DA8KM22A是一款较为先进的液冷板，专门为纯电动汽车量身打造的可自由组合AC/DC  DC/DC转换于一体的开关电源变换器。AC/DC高压输出充电机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没有污染，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14V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，与国际先进汽车电源厂商同步，各项性能指标已达到国际同行水平，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。

DA8KM22A is an advanced liquid-cooled board specifically designed for electric vehicles. It is a switch-mode power converter that combines AC/DC and DC/DC conversion, allowing for flexible configurations. The AC/DC high-voltage output charger utilizes advanced digital resonant frequency technology, offering high efficiency, high power, compact size, and reliable operation. The charging mode features automatic transition between constant power and constant voltage, effectively reducing charging time. It also incorporates active power factor correction to minimize pollution to the power grid. With wide input and output voltage ranges and CAN 2.0B communication protocol, it possesses intelligent charging capabilities and provides intelligent fault monitoring and protection functions. Additionally, it comes with a built-in 14V auxiliary power supply for automotive battery management systems.

The DC/DC high-voltage input, low-voltage output charger employs advanced digital design, ensuring high power density, compact size, and reliable operation. It also features automatic transition between constant current and constant voltage, using CAN 2.0B communication protocol and offering intelligent charging capabilities along with intelligent fault monitoring and protection functions.

This power converter is specially designed for charging and voltage reduction in high-voltage batteries of new energy vehicles, reducing the complexity caused by the number of vehicle harness connectors and separate power supply installations. The water-cooled design aligns with international advanced automotive power supply manufacturers, meeting international standards and ensuring longer fault-free operation time. It also reduces the risks associated with the natural flaws of fan cooling.

1.1产品特点：

AD-DC高压输出充电机：                                DC-DC高压输入低压输出充电机：

a.恒功率与恒压自动转换，有效节省充电时间   a.恒流与恒压自动转换，有效节省充电时间

b.有源功率因数校正≥0.99                              b.输入过欠压保护

c.输入过欠压保护                                          c.输出过欠压保护

d.输出过欠压保护                                          d.输出过流保护

e.输出过流保护                                             e.输出短路保护

f.输出短路保护                                              g.过温保护

g.输出防反接保护                                          h.CAN通讯智能故障告警、保护功能

h.过温保护                                                    i.高可靠性

i.CAN通讯智能故障告警、保护功能                  j.小体积，功率密度大

j.小体积，功率密度大

1.2.冷却和安装

 本电源采用冷却液散热，安装时使水嘴与导管连接紧密，避免漏液影响散热。

1.1 Product Features:

AC/DC High-Voltage Output Charger:

a. Constant power and constant voltage automatic transition, effectively saving charging time.

b. Active power factor correction ≥0.99.

c. Input over/under voltage protection.

d. Output over/under voltage protection.

e. Output overcurrent protection.

f. Output short-circuit protection.

g. Output reverse connection protection.

h. Over-temperature protection.

i. CAN communication intelligent fault monitoring and protection functions.

j. Compact size with high power density.

DC/DC High-Voltage Input, Low-Voltage Output Charger:

a. Constant current and constant voltage automatic transition, effectively saving charging time.

b. Input over/under voltage protection.

c. Output over/under voltage protection.

d. Output overcurrent protection.

e. Output short-circuit protection.

g. Over-temperature protection.

h. CAN communication intelligent fault monitoring and protection functions.

i. High reliability.

j. Compact size with high power density.

1.2 Cooling and Installation:

This power converter adopts liquid cooling for heat dissipation. During installation, ensure a tight connection between the water nozzle and the pipeline to prevent leakage and maintain efficient cooling.