graph TB
subgraph "高压PFC/LLC功率级"
A["高压电池输入 \n 400-800VDC"] --> B["输入滤波与EMI"]
B --> C["PFC升压级"]
subgraph "高压主开关"
Q_PFC1["VBP17R15S \n 700V/15A"]
Q_PFC2["VBP17R15S \n 700V/15A"]
end
C --> Q_PFC1
C --> Q_PFC2
Q_PFC1 --> D["高压直流母线 \n ~700VDC"]
Q_PFC2 --> D
D --> E["LLC谐振变换器"]
E --> F["高频隔离变压器"]
F --> G["同步整流级"]
G --> H["输出滤波"]
H --> I["稳定直流输出 \n 200-500VDC"]
J["PFC/LLC控制器"] --> K["高压栅极驱动器"]
K --> Q_PFC1
K --> Q_PFC2
end
subgraph "保护与监控"
L["RCD缓冲电路"] --> Q_PFC1
M["过压检测"] --> J
N["过流检测"] --> J
O["温度监测"] --> J
P["负载突降保护"] --> J
end
style Q_PFC1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
辅助电机驱动拓扑详图
graph LR
subgraph "24V辅助三相逆变桥"
A["24VDC输入"] --> B["输入电容"]
B --> C["三相桥臂上管"]
subgraph "功率MOSFET阵列"
Q_UH["VBGQA3207N \n 通道1"]
Q_VH["VBGQA3207N \n 通道1"]
Q_WH["VBGQA3207N \n 通道1"]
Q_UL["VBGQA3207N \n 通道2"]
Q_VL["VBGQA3207N \n 通道2"]
Q_WL["VBGQA3207N \n 通道2"]
end
C --> Q_UH
C --> Q_VH
C --> Q_WH
Q_UH --> D["U相输出"]
Q_VH --> E["V相输出"]
Q_WH --> F["W相输出"]
Q_UL --> D
Q_VL --> E
Q_WL --> F
Q_UL --> G["功率地"]
Q_VL --> G
Q_WL --> G
H["FOC控制器"] --> I["预驱动器"]
I --> Q_UH
I --> Q_VH
I --> Q_WH
I --> Q_UL
I --> Q_VL
I --> Q_WL
end
subgraph "电流检测与保护"
J["三相电流采样"] --> H
K["过流比较器"] --> L["故障保护"]
L --> M["驱动关断"]
M --> I
end
style Q_UH fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_UL fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能配电管理拓扑详图
graph TB
subgraph "多通道负载开关矩阵"
A["24VDC电源"] --> B["电源分配总线"]
B --> C1["VBBC3210通道1"]
B --> C2["VBBC3210通道2"]
B --> C3["VBBC3210通道3"]
B --> C4["VBBC3210通道4"]
B --> C5["VBBC3210通道5"]
subgraph "智能控制接口"
D["BCM控制器"] --> E1["PWM控制1"]
D --> E2["PWM控制2"]
D --> E3["数字开关3"]
D --> E4["数字开关4"]
D --> E5["数字开关5"]
end
E1 --> C1
E2 --> C2
E3 --> C3
E4 --> C4
E5 --> C5
C1 --> F1["座椅加热器(20A)"]
C2 --> F2["大功率LED(15A)"]
C3 --> F3["显示屏(5A)"]
C4 --> F4["USB充电模块(10A)"]
C5 --> F5["其他负载(10A)"]
F1 --> G["系统地"]
F2 --> G
F3 --> G
F4 --> G
F5 --> G
end
subgraph "保护与诊断"
H1["过流检测"] --> D
H2["短路保护"] --> D
H3["温度监测"] --> D
H4["负载诊断"] --> D
I["故障指示LED"] --> D
end
style C1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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