I should point out the BoM I have is from the most recent board assembly but it was emailed directly from Zach so I don't know if it was posted to Subversion. (It is now as Cameron has been tracking down the latest schematics and layouts for the RT-IHU and has ensured they're posted to Subversion.)
Bob, you're listing a slightly different part number... Is that significant? Could that have been from a previous BoM? This is confusing to me :(
Jonathan
On 5/3/2023 9:23 PM, Jonathan Brandenburg via pacsat-dev wrote:
The RT-IHU BoM is showing TMS5700914APGEQQ1 for the complete part number... There is a good chance Zach Metzinger has a small supply of those but it's not clear to me how those are allocated. Perhaps reaching out to Zach is appropriate, especially for the initial boards.
Thoughts?
Jonathan
On 5/3/2023 9:18 PM, Bob Stricklin via pacsat-dev wrote:
Jonathan,
The chip number I am working with is:
TMS570LS0914PGE
This is the same part used on other AMSAT designs. I had looked into ordering a few also and noticed the long lead-time. I would like to have two or three of these myself.
There is a possibility someone else has a few left over from earlier builds.
I would not be surprised to see the delivery keep getting pushed out. If China invades Taiwan we may never see them again. I don’t think a lot of Americans realize the impact this will have.
Bob
On May 3, 2023, at 5:16 PM, Jonathan Brandenburg via pacsat-dev pacsat-dev@amsat.org wrote:
Howdy!
Which TMS570 are you currently planning to use on the PACSAT board? I ask because I'd like to get an order in as stock is still sporadic.
In particular, the RT-IHU uses the TMS5700914APGEQQ1, which I have ordered from Mouser but delivery is currently scheduled for Jan 2024. Digikey lists Nov 2023 for delivery at this time.
The Launchpad uses a TMS570LS1224 device with one part, TMS5701224CPGEQQ1 showing a July 2023 delivery from Mouser and Digikey showing January 2024.
I have admittedly done no research on the capabilities offered by these parts but I'm happy to order when we know what PACSAT will fly.
Jonathan
-- jbrandenburg@amsat.org
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