DC-DC conversion control system and control method of the mixed driven car

This invention relates to one mixture dynamic mobile DC to DC conversion control system and its method, which comprises high voltage dynamic power system and low voltage mobile electrical system and is characterized by the following parts: converter is connected to controller through one set of signal wire to combine converter and controller to fulfill control and execution, wherein, the converter determines the its work status according to low voltage electrical system and high voltage battery status and environment temperature and itself factors.