graph LR
subgraph "交流加熱控制鏈路"
A["220V/380VAC輸入"] --> B["EMI濾波與整流"]
B --> C["直流母線"]
C --> D["VBPB17R15S \n 主開關"]
D --> E["加熱負載 \n (加熱管/帶)"]
E --> F["地"]
G["加熱控制器"] --> H["過零檢測/相位角控制"]
H --> I["柵極驅動器"]
I --> D
J["溫度感測器"] --> G
K["PWM功率調節"] --> G
end
subgraph "保護電路細節"
L["RC吸收網路"] --> D
M["TVS保護"] --> I["柵極驅動"]
N["過流檢測"] --> O["故障鎖存"]
O --> P["關斷信號"]
P --> D
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
電機驅動模組拓撲詳圖
graph TB
subgraph "三相逆變橋拓撲"
A["直流母線電壓"] --> B["U相上橋"]
A --> C["V相上橋"]
A --> D["W相上橋"]
subgraph "上橋MOSFET"
Q_UH["VBGP1801 \n 80V/350A"]
Q_VH["VBGP1801 \n 80V/350A"]
Q_WH["VBGP1801 \n 80V/350A"]
end
subgraph "下橋MOSFET"
Q_UL["VBGP1801 \n 80V/350A"]
Q_VL["VBGP1801 \n 80V/350A"]
Q_WL["VBGP1801 \n 80V/350A"]
end
B --> Q_UH
C --> Q_VH
D --> Q_WH
Q_UH --> E["U相輸出"]
Q_VH --> F["V相輸出"]
Q_WH --> G["W相輸出"]
E --> Q_UL
F --> Q_VL
G --> Q_WL
Q_UL --> H["地"]
Q_VL --> H
Q_WL --> H
end
subgraph "驅動與控制"
I["主控MCU"] --> J["PWM信號"]
J --> K["電機驅動IC"]
K --> L["柵極驅動器 \n (峰值電流≥3A)"]
L --> M["U相驅動"]
L --> N["V相驅動"]
L --> O["W相驅動"]
M --> Q_UH
M --> Q_UL
N --> Q_VH
N --> Q_VL
O --> Q_WH
O --> Q_WL
P["電流檢測"] --> I
Q["編碼器回饋"] --> I
end
subgraph "保護與續流"
R["母線電容"] --> A
S["續流二極體"] --> Q_UH
S --> Q_VH
S --> Q_WH
T["過流保護"] --> K
U["過熱保護"] --> K
end
style Q_UH fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
輔助負載管理拓撲詳圖
graph LR
subgraph "多路智能負載開關"
A["MCU GPIO"] --> B["電平轉換電路"]
B --> C["VBK5213N \n 通道1"]
B --> D["VBK5213N \n 通道2"]
B --> E["VBK5213N \n 通道3"]
B --> F["VBK5213N \n 通道4"]
subgraph C ["VBK5213N 內部結構"]
direction LR
C_IN[輸入]
C_PMOS[P-MOS]
C_NMOS[N-MOS]
C_OUT[輸出]
end
subgraph D ["VBK5213N 內部結構"]
direction LR
D_IN[輸入]
D_PMOS[P-MOS]
D_NMOS[N-MOS]
D_OUT[輸出]
end
G["12V輔助電源"] --> C_PMOS
G --> D_PMOS
C_NMOS --> H["地"]
D_NMOS --> H
C_OUT --> I["冷卻風扇"]
D_OUT --> J["指示燈"]
K["負載狀態回饋"] --> A
end
subgraph "信號控制與切換"
L["MCU信號"] --> M["VBK5213N \n 信號開關"]
M --> N["模擬/數字信號路徑"]
O["外部信號"] --> P["VBK5213N \n 電平轉換"]
P --> Q["MCU輸入"]
end
subgraph "保護電路"
R["柵極保護電阻"] --> C_IN
R --> D_IN
S["TVS保護"] --> C_IN
T["下拉電阻"] --> C_IN
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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