PUNCH.EV SERVICE MANUAL

2. 3 IN 1 Unit The 3in1 Combo Unit contains PDU, unidirectional OBC and DC-DC converter DC – DC Converter A device that converts HV DC power from the HV battery to LV DC power which is required to maintain LV battery charge, which in turn powers the LV systems like lights, wipers, infotainment, etc. in the vehicle. Power Distribution Unit Distributes power from the high voltage battery to the HV components like inverter, DC-DC converter, Ecompressor etc. On-Board Charger (OBC) A device that charges the high voltage battery by converting AC power from a domestic supply into DC power and supplying it to the battery. HIGH VOLTAGE ELECTRICAL SYSTEM (HV) 19

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