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Mitchell Langdon Ostler

Aryan Kashem

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MSXIV AFE Hardware Validation

Validation Steps

Status

Blockers

Communication

  •  Establish communication to the LTC6811 Battery Monitor IC via the LTC6820

First, try connecting two LTC76820 to attempt to establish IsoSPI Communication between them

  •  SPI in to first one should be translated to IsoSPI and then back to SPI on other side

Status
titleIn Progress

Validation Notes

2024-03-23

  • isoSPI can sometimes fail on the AFE side. When AFEs are not reading back values correctly and isoSPI signal looks “suppressed” on the scope, it’s likely an AFE side issue. Try probing the line with no AFE connected.

  • IMPORTANT: Balancing and thermistors are going to be left unimplemented until mockup is complete. There is currently a smoke that works with balancing on the afe_validation branch. num_devices in the config may need to be changed so note that before running the project.