graph LR
subgraph "主动式PFC升压电路"
A["AC输入"] --> B["EMI滤波器"]
B --> C["整流桥"]
C --> D["升压电感"]
D --> E["开关节点"]
E --> F["VBM165C40 \n SiC MOSFET"]
F --> G["高压直流母线"]
H["PFC控制器"] --> I["SiC驱动器"]
I --> F
G -->|电压反馈| H
end
subgraph "SiC驱动细节"
J["+18V驱动电源"] --> I
K["-3V至-5V关断"] --> I
I --> L["开尔文源极连接"]
L --> F
end
subgraph "保护电路"
M["RCD缓冲网络"] --> F
N["TVS保护"] --> I
O["过流检测"] --> H
P["过压检测"] --> H
end
style F fill:#e8f4f8,stroke:#2c80ff,stroke-width:2px
BLDC电机驱动与三相逆变拓扑详图
graph TB
subgraph "三相逆变桥拓扑"
A["48V电机母线"] --> B["上桥VBUS"]
A --> C["下桥GND"]
subgraph "U相桥臂"
D["VBGQA1401 \n 上管"] --> E["U相输出"]
F["VBGQA1401 \n 下管"] --> E
D --> B
F --> C
end
subgraph "V相桥臂"
G["VBGQA1401 \n 上管"] --> H["V相输出"]
I["VBGQA1401 \n 下管"] --> H
G --> B
I --> C
end
subgraph "W相桥臂"
J["VBGQA1401 \n 上管"] --> K["W相输出"]
L["VBGQA1401 \n 下管"] --> K
J --> B
L --> C
end
end
subgraph "栅极驱动与保护"
M["三相电机驱动器"] --> D
M --> F
M --> G
M --> I
M --> J
M --> L
N["电流采样"] --> O["过流保护"]
P["温度监测"] --> Q["过温保护"]
O --> R["故障锁存"]
Q --> R
R --> S["关断信号"]
S --> M
end
subgraph "BLDC电机"
E --> T["无刷吸尘电机"]
H --> T
K --> T
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能负载管理与热控拓扑详图
graph LR
subgraph "大功率负载开关通道"
A["MCU GPIO"] --> B["电平转换"]
B --> C["VBM2403 \n 栅极"]
subgraph D["VBM2403 P-MOSFET"]
direction LR
GATE[栅极]
SOURCE[源极]
DRAIN[漏极]
end
C --> GATE
E["12V辅助电源"] --> SOURCE
DRAIN --> F["负载正极"]
F --> G["负载(电机/加热器)"]
G --> H["地"]
end
subgraph "多通道负载管理"
subgraph "通道1:拍打电机"
I1["MCU控制"] --> J1["VBM2403"] --> K1["拍打电机"]
end
subgraph "通道2:加热器"
I2["MCU控制"] --> J2["VBM2403"] --> K2["HEPA加热器"]
end
subgraph "通道3:冷却泵"
I3["MCU控制"] --> J3["VBM2403"] --> K3["液冷泵"]
end
subgraph "通道4:电控阀"
I4["MCU控制"] --> J4["VBM2403"] --> K4["集尘阀门"]
end
end
subgraph "AI功率调配"
L["尘量传感器"] --> M["AI处理器"]
N["地面材质检测"] --> M
O["电池状态"] --> M
M --> P["自适应功率算法"]
P --> Q["负载优先级管理"]
Q --> I1
Q --> I2
Q --> I3
Q --> I4
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style J1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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