DCDC failure analysis
When many engineers encounter DC/DC fault alarm, the first reaction is to directly replace the DC/DC body or all-in-one assembly (all-in-one includes integration with OBC, PDU or MCU, etc.), and the owner is also easily advised to directly replace the parts.
Comparing with the FTA fault tree of DC/DC faults, many faults are not rooted in the DC/DC itself, and blind replacement will only increas...