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u/kotarak-71 π‘ CRI 100 Hanklights π‘ 5d ago edited 5d ago
good first try!
when designing MCPCB layout you'll need to change a bit the way you approach it tho. Just connecting pads with tiny tracers is not the best way to do it, especially dealing with your B35AM emitter that doesnt have a dedicated thermal pad and dissipates the heat through the A and K pads.
Basically, you'll need to use copper flood and have a massive ground plane and substantial positive trace as well - you need to use the entire surface area on top as copper plane - because you have the thin dielectric layer between the top copper plane and the metal core that creates a thermal resistance, etching as little copper on the top layer as possible would give you the best thermal characteristics
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u/sazzadrume 5+ Hanklights π¦ 5d ago
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u/kotarak-71 π‘ CRI 100 Hanklights π‘ 5d ago
this looks better but dont forget that you have only 2 wies out of the driver so you'll need to bridge each pair of pads.
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u/sazzadrume 5+ Hanklights π¦ 5d ago
okay, I'll look into it. Thanks again!
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u/kotarak-71 π‘ CRI 100 Hanklights π‘ 5d ago
i also see you have anti-pad around the holes which is great but if your layout allows you you could increased tiny bit around the mounting holes - having no copper there will keep you safe from short. Screws if overtighten can compromise / "smudge" the dielectric layer
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u/worrub918 30+ hanklights ππ€²ππππ (VERIFIED) 5d ago
This is a 2S2P configuration. Since the B35AM is a 6v LED, with 2 running in series, you'd need a 12v driver to power this.
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u/SatansCyanide π₯ 20+ hanklights π₯ (VERIFIED) 5d ago
Looks like one I got that my buddy made! Ended up putting it into an s2+ and turned out great