graph LR
subgraph "三相逆变桥拓扑"
A["800V高压电池"] --> B["直流母线电容"]
B --> C["U相上桥臂"]
C --> D["VBP19R15S \n 900V/15A"]
D --> E["U相输出"]
F["U相下桥臂"] --> G["VBP19R15S \n 900V/15A"]
G --> H["功率地"]
E --> I["电机U相绕组"]
subgraph "驱动与保护"
J["隔离型栅极驱动器"] --> D
J --> G
K["有源米勒钳位"] --> J
L["RC吸收网络"] --> D
L --> G
M["叠层母排设计"] --> D
M --> G
end
end
subgraph "热管理与可靠性"
N["液冷散热器"] --> D
N --> G
O["温度传感器"] --> P["MCU温度监控"]
P --> Q["降额控制 \n (50%额定电流)"]
R["过流保护"] --> S["故障锁存"]
S --> T["快速关断"]
T --> D
T --> G
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
高功率机载设备电源拓扑详图
graph TB
subgraph "DC-DC转换与分配"
A["800V高压输入"] --> B["隔离DC-DC \n 800V to 48V"]
B --> C["48V中间母线"]
C --> D["VBGM1806开关管"]
D --> E["输出滤波"]
E --> F["消防泵组 \n 48V/大电流"]
C --> G["VBGM1806开关管"]
G --> H["输出滤波"]
H --> I["探照灯系统"]
C --> J["VBGM1806开关管"]
J --> K["输出滤波"]
K --> L["通讯设备"]
end
subgraph "驱动与热管理"
M["预驱动器"] --> D
M --> G
M --> J
N["优化栅极回路"] --> M
O["风冷散热器"] --> D
O --> G
O --> J
P["机壳散热"] --> O
end
subgraph "保护电路"
Q["TVS保护"] --> D
Q --> G
Q --> J
R["电流检测"] --> S["比较器"]
S --> T["过流关断"]
T --> D
T --> G
T --> J
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能消防与航电控制拓扑详图
graph LR
subgraph "双路MOSFET控制通道"
A["航电MCU GPIO"] --> B["电平匹配电路"]
B --> C["VBA3303输入1"]
C --> D["通道1负载 \n AI传感器"]
E["航电MCU GPIO"] --> F["电平匹配电路"]
F --> G["VBA3303输入2"]
G --> H["通道2负载 \n 环境传感器"]
end
subgraph "消防抛投控制"
I["AI决策单元"] --> J["驱动电路"]
J --> K["VBA3303 CH1"]
K --> L["灭火剂阀1"]
M["AI决策单元"] --> N["驱动电路"]
N --> O["VBA3303 CH2"]
O --> P["灭火剂阀2"]
end
subgraph "PCB布局与保护"
Q["高密度PCB布局"] --> C
Q --> G
Q --> K
Q --> O
R["栅极串联电阻"] --> C
R --> G
S["下拉电阻"] --> C
S --> G
T["续流二极管"] --> L
T --> P
U["TVS保护"] --> C
U --> G
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style K fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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