Vehicle classes, duty cycles and installation constraints.
OEM integration of OBC and DC/DC software depends on defined CAN diagnostics, controlled bootloading, protected calibration, cybersecurity interfaces, and disciplined configuration change management.
Specify CAN integration before component selection: define signals, timing, diagnostics, wake-up, fault reactions, cybersecurity interfaces and software ownership so the OBC or DC/DC converter fits the vehicle architectu
A 48 V pack makes the battery cheap and the wiring heavy. It also makes the wall socket, not the charger, the real limit — and that changes which power rating is worth paying for.