The FS85/FS84 device family is developed in compliance with ASIL D process, FS84 is ASIL B capable and FS85 is ASIL D capable.
PB_FS84_FS85C, Fail-safe system basis chip with multiple SMPS and LDO - Product brief
The FS85/FS84 device family is developed in compliance with ASIL D process, FS84 is ASIL B capable and FS85 is ASIL D capable.