Module, Onboard Charging (OBCM): Description: Description
WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.
The OBCM is responsible for monitoring and controlling the plug-in power supply to charge the HVBS. The OBCM assembly incorporates four inverter assemblies containing voltage rectifiersto convert AC to DC voltage. The OBCM contains three charger assemblies with transformers to boost the input voltage to 400 volts for proper HVBS charging. These components are packaged together as an assembly and are located in the under-hood area above the eMotor. The unit has coolant circulated through it.