1.产品简介/Brief introduction

DA22KM24B 专门为纯电动汽车量身打造的可自由组合 OBC DC/DC 转换于一体的开关

电源变换器。OBC 高压输出充电机采用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，

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 12V 独立辅助电源，用于汽车电池管理系统供电。DC/DC 高压输入低压输出充电机采用的全

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而设计,与国际汽车电源厂商同步，各项性能指标已达

到或超越国际同行水平，运行时间更长。该系列电源也可适用于需要恒压、恒流、恒功率充电的各

个领域。

DA22KM24B is a liquid-cooled, specifically designed for pure electric vehicles, can freely combine OBC ａnd DC-DC , 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 alarmb protection function, Built-in 12V 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 adopts liquid-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.