DA8KM22A是一款較為先進的液冷板，專門為純電動汽車量身打造的可自由組合AC/DC  DC/DC轉換于一體的開關電源變換器。AC/DC高壓輸出充電機采用先進的全數字諧振調頻技術，效率高、功率大、體積小、工作可靠，充電方式采用恒功率與恒壓自動狀態轉換，有效地節省了充電時間，具有有源功率因數校正對電網沒有污染，輸入和輸出電壓范圍寬，采用CAN2.0B通信協議，具有智能充電功能，具有智能監測故障告警保護功能；同時內置14V獨立輔助電源，用于汽車電池管理系統供電。DC/DC高壓輸入低壓輸出充電機采用先進的全數字化設計，高功率密度、體積小，工作可靠，具有恒流與恒壓自動狀態轉換, 采用CAN2.0B通訊協議，具有智能充電功能，具有智能監測故障告警保護功能。

     該款電源專為新能源汽車高壓電池充電及降壓轉換而設計，減少了整車線束接頭數量及分體電源安裝帶來的麻煩，電源采用水冷設計，與國際先進汽車電源廠商同步，各項性能指標已達到國際同行水平，無故障運行時間更長，減少了因選用風機散熱方式存在的自然缺陷的使用風險。

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產品特點：

AD-DC高壓輸出充電機：                                DC-DC高壓輸入低壓輸出充電機：

a.恒功率與恒壓自動轉換，有效節省充電時間   a.恒流與恒壓自動轉換，有效節省充電時間

b.有源功率因數校正≥0.99                              b.輸入過欠壓保護

c.輸入過欠壓保護                                          c.輸出過欠壓保護

d.輸出過欠壓保護                                          d.輸出過流保護

e.輸出過流保護                                             e.輸出短路保護

f.輸出短路保護                                              g.過溫保護

g.輸出防反接保護                                          h.CAN通訊智能故障告警、保護功能

h.過溫保護                                                    i.高可靠性

i.CAN通訊智能故障告警、保護功能                  j.小體積，功率密度大

j.小體積，功率密度大

1.2.冷卻和安裝

 本電源采用冷卻液散熱，安裝時使水嘴與導管連接緊密，避免漏液影響散熱。

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.