGB LED strips using 4 Texas Instruments TLC5940 (16 channel LED driver). I have a separate 12V power supply for the LED strips, and P-channel MOSFETs at the TLC5940 outputs to convert the TLC5940 current sink to something that …

Arduino power supply - TLC5940 (16-ch led driver) overheating

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