graph LR
subgraph "高压电池接口电路"
A["高压直流母线 \n 400-800VDC"] --> B["VBL185R06 \n 主开关"]
B --> C["高压电池组 \n 400-800V"]
D["预充电电阻"] --> E["预充电继电器"]
A --> E
E --> C
F["电流传感器"] -->|电流检测| G["保护控制器"]
G -->|控制信号| B
G -->|控制信号| E
end
subgraph "保护电路网络"
H["RCD缓冲电路"] --> B
I["TVS阵列"] --> B
J["栅极驱动保护"] --> B
K["防反接电路"] --> C
end
subgraph "驱动与隔离"
L["隔离栅极驱动器"] --> M["驱动变压器"]
M --> B
N["光纤隔离"] -->|故障信号| G
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
DC-DC变换与母线支撑拓扑详图
graph TB
subgraph "Buck-Boost变换器拓扑"
A["高压母线 \n 400-800V"] --> B["输入滤波电容"]
B --> C["VBM1103 \n 上管"]
C --> D["电感节点"]
D --> E["VBM1103 \n 下管"]
E --> F["功率地"]
D --> G["功率电感"]
G --> H["输出滤波电容"]
H --> I["低压母线 \n 48V"]
J["同步整流控制器"] --> K["栅极驱动器"]
K --> C
K --> E
end
subgraph "热管理设计"
L["散热器1"] --> C
M["散热器2"] --> E
N["温度传感器"] --> O["MCU"]
O --> P["风扇控制"]
P --> Q["冷却风扇"]
end
subgraph "效率优化电路"
R["死区时间控制"] --> K
S["软开关辅助"] --> C
T["电流检测放大器"] --> J
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载切换管理拓扑详图
graph LR
subgraph "智能负载开关通道"
A["48V直流母线"] --> B["VBGQA1402 \n 输入"]
B --> C["输出滤波"]
C --> D["负载设备"]
E["MCU GPIO"] --> F["电平转换器"]
F --> G["栅极驱动器"]
G --> B
end
subgraph "并联扩流配置"
subgraph "通道1"
H1["VBGQA1402-1"]
I1["VBGQA1402-2"]
end
subgraph "通道2"
H2["VBGQA1402-3"]
I2["VBGQA1402-4"]
end
J["均流控制"] --> H1
J --> I1
J --> H2
J --> I2
end
subgraph "保护与监测"
K["电流检测"] --> L["比较器"]
L --> M["故障锁存"]
M --> N["关断信号"]
N --> B
O["温度监控"] --> P["热关断"]
P --> B
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style H1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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