graph TB
subgraph "SiC MOSFET全桥拓扑"
A["800V直流输入"] --> B["输入滤波电容"]
B --> C["VBP112MC30-4L \n 上桥臂Q1"]
B --> D["VBP112MC30-4L \n 上桥臂Q2"]
C --> E["桥臂中点A"]
D --> F["桥臂中点B"]
E --> G["高频变压器初级"]
F --> G
G --> H["VBP112MC30-4L \n 下桥臂Q3"]
G --> I["VBP112MC30-4L \n 下桥臂Q4"]
H --> J["初级地"]
I --> J
end
subgraph "次级同步整流与输出"
K["变压器次级"] --> L["同步整流MOSFET"]
L --> M["输出滤波电感"]
M --> N["输出滤波电容"]
N --> O["充电输出正极"]
P["同步整流控制器"] --> Q["同步整流驱动器"]
Q --> L
O --> R["飞行汽车电池"]
end
subgraph "驱动与保护电路"
S["SiC专用驱动IC"] --> T["隔离电源"]
S --> C
S --> D
S --> H
S --> I
U["过流检测"] --> V["快速比较器"]
V --> W["故障锁存"]
W --> X["关断信号"]
X --> S
Y["RC吸收网络"] --> E
Y --> F
Z["TVS保护"] --> S
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style I fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
牵引/泊车驱动系统拓扑详图
graph LR
subgraph "三相全桥电机驱动"
A["48V直流输入"] --> B["输入电容"]
B --> C["VBGM1806 \n 上桥臂U+"]
B --> D["VBGM1806 \n 上桥臂V+"]
B --> E["VBGM1806 \n 上桥臂W+"]
C --> F["电机U相"]
D --> G["电机V相"]
E --> H["电机W相"]
F --> I["VBGM1806 \n 下桥臂U-"]
G --> J["VBGM1806 \n 下桥臂V-"]
H --> K["VBGM1806 \n 下桥臂W-"]
I --> L["驱动地"]
J --> L
K --> L
end
subgraph "栅极驱动电路"
M["电机控制器"] --> N["三相栅极驱动器"]
N --> C
N --> D
N --> E
N --> I
N --> J
N --> K
O["自举电路"] --> N
P["死区时间控制"] --> N
end
subgraph "保护与检测"
Q["电流传感器"] --> R["三相电流检测"]
R --> S["过流保护"]
S --> T["硬件关断"]
T --> N
U["温度传感器"] --> V["过温保护"]
V --> T
W["刹车能量回收"] --> X["续流二极管"]
X --> B
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style I fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style K fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
电磁弹射/缓冲系统拓扑详图
graph TB
subgraph "大电流脉冲发生电路"
A["高压电容组 \n 800VDC"] --> B["预充电电路"]
B --> C["主放电电容"]
C --> D["VBL19R09S阵列 \n 多管并联"]
D --> E["脉冲形成网络"]
E --> F["电磁弹射线圈"]
E --> G["电磁缓冲线圈"]
H["触发控制器"] --> I["高dv/dt驱动器"]
I --> D
end
subgraph "并联均流设计"
J["对称布局"] --> D
K["独立栅极电阻"] --> L["每路独立驱动"]
L --> D
M["源极平衡电感"] --> D
N["低ESL母排"] --> D
end
subgraph "保护与能量回收"
O["RCD缓冲网络"] --> D
P["电压尖峰检测"] --> Q["过压保护"]
Q --> R["快速关断"]
R --> I
S["电流梯度检测"] --> T["di/dt限制"]
T --> R
U["能量回收电路"] --> V["反向续流二极管"]
V --> W["能量回馈电容"]
W --> C
end
subgraph "热管理设计"
X["脉冲热计算"] --> Y["散热基板"]
Y --> D
Z["瞬态热阻优化"] --> Y
AA["间歇工作周期"] --> AB["结温监控"]
AB --> AC["温控管理"]
AC --> I
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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