graph LR
subgraph "三相PFC升壓電路"
A[三相輸入] --> B[EMI濾波器]
B --> C[整流橋]
C --> D[PFC電感]
D --> E[PFC開關節點]
E --> F["VBMB18R11S \n 800V/11A"]
F --> G[800VDC母線]
H[PFC控制器] --> I[隔離驅動器]
I --> F
G -->|電壓回饋| H
J[電流檢測] --> H
end
subgraph "LLC諧振變換器"
G --> K[諧振電容Cr]
K --> L[諧振電感Lr]
L --> M[變壓器勵磁電感Lm]
M --> N[高頻變壓器]
N --> O[LLC開關節點]
O --> P["VBMB18R11S \n 800V/11A"]
P --> Q[初級地]
R[LLC控制器] --> S[高速驅動器]
S --> P
N -->|電流採樣| R
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style P fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
同步整流與輸出管理拓撲詳圖
graph TB
subgraph "同步整流功率級"
A[變壓器次級] --> B[同步整流節點]
B --> C["VBM1105 \n 100V/120A"]
C --> D[輸出濾波電感]
D --> E[輸出濾波電容]
E --> F[直流輸出正極]
B --> G["VBM1105 \n 100V/120A"]
G --> H[輸出地]
I[同步整流控制器] --> J[大電流驅動器]
J --> C
J --> G
F -->|輸出電壓| I
end
subgraph "輸出保護與檢測"
K[輸出電流檢測] --> L[比較器]
L --> M[過流保護]
M --> N[關斷信號]
N --> I
O[輸出溫度檢測] --> P[溫度保護]
P --> N
Q[TVS陣列] --> F
Q --> H
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
輔助電源與智能管理拓撲詳圖
graph LR
subgraph "輔助電源分配"
A[輔助電源12V] --> B["VBA3860-1 \n 雙N-MOS"]
B --> C[MCU電源]
B --> D[感測器電源]
E[輔助電源24V] --> F["VBA3860-2 \n 雙N-MOS"]
F --> G[風扇電源]
F --> H[通信電源]
I[MCU控制] --> B
I --> F
end
subgraph "智能負載管理"
J["VBA3860-3 \n 風扇控制"] --> K[散熱風扇]
L["VBA3860-4 \n 通信控制"] --> M[CAN收發器]
N["VBA3860-5 \n 保護控制"] --> O[安全互鎖]
P[MCU GPIO] --> J
P --> L
P --> N
end
subgraph "系統保護網路"
Q[過溫檢測] --> R[比較器]
R --> S[保護鎖存]
S --> T[關斷信號]
T --> J
T --> L
T --> N
U[過流檢測] --> V[快速保護]
V --> S
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style J fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style N fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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