Electronics > PCB/EDA/CAD

PCB Led board layout for my new bigger UV-LED-box

(1/3) > >>

Arp:
Etched and drilled a PCB for my new bigger UV-led box. Drilling all those holes was quite tedious, and since I need a few more boards I thought I'd let a PCB manufacturer do them. It will be both cheaper, better and take less time obviously :o.

This is my design so far. Measurements are 160 mm x 100 mm. I'm thinking of daisy-chaining them. Hopefully there are enought details to make sense of. The top is a ground plane and the bottom is the power plane. Any input would be greatly appreciated  :)

mrflibble:
What kind of heat dissipation per your-favorite-area-unit do you have?

chrome:
Why not make it 10x10cm and get 10 from seeed?

Then you can make a 3*3 panel (30x30cm) which will fit an A4 size PCB.

That's what I did, also if you leave the top silkscreen off and get tinplating (which is standard on seed I think) then it's a nice reflective surface, it's what I did anyway.

My PCB has interconnects on all sides and an actual connection for wires, it also has 9 led's per panel for other color lights that can be used to align stuff.

Arp:

--- Quote from: mrflibble on August 17, 2013, 08:49:26 pm ---What kind of heat dissipation per your-favorite-area-unit do you have?

--- End quote ---

Pretty nooby when it comes to this, but meaning I should incorporate "exposed-copper heat-sinking" or how it's called?

They are 20mA 3.4V leds. Not sure if they get so hot during that short period of exposure time. But could be a good idea for the long-term effects. If I understood correctly? :D

Arp:

--- Quote from: chrome on August 17, 2013, 09:06:04 pm ---Why not make it 10x10cm and get 10 from seeed?

Then you can make a 3*3 panel (30x30cm) which will fit an A4 size PCB.

That's what I did, also if you leave the top silkscreen off and get tinplating (which is standard on seed I think) then it's a nice reflective surface, it's what I did anyway.

My PCB has interconnects on all sides and an actual connection for wires, it also has 9 led's per panel for other color lights that can be used to align stuff.

--- End quote ---

Thanks for the input :-+

Leaving the solder-mask off on top sounds like a pretty good idea.

Thought I'd go for this dimension cause I have already completed a board, but maybe it would be better with something square-shaped. I think I'll do that, and not be so lazy :)

I got a quota from a Chinese manufacturer. $55 inc. shipping for 10pcs 160x100. Pretty shocking as I buy a single photoresist card for $6 a piece :o.

Navigation

[0] Message Index

[#] Next page