graph TB
subgraph "双向LLC/移相全桥拓扑"
A["高压母线 \n 400VDC"] --> B["高频变压器初级"]
B --> C["初级侧开关节点"]
C --> D["VBL7402 \n 初级开关管"]
D --> E["初级侧地"]
F["48V直流母线"] --> G["同步整流节点"]
G --> H["VBL7402 \n 同步整流管"]
H --> I["输出滤波电感"]
I --> J["输出滤波电容"]
J --> K["48V负载"]
L["双向控制器"] --> M["初级栅极驱动器"]
L --> N["同步整流驱动器"]
M --> D
N --> H
end
subgraph "驱动与保护细节"
O["隔离电源"] --> M
O --> N
P["电流检测"] --> Q["过流保护"]
Q --> R["故障关断"]
R --> D
R --> H
S["温度检测"] --> T["过热保护"]
T --> R
end
subgraph "热管理设计"
U["液冷板"] --> D
U --> H
V["温度传感器"] --> W["PID控制"]
W --> X["冷却泵"]
X --> U
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池保护与均衡拓扑详图
graph LR
subgraph "电池主保护回路"
A["锂电池组+"] --> B["VBGE1606 \n 主保护开关"]
B --> C["负载输出+"]
D["锂电池组-"] --> E["VBGE1606 \n 充电控制"]
E --> F["充电输入-"]
G["BMS控制器"] --> H["保护IC"]
H --> I["驱动电路"]
I --> B
I --> E
end
subgraph "电池均衡电路"
subgraph "电池模块1"
J["电芯1+"] --> K["均衡开关1"]
K --> L["均衡电阻1"]
L --> M["电芯1-"]
end
subgraph "电池模块2"
N["电芯2+"] --> O["均衡开关2"]
O --> P["均衡电阻2"]
P --> Q["电芯2-"]
end
R["均衡控制器"] --> K
R --> O
end
subgraph "保护与监测"
S["电压检测"] --> T["过压/欠压保护"]
U["电流检测"] --> V["过流/短路保护"]
W["温度检测"] --> X["过热保护"]
T --> Y["保护逻辑"]
V --> Y
X --> Y
Y --> Z["关断信号"]
Z --> B
Z --> E
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
负载切换与管理拓扑详图
graph TB
subgraph "关键负载智能切换"
A["48V直流输入"] --> B["VBI1226 \n 服务器电源开关"]
B --> C["AI服务器电源"]
D["48V直流输入"] --> E["VBI1226 \n BBU切换开关"]
E --> F["电池备份单元"]
G["12V辅助电源"] --> H["VBI1226 \n 辅助负载开关"]
H --> I["管理板/传感器"]
J["负载管理器"] --> K["电平转换电路"]
K --> B
K --> E
K --> H
end
subgraph "快速切换控制"
L["MCU GPIO"] --> M["驱动器"]
M --> N["VBI1226栅极"]
O["状态反馈"] --> P["故障检测"]
P --> Q["快速关断"]
Q --> B
Q --> E
end
subgraph "热设计与布局"
R["PCB敷铜区域"] --> B
R --> E
R --> H
S["空气流动"] --> T["自然对流"]
T --> R
U["温度监控"] --> V["降额控制"]
V --> J
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
点击下载：VBGE1606规格书
中文
English
