graph LR
subgraph "高压电池接入与预充电路"
A["高压电池包 \n 600-800VDC"] --> B["主接触器(K1)"]
A --> C["预充接触器(K2)"]
C --> D["预充电阻R_pre"]
D --> E["高压直流母线"]
F["VBL18R17S \n 高压开关MOSFET"] --> G["逆变器直流母线"]
E --> F
H["预充控制逻辑"] --> I["接触器驱动器"]
I --> B
I --> C
E -->|电压检测| H
end
subgraph "高压开关保护电路"
J["TVS/压敏电阻阵列"] --> E
K["RCD缓冲电路"] --> F
L["电流霍尔传感器"] --> E
M["绝缘监测电路"] --> E
N["故障锁存"] --> O["驱动关断"]
O --> F
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style J fill:#ffebee,stroke:#f44336,stroke-width:2px
主驱三相逆变器拓扑详图
graph TB
subgraph "直流母线支撑与退耦"
A["逆变器直流母线"] --> B["薄膜电容C_film"]
A --> C["陶瓷电容C_ceramic"]
B --> D["直流母线正极"]
C --> D
end
subgraph "A相半桥功率级"
D --> E["VBN1606 \n 上桥臂MOSFET"]
E --> F["A相输出"]
F --> G["VBN1606 \n 下桥臂MOSFET"]
G --> H["功率地"]
end
subgraph "B相半桥功率级"
D --> I["VBN1606 \n 上桥臂MOSFET"]
I --> J["B相输出"]
J --> K["VBN1606 \n 下桥臂MOSFET"]
K --> H
end
subgraph "C相半桥功率级"
D --> L["VBN1606 \n 上桥臂MOSFET"]
L --> M["C相输出"]
M --> N["VBN1606 \n 下桥臂MOSFET"]
N --> H
end
subgraph "驱动与保护"
O["PWM控制器"] --> P["隔离栅极驱动器"]
P --> E
P --> G
Q["电流采样放大器"] --> F
R["温度传感器"] --> E
S["RC缓冲网络"] --> E
S --> G
T["短路保护比较器"] --> U["故障封锁"]
U --> P
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载管理拓扑详图
graph LR
subgraph "MCU控制接口"
A["主控MCU GPIO"] --> B["电平转换电路"]
B --> C["VBA1310S栅极驱动"]
end
subgraph "智能负载开关通道"
D["28V辅助电源"] --> E["VBA1310S \n 漏极D"]
E --> F["负载输出"]
F --> G["负载设备"]
G --> H["系统地"]
subgraph E_inner["VBA1310S内部结构"]
direction LR
IN[栅极G]
S[源极S]
D_inner[漏极D]
body[体二极管]
end
C --> IN
D --> D_inner
S --> F
end
subgraph "负载优先级管理逻辑"
I["起飞爬升模式"] --> J["优先: 飞控/传感器 \n 限制: 非必要负载"]
K["巡航模式"] --> L["管理: 照明/环控 \n 优化能效"]
M["紧急模式"] --> N["切断: 非关键负载 \n 保障核心系统"]
O["MCU决策逻辑"] --> I
O --> K
O --> M
end
subgraph "保护与监测"
P["电流检测电阻"] --> F
Q["过流比较器"] --> R["快速关断"]
R --> C
S["负载状态反馈"] --> O
end
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
航空级热管理与EMC拓扑详图
graph TB
subgraph "三级散热系统实现"
A["一级液冷/风冷"] --> B["液冷板/强风道"]
B --> C["主驱逆变器MOSFET"]
D["二级传导散热"] --> E["绝缘导热垫"]
E --> F["高压开关MOSFET"]
G["三级PCB散热"] --> H["2oz厚铜箔+散热过孔"]
H --> I["负载管理IC"]
J["温度传感器网络"] --> K["MCU热管理单元"]
K --> L["风扇PWM控制"]
K --> M["泵速控制"]
L --> N["冷却风扇"]
M --> O["液冷泵"]
end
subgraph "航空级EMC设计"
P["X/Y电容+共模电感"] --> Q["高压输入端"]
R["低ESR电容组合"] --> S["直流母线退耦"]
T["屏蔽线缆/同轴结构"] --> U["电机三相输出"]
V["有源钳位/优化栅阻"] --> W["驱动电路dv/dt控制"]
X["完整屏蔽舱"] --> Y["敏感设备隔离"]
end
subgraph "电气保护网络"
Z["TVS/压敏阵列"] --> AA["高压瞬态保护"]
AB["RC缓冲电路"] --> AC["开关过冲吸收"]
AD["续流二极管"] --> AE["感性负载保护"]
AF["隔离电流采样"] --> AG["硬件比较器"]
AG --> AH["<1μs过流保护"]
AI["在线Rds(on)监测"] --> AJ["寿命预测"]
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style I fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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