Oversize PCB board - possible solutions?

Layout
1

Hello,

I’m in progress to create a PCB board for a big LED matrix. At the end the board would be aprox. 700 x 700 mm. I realized that is well over the standard size manufacturer offer.

As I don’t have much expertise in this area, what would be the potentially best solution for the problem?

Thanks

2

You have to contact the pcb manufacturer manually and ask:

  • if they are able to produce such a board
  • which design parameters you have satisfy
  • how much money they want
  • if they have a minimum number of boards you have to buy

You should already know your basic requirement: size, number of layers

3

Thank you for your answer. However, I have all taken this into account, the only issue is that this size boards are off standard end exponentially more expensive.

So I thought if splitting the PCB into 4 pieses 350 mm would be an idea.

4

Of course it would. What is your actual question?

5

Well, I have had a hollow circle that was about half a meter in diameter made. It had about 4k led’s. It was to my memory made in 14 pieces, worked fine. But think a bit on what kind of connector you want to have to attach the boards and how they go in the housing.

Also one of the boards was broken at some point so get 1-2 extra.

6

Splitting the boards into smaller pieces and using board to board connectors. Board to board connectors are available in a wide range of types. From standard 0.1 inch pitch headers and sockets to high density, high speed variants.

8

Not to mention the fact that assembling a 700x700mm board would be an absolute nightmare.