graph LR
subgraph "三相雙向變換器主拓撲"
A[軍用三相輸入 \n 380VAC ±20%] --> B[軍用EMI濾波器]
B --> C[三相全橋]
C --> D[PFC電感]
D --> E[高壓開關節點]
E --> F["VBMB17R11S \n 700V/11A N-MOS"]
F --> G[高壓直流母線 \n 400-600VDC]
H[隔離型DC/DC] --> I[高頻變壓器]
I --> J[次級整流]
J --> K[低壓輸出]
L[雙向變換控制器] --> M[隔離驅動]
M --> F
G -->|電壓回饋| L
end
subgraph "保護與緩衝電路"
N["RCD緩衝網路"] --> F
O["RC吸收電路"] --> E
P["軍用TVS陣列 \n 1.5KE系列"] --> M
Q["電流互感器"] --> R[過流保護]
R --> L
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
低壓大電流雙向Buck/Boost拓撲詳圖
graph TB
subgraph "四相雙向Buck/Boost變換器"
A[電池輸入 \n 48VDC] --> B[輸入電容]
B --> C[開關節點1]
C --> D["VBL1141N \n 140V/100A N-MOS"]
D --> E[電感L1]
E --> F[輸出電容]
F --> G[負載母線 \n 12V/24V/48V]
C --> H["VBL1141N \n 140V/100A N-MOS"]
H --> I[地]
subgraph "並聯相位"
C2[開關節點2] --> D2[VBL1141N]
D2 --> E2[電感L2]
E2 --> F
C2 --> H2[VBL1141N]
H2 --> I
end
J[多相控制器] --> K[大電流驅動器]
K --> D
K --> H
K --> D2
K --> H2
end
subgraph "熱管理與保護"
L["大面積銅層 \n 2oz+"] --> D
M["散熱器+導熱墊"] --> D
N["電流檢測 \n 精密分流器"] --> O[比較器]
O --> P[硬體保護]
P --> J
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
關鍵負載配電保護拓撲詳圖
graph LR
subgraph "高側P-MOS智能開關通道"
A[配電匯流排 \n 12V/24V] --> B["VBMB2311 \n -30V/-55A P-MOS"]
B --> C[負載輸出]
D[MCU GPIO] --> E[電平轉換]
E --> F[驅動電路]
F --> G[VBMB2311柵極]
subgraph "多重保護機制"
H["電流檢測 \n 低邊分流"] --> I["比較器+鎖存"]
J["溫度感測器"] --> K["過溫保護"]
L["狀態回饋"] --> M["故障診斷"]
end
I --> N["快速關斷 \n <100ns"]
K --> N
N --> F
C --> O[關鍵負載 \n 通信/雷達/指揮]
end
subgraph "預充電與隔離控制"
P[電池正極] --> Q["VBMB2311 \n 預充開關"]
Q --> R[預充電阻]
R --> S[負載電容]
T["VBMB2311 \n 主開關"] --> U[負載]
V[預充控制器] --> Q
V --> T
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Q fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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