graph LR
subgraph "三相PFC SiC功率級"
A[三相400VAC] --> B[EMI濾波器]
B --> C[三相整流橋]
C --> D[PFC電感]
D --> E[PFC開關節點]
E --> F["VBP112MC100-4L \n 1200V/100A SiC"]
F --> G[高壓直流母線650-800V]
H[PFC控制器] --> I["SiC專用驅動器"]
I --> F
G -->|電壓回饋| H
end
subgraph "LLC諧振SiC變換級"
G --> J[LLC諧振腔 \n Lr, Cr, Lm]
J --> K[高頻變壓器]
K --> L[LLC開關節點]
L --> M["VBP112MC100-4L \n 1200V/100A SiC"]
M --> N[初級地]
O[LLC控制器] --> P["SiC專用驅動器"]
P --> M
K -->|諧振電流檢測| O
end
subgraph "SiC驅動特性"
Q[驅動電源] --> R["+18V/-3V \n 雙電源"]
R --> I
R --> P
S["開爾文源極"] --> F
T["開爾文源極"] --> M
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style M fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style I fill:#f3e5f5,stroke:#9c27b0,stroke-width:2px
同步整流與負載管理拓撲詳圖
graph TB
subgraph "超級結MOSFET同步整流"
A[變壓器次級繞組] --> B[同步整流節點]
B --> C["VBP165R20S \n 650V/20A N-MOS"]
C --> D[輸出濾波電感]
D --> E[輸出電容組]
E --> F[直流輸出正極]
B --> G["VBP165R20S \n 650V/20A N-MOS"]
G --> H[輸出地]
I[同步整流控制器] --> J[柵極驅動器]
J --> C
J --> G
end
subgraph "P-MOS智能負載管理"
K[MCU GPIO] --> L[電平轉換電路]
L --> M["VBA2305柵極 \n -30V/-18A P-MOS"]
N[12V/24V輔助電源] --> O[VBA2305漏極]
M --> P[VBA2305源極]
P --> Q[負載正極]
R[負載負極] --> S[系統地]
subgraph "多路負載控制"
T1["冷卻風機通道"]
T2["半導體製冷片"]
T3["通信模組"]
T4["顯示單元"]
end
Q --> T1
Q --> T2
Q --> T3
Q --> T4
end
subgraph "電流檢測與保護"
U[負載電流] --> V[電流採樣電阻]
V --> W[運算放大器]
W --> X[比較器]
X --> Y[故障信號]
Y --> MCU_FAULT["MCU保護輸入"]
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
冷鏈環境熱管理拓撲詳圖
graph LR
subgraph "三級智能熱管理系統"
A["一級: 強制風冷"] --> B["SiC MOSFET散熱器"]
C["二級: 半導體製冷"] --> D["控制晶片與驅動器"]
E["三級: PCB熱設計"] --> F["大面積敷銅與熱過孔"]
G["環境溫度感測器"] --> H[MCU]
H --> I[AI熱管理演算法]
I --> J[風機PWM控制]
I --> K[製冷片功率控制]
J --> L[冷卻風扇]
K --> M[半導體製冷模組]
end
subgraph "溫度監控網路"
N["MOSFET結溫監測"] --> O["溫度採集電路"]
P["散熱器溫度"] --> O
Q["環境溫濕度"] --> O
R["PCB熱點溫度"] --> O
O --> S["多通道ADC"]
S --> H
end
subgraph "冷鏈環境適應性設計"
T["寬溫元件選型"] --> U["-40°C ~ +85°C"]
V["三防漆處理"] --> W["防潮防凝露"]
X["溫度迴圈測試"] --> Y["機械應力防護"]
Z["智能除濕控制"] --> AA["濕度感測器回饋"]
end
subgraph "熱保護機制"
BB["過溫預警"] --> CC["降功率運行"]
DD["嚴重過溫"] --> EE["立即關斷"]
FF["溫度梯度控制"] --> GG["緩慢啟停"]
HH["冷凝檢測"] --> II["預熱啟動"]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#f3e5f5,stroke:#9c27b0,stroke-width:2px
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