車載充電器(7KW)/OBC Design Project

需求說明

7KW OBC + 300W DC/DC Converter. • On-Board Charger with integrated DC/DC Converter in one enclosure • Main Output Power: 7KW ; 48V • Main Input Output: 220Vac/single phase; max. input current 32A • Secondary DC/DC Input / Output: 48V / 12 VDC ;300W; • Combo unit (OBC + DC/DC) • Main Output Voltage Range: 35 Vdc ~ 58 Vdc • Max Output Current : 200 A @ 35Vdc (design limit) • Operating Mode : Constant Power (7KW) across 35-58Vdc • Charging Control : Slave device — controlled by vehicle ECU via CAN VCU commands target V and max I; VCU grants charge permission. OBC has no internal charging algorith……..