<Darius>
nekrondev[m]: I read that this morning :(
<Darius>
pretty bloody short notice
<ewenmcneill[m]>
"Last order date: 2025-03-15" (Saturday!!) "Reason: No fabrication support from SkyWater (Fab) and there is no alternative to manufacture. Therefore, products will be discontinued" (both from Mouser PDF up thread)
<ewenmcneill[m]>
Weirdly, the Skywater (February 2025) press release for buying the Infineon Austin fab implies the companies had "entered a long term supply agreement". I wonder what happened there? 🤔
<duskwuff[m]>
that seems like an oddly detailed message too, I have to wonder just how badly things broke down between infineon and skywater that they'd just put that out there. or if it slipped into the PCN by mistake
<whitequark[cis]>
wow
<whitequark[cis]>
that's... bad
<whitequark[cis]>
should probably buy 10K of them or something
<Darius>
$WORK is looking to buy some but our volumes are pretty modest
<Darius>
guess I should get off my arse and get the FX3 version working
<whitequark[cis]>
the FX3 is such hot garbage
<Darius>
yeah :(
<whitequark[cis]>
the FX5 is a lot better
<Darius>
I had a go at getting one working years ago and ran into some what I can only describe as "random fuckery" which was really hard to debug
<Darius>
orly?
<whitequark[cis]>
I should probably start evaluating the chinese clone of the FX2...
<Darius>
guh of course they don't have stock of the FPGA
<whitequark[cis]>
yeah
<whitequark[cis]>
sorry about that ^^
<whitequark[cis]>
I knew this would be an issue, it's unfortunately just what it is
<whitequark[cis]>
I could probably solder the FPGA myself, in which case ideally the shrouded connectors won't be mounted on the PCB
<Darius>
might try NextPCB since we get PCBs made from them
<Darius>
but then I have to email someone rather than look stuff up on a web UI and that seems so tedious
<whitequark[cis]>
aw
<whitequark[cis]>
you can just send it to me without the FPGA, I can mount it myself I think
<whitequark[cis]>
would have to dig out my hot air station which I haven't touched since moving to the UK
<Darius>
OK, I'll try NextPCB anyway since we might be getting some power amps made with them so it'll be good practise..
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<duskwuff[m]>
re. CYUSB2315/16 - that's "FX2G3", which as far as I can tell is 1) a cut down FX5/FX10, completely different from FX2 and 2) not expected to be available for production until either 2025Q3 or Q4 depending on which announcements you believe
<whitequark[cis]>
a cut down FX5 is a much better part than a cut down FX3 CYUSB2014 (their previous suggested replacement, which was complete garbage from every POV) but it's still not really a viable migration path here
<whitequark[cis]>
unless we commit to using an FX5 going forward
<whitequark[cis]>
actually, maybe it is a viable migration path. we don't have to use the horrible dual row QFN package (BGA is fine probably) and the FX5 looks like it's going to be a pretty good part
<josHua[m]>
does fx5 exist yet?
<josHua[m]>
I am currently using fx3 on a customer design, and they keep wanting to migrate to fx5/fx10, and cypress keeps not having stuff for them to evaluate
<whitequark[cis]>
it's gonna be very soon they promise :)
<ewenmcneill[m]>
FWIW the Infineon Product Discontinuation notice is dated 2024-09-12, so 2025-03-15 (last order) is actually 6 months notice. I guess DigiKey, etc, waited until they needed to send in *their* last orders before bringing it to people's attention 😕
<whitequark[cis]>
yeah, it seems like it was awfully poorly communicated