CubeSat EPS: Block Diagram and Part Selection

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My first step towards designing an Electrical Power System for my #CubeSat (or #EPS for short, aka. BMS or Battery Management System) is to make a simple #blockdiagram and then select some parts that are easy to work with. The great ‪@RGSAT‬ is my inspiration for this, but I take a slightly different approach.
All of this is in preparation for breadboarding and schematic capture, which I will cover in the next episode.
Everything I do here is Open Source, check the repo links below!
Timestamps
00:00 Intro
01:37 Block Diagram: Solar Cells and Batteries
02:33 Block Diagram: #PMIC
03:30 Block Diagram: DC Regulator
04:40 Part Selection: PMIC, LTM8062 by #AnalogDevices
06:31 Part Selection: Buck Converter, LTM4675 by Analog Devices
08:05 Part Selection: PV Cells, IXOLAR Gen. 3 by #Anysolar
09:09 Next Steps
Repo Links
EPS development files on Codeberg: codeberg.org/buildacubesat-pr...
Upcoming content: codeberg.org/buildacubesat-pr...
Links
‪@RGSAT‬
Battery Selection: • Battery Selection for ...
‪@analogdevicesinc‬ LTM8062: www.analog.com/en/products/lt...
AnalogDevices LTM4675: www.analog.com/en/products/lt...
AnalogDevices uModule Overview: www.analog.com/media/en/techn...
‪@staflsystems‬ What is a Battery Management System? • What is a Battery Mana...
‪@eetengineer‬ BMS Design Series: • BMS Design Series
Contact
Get in touch: buildacubesat.space
If you are looking for a way to support this channel, leave a tip on KoFi: ko-fi.com/buildacubesat or PayPal: tinyurl.com/bac-donate :)
Need a friendly, non-corporate GitHub/Gitlab alternative? Check out codeberg.org/
#buildacubesat #episode #s01e10

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Опубликовано:

28 июл 2024

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Комментарии : 7

@susanregmi6208 22 дня назад

Great work! Very inspiring!

@buildacubesat 22 дня назад

Glad you liked it!

@aptech2933 22 дня назад

Very interesting stuff.

@buildacubesat 22 дня назад

Thanks :) Can't wait to start breadboarding.

@JulieanGalak 22 дня назад

Are you planning on having the boards, even prototype ones, professionally assembled? The LGA form factor is impossible to hand solder, and I don't know well they work with hobbyist-level oven/hot air/hot plate soldering. In my experimentation I always try to stay away from packages that can't be easily soldered, even if in practice I usually use an oven - all too often, I've had to touch up the solder by hand.

@buildacubesat 22 дня назад

I am going to break the PMIC and DC regulator sections out to stamp-sized PCBs that that fit on a MHP30 hot plate, hoping that this would make assembly DIY-able. I have never worked with LGA before, just BGA, but i figured the usual stencil, paste and hot plate method should work here... But yes, if all else fails, these may end up needing PCBA service then. Thanks for the heads up, that's really helpful!

@JulieanGalak 21 день назад

@@buildacubesat - if you've done BGAs successfully this way, then the LGA should be just fine. I've stayed away from both, because I wasn't sure it'd work in a DIY environment. Good to know that it does.