BMS chips

Orion BMS uses an Analog Devices LTC6803 addressable 12 cell BMS.

https://www.mouser.com/ProductDetail/Analog-Devices/LTC6803HG-43ZZPBF?qs=hVkxg5c3xu%252Bmug4aWm2R9A%3D%3D&gclid=Cj0KCQjwk8b7BRCaARIsAARRTL7t7OGfM0v8LE9L51y8Dvf_M4Lw2f0oLHHl9DrusdHq4m3BWhcI-K8aAiQyEALw_wcB 

Data Sheet 

https://www.mouser.com/datasheet/2/609/680324fa-1270693.pdf

 Alternate would be an LTC6811 chip. 

https://www.analog.com/en/products/ltc6811-1.html#product-discussions

This product offers many improvements over the LTC6803 product 

These chips require an isolated output power supply and isolated communication lines in between units.