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HailBopp - Reconfig power for the OBC #29

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jruths opened this issue Feb 5, 2025 · 1 comment
Open

HailBopp - Reconfig power for the OBC #29

jruths opened this issue Feb 5, 2025 · 1 comment
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@jruths
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jruths commented Feb 5, 2025

The new batteries are 53V and the OBC maxes our at 48V. We need to either add it to the 12V circuit, or add a stepdown voltage converter. One consideration is if the OBC operates "better" (more capable/performant) at a slightly higher voltage?

Link to the OBC specifications

@jruths jruths converted this from a draft issue Feb 5, 2025
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jruths commented Feb 7, 2025

It looks like if we want to run the OBC with the expansion PCIe card installed, we need 20-48V, so running it on the 12V circuit won't work. This is the bit that says that on the website linked above:

12-48 VDC 20-48 VDC (when configured with PCIe expansion 70W or above)

So I ordered another DC DC converter - this one. It will step the voltage down to 24V.

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