graph LR
subgraph "主動式PFC電路(CCM模式)"
A["交流輸入 \n 85-265VAC"] --> B["EMI濾波器"]
B --> C["全橋整流器"]
C --> D["PFC升壓電感"]
D --> E["PFC開關節點"]
E --> F["VBPB165R47S \n 650V/47A \n 主開關管"]
F --> G["高壓直流母線 \n ~400VDC"]
H["PFC控制器"] --> I["柵極驅動器"]
I --> F
G -->|電壓回饋| H
J["輸入電流檢測"] --> H
end
subgraph "關鍵保護電路"
K["RCD緩衝網路"] --> F
L["柵極保護電路"] --> I
M["過壓保護"] --> H
N["過流保護"] --> H
end
subgraph "散熱設計"
O["TO-3P封裝"] --> F
P["大型散熱器"] --> O
Q["強制風冷"] --> P
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
DC-DC變換級拓撲詳圖
graph TB
subgraph "同步整流Buck變換器"
A["高壓直流輸入 \n ~400VDC"] --> B["輸入電容"]
B --> C["Buck開關節點"]
C --> D["VBGQA1806 \n 80V/100A \n 上管"]
D --> E["輸出電感"]
E --> F["輸出電容"]
F --> G["電池匯流排 \n 12-48VDC"]
H["VBGQA1806 \n 80V/100A \n 下管"] --> C
G --> H
end
subgraph "控制與驅動"
I["DC-DC控制器"] --> J["雙通道柵極驅動器"]
J --> D
J --> H
G -->|電壓回饋| I
K["電流檢測"] --> I
end
subgraph "PCB散熱設計"
L["DFN8(5x6)封裝"] --> D
L --> H
M["多層PCB"] --> L
N["厚銅箔設計"] --> M
O["散熱過孔陣列"] --> N
end
subgraph "保護電路"
P["RC吸收電路"] --> D
P --> H
Q["死區時間控制"] --> I
R["過溫保護"] --> I
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能路徑管理拓撲詳圖
graph LR
subgraph "電池充電路徑管理"
A["電池輸入正極"] --> B["VBL2106N \n -100V/-37A \n 充電路徑開關"]
B --> C["充電節點"]
C --> D["電池輸出正極"]
D --> E["VBL2106N \n -100V/-37A \n 放電路徑開關"]
E --> F["負載端"]
end
subgraph "AI智能控制"
G["AI主控MCU"] --> H["GPIO控制信號"]
H --> I["電平轉換電路"]
I --> J["P-MOSFET驅動器"]
J --> B
J --> E
end
subgraph "保護功能"
K["電池反接保護"] --> B
L["過流保護"] --> B
M["熱保護"] --> B
N["TVS吸收"] --> B
N --> E
end
subgraph "簡化驅動優勢"
O["P溝道MOSFET"] --> B
O --> E
P["無需自舉電路"] --> J
Q["MCU直接控制"] --> G
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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