I am working on the layout of board to control 32 LEDs using 2 16 bit LED drivers. There will be up to 25mA going through each LED, which means the ground pin of each driver will sink the current for all 16 LEDs, 400mA, and the ground connection for the whole board will sink800mA. Can you tell me what trace width I will need to for the individual LED tracks and for the common track? I understand a solder mask will improve the current handling ability, so I plan on taking advantage of that.
18 years ago
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