You mean the controller board? That was made in http://www.ourpcb.com, they are fast, a bit more expensive though but they can do whatever I come up with, I've been working with them for ages.HighHopes wrote:did u use seeeds to fab the board too? 1oz is good pricing, but 2oz is more than 10x?
I just checked again at seeeds, this half bridge board is now $96 @1Oz and $126 @2Oz for qty=5. Their prices seem to change fast, go figure.
Something I didn't realize is that with the extra copper thickness they derate their minimum track clearance/thickess. The board was laid out at 8mil clearance / 10mil min track width, but at 2Oz seeed only support 10/10. Thats a bummer, I'm not willing to change the layout for that. The last board I sent to ourpcb was 6/8 mils at 2 Oz.
Itead studio also had fairly cheap pcb prototyping, but for this board I might send the job to ourpcb. I don't like the qty=5 to qty=10 jump, I would prefer to just get 6 pcbs, and with ourpcb the boards could jump into our regular pcb shipments, which to me that counts as free fedex shipment.
They also separate the tooling cost from the pcb cost, so if I order now it could be $90 tooling plus $10 per board. If the next guy wants a pcb he only needs to pay the $10 per board.
I'm busy at work now for some days, before sending this gerbers I want to have the copper sheets designed in case something new comes up. I'm also counting on a small 2 layer board to hold a LEM current sensor and a differential opamp so the current signal is fully differential from the sensor. If the distance between the current sensor and this board is not too long it could be a flexible pcb.