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
Requirements:
In stock:
Cost:
Complexity:
isoUART
Requirements:
In stock:
Cost:
Complexity:
isoCAN
Aim for integrated solution, unless price far outweighs benefits
Requirements:
In stock:
Cost:
Complexity:
isoI2C
Requirements:
In stock: ISO1640DWR https://www.digikey.ca/en/products/detail/texas-instruments/ISO1640DWR/15666802
Cost: $5.62
Complexity: