1.产品简介/Product introduction

 CDU8KM64 专门为纯电动汽车量身打造的可自由组合 OBC+DC / DC+CDU , 即充

电机、DCDC、高压分配盒 、 三合一集成、转换于一体的开关电源变换器。OBC 采用先进的全数字谐振

调频技术，效率高、功率大、体积小、工作可靠，充电方式采用恒功率与恒压自动状态转换，有效地节省

了充电时间，具有有源功率因数校正对电网零污染，输入和输出电压范围宽，采用 CAN2.0B 通信协议，

具有智能充电功能，具有智能监测故障告警保护功能；同时内置独立辅助电源，用于汽车电池管理系统供

电。DC/DC 高压输入低压输出采用先进的全数字化设计，高功率密度、体积小，工作可靠，具有恒流与

恒压自动状态转换, 采用 CAN2.0B 通讯协议，具有智能充电功能，具有智能监测故障告警保护功能。

该款电源专为新能源汽车高压电池充电及降压转换而设计，减少了整车线束接头数量及分体电源安装带来

的麻烦，电源采用水冷设计，与国际一流汽车电源厂商完全同步，各项性能指标已达到或超越国际同行水

平，无故障运行时间更长，减少了因选用风机散热方式存在的自然缺陷的使用风险。

CDU8KM64 is a liquid-cooled, specifically designed for pure electric vehicles, can 

freely combine OBC+DC/DC+CDU, and high-voltage distribution unit ‘3-in-1’, conversion switching

power converter. OBC charger adopts advanced resonance technology, high efficiency, high power, 

small size, reliable work, charging mode using constant power and constant voltage automatic state 

transition, effectively saving the charging time. Wide input and output voltage range with active power 

factor correction, zero pollution to the grid. Using CAN2.0B communication protocol, with intelligent 

charging function, intelligent monitoring fault alarmprotection function, Built-in battery management 

system wake-up signal to power for BMS. DC-DC high voltage input and low voltage output adopts 

advanced fully digital technology, high power density, small size, reliable working method, with constant 

current and constant pressure automatic state conversion. Using CAN2.0B communication protocol, with 

intelligent charging function, with intelligent monitoring fault alarm and protection function.This power 

supply is specially designed for high voltage battery charging and buck conversion of electric vehicles. 

Reducing the number of vehicle wiring harness connector and the trouble caused by split power supply 

installation.The power supply adoptsliquid-cooled design, synchronizing with world-class automotive 

power supply manufacturers, the performance of the unit have reached and exceeded the international 

counterparts horizontal. Longer trouble-free operation time and reducing the natural defect risk caused 

by air cooling method.