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isoSPI ICs are out of stock and we need sufficient isolation for our BMS system.

Reading Material

https://www.infineon.com/dgdlac/Infineon-INF1197_ART_BMS_Whitepaper_d08-Whitepaper-v01_00-EN.pdf?fileId=8ac78c8c7f2a768a017f8da0f4ff7734 : Infineon BMS Solutions

Current Options (WIP)

Wireless

Digital Isolators

SPI Galvanic Isolator: https://www.digikey.ca/en/products/detail/analog-devices-inc-maxim-integrated/MAX22820EAWA/16395055

https://www.digikey.ca/en/products/detail/analog-devices-inc-maxim-integrated/MAX22421CASA/16395074

I2C Isolator: https://www.digikey.ca/en/products/detail/analog-devices-inc/LTC4310IMS-2-PBF/2297670 (requires some kind of transformer)

General Isolator: https://www.digikey.ca/en/products/detail/analog-devices-inc-maxim-integrated/MAX22519AWA/16272760

RS485

https://www.powersystemsdesign.com/articles/isolate-to-communicate/22/5838

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isoUART

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isoCAN

Aim for integrated solution, unless price far outweighs benefits

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isoI2C

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