graph LR
subgraph "高压主加热器驱动级"
A["三相380VAC输入"] --> B["EMI滤波器"]
B --> C["三相整流桥"]
C --> D["直流母线电容 \n 540VDC"]
D --> E["PWM控制器"]
E --> F["隔离栅极驱动器"]
F --> G["VBP16R47SFD \n 600V/47A"]
G --> H["主加热器负载"]
I["电流检测"] --> J["过流保护"]
J --> E
K["温度传感器"] --> L["过温保护"]
L --> E
end
subgraph "保护与吸收电路"
M["RCD缓冲电路"] --> G
N["RC吸收网络"] --> G
O["TVS保护阵列"] --> F
P["肖特基二极管"] --> G
end
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
辅助执行机构控制拓扑详图
graph TB
subgraph "三相电机驱动桥臂"
A["辅助电源48VDC"] --> B["预驱动控制器"]
B --> C["栅极驱动器"]
subgraph "H桥MOSFET阵列"
Q1["VBGQA1105 \n 100V/105A"]
Q2["VBGQA1105 \n 100V/105A"]
Q3["VBGQA1105 \n 100V/105A"]
Q4["VBGQA1105 \n 100V/105A"]
Q5["VBGQA1105 \n 100V/105A"]
Q6["VBGQA1105 \n 100V/105A"]
end
C --> Q1
C --> Q2
C --> Q3
C --> Q4
C --> Q5
C --> Q6
Q1 --> D["U相输出"]
Q2 --> D
Q3 --> E["V相输出"]
Q4 --> E
Q5 --> F["W相输出"]
Q6 --> F
D --> G["三相电机负载"]
E --> G
F --> G
end
subgraph "保护与监测"
H["电流采样电阻"] --> I["比较器保护"]
J["温度传感器"] --> K["热关断"]
I --> B
K --> B
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
隔离供电与信号切换拓扑详图
graph LR
subgraph "多路隔离供电开关"
A["MCU GPIO"] --> B["电平转换电路"]
B --> C["VBA3310 通道1"]
B --> D["VBA3310 通道2"]
B --> E["VBA3310 通道3"]
B --> F["VBA3310 通道4"]
subgraph C ["VBA3310 双N-MOS结构"]
direction LR
IN1_1["栅极1"]
IN1_2["栅极2"]
S1_1["源极1"]
S1_2["源极2"]
D1_1["漏极1"]
D1_2["漏极2"]
end
subgraph D ["VBA3310 双N-MOS结构"]
direction LR
IN2_1["栅极1"]
IN2_2["栅极2"]
S2_1["源极1"]
S2_2["源极2"]
D2_1["漏极1"]
D2_2["漏极2"]
end
G["隔离电源1 \n 12VDC"] --> D1_1
G --> D1_2
H["隔离电源2 \n 24VDC"] --> D2_1
H --> D2_2
S1_1 --> I["温度传感器组1"]
S1_2 --> J["温度传感器组2"]
S2_1 --> K["通信模块"]
S2_2 --> L["本地控制器"]
I --> M[地]
J --> M
K --> M
L --> M
end
subgraph "保护电路"
N["TVS保护"] --> C
O["TVS保护"] --> D
P["栅极下拉电阻"] --> C
Q["栅极下拉电阻"] --> D
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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