graph LR
subgraph "三相PFC升壓電路"
A["三相380VAC輸入"] --> B["EMI濾波器"]
B --> C["三相整流橋"]
C --> D["直流母線電容"]
D --> E["PFC升壓電感"]
E --> F["PFC開關節點"]
F --> G["VBP112MC50-4L \n SiC MOSFET"]
G --> H["高壓直流輸出 \n ~540VDC"]
I["PFC控制器"] --> J["SiC專用驅動器"]
J --> G
H --> K["母線電壓回饋"]
K --> I
end
subgraph "LLC諧振變換電路"
H --> L["LLC諧振電容"]
L --> M["LLC諧振電感"]
M --> N["高頻變壓器初級"]
N --> O["LLC開關節點"]
O --> P["VBP112MC50-4L \n SiC MOSFET"]
P --> Q["初級地"]
R["LLC控制器"] --> S["隔離驅動器"]
S --> P
N --> T["諧振電流檢測"]
T --> R
end
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style P fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
同步整流與大電流輸出級拓撲詳圖
graph TB
subgraph "多相同步整流"
A["變壓器次級繞組"] --> B["同步整流節點"]
subgraph "並聯同步整流橋"
C["VBGL11505 \n 150V/140A"]
D["VBGL11505 \n 150V/140A"]
E["VBGL11505 \n 150V/140A"]
F["VBGL11505 \n 150V/140A"]
end
B --> C
B --> D
B --> E
B --> F
C --> G["輸出濾波電感"]
D --> G
E --> G
F --> G
G --> H["輸出濾波電容"]
H --> I["低壓直流母線"]
J["同步整流控制器"] --> K["多路驅動器"]
K --> C
K --> D
K --> E
K --> F
end
subgraph "多相並聯輸出級"
I --> L["電流分配節點"]
subgraph "並聯調整模組"
M["VBM1302 \n 30V/140A"]
N["VBM1302 \n 30V/140A"]
O["VBM1302 \n 30V/140A"]
end
L --> M
L --> N
L --> O
M --> P["輸出匯流排"]
N --> P
O --> P
P --> Q["最終輸出端子"]
Q --> R["電鍍槽負載"]
S["電流控制MCU"] --> T["均流控制器"]
T --> M_GATE["MOSFET柵極"]
T --> N_GATE["MOSFET柵極"]
T --> O_GATE["MOSFET柵極"]
U["霍爾電流感測器"] --> S
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
保護電路與熱管理拓撲詳圖
graph LR
subgraph "多級保護網路"
A["過壓保護電路"] --> B["比較器陣列"]
C["過流保護電路"] --> B
D["過熱保護電路"] --> B
E["短路檢測電路"] --> B
B --> F["故障鎖存器"]
F --> G["全局關斷信號"]
G --> H["柵極驅動器禁用"]
H --> I["所有功率MOSFET"]
subgraph "緩衝與吸收電路"
J["RCD緩衝網路"] --> K["PFC開關管"]
L["RC吸收電路"] --> M["LLC開關管"]
N["TVS保護陣列"] --> O["柵極驅動晶片"]
P["肖特基並聯"] --> Q["同步整流管"]
end
end
subgraph "智能熱管理系統"
R["一級水冷散熱"] --> S["輸出級MOSFET \n VBM1302"]
T["二級強制風冷"] --> U["同步整流MOSFET \n VBGL11505"]
V["三級自然散熱"] --> W["初級側SiC MOSFET \n VBP112MC50-4L"]
X["多點溫度感測器"] --> Y["熱管理MCU"]
Y --> Z["風扇PWM控制"]
Y --> AA["水泵速度控制"]
Z --> AB["冷卻風扇組"]
AA --> AC["迴圈水泵"]
end
style K fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style S fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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