graph LR
subgraph "低壓電源分配系統"
A["12V機載匯流排"] --> B["輸入濾波電路"]
B --> C["VBB1240 \n 主電源開關"]
C --> D["AI計算單元"]
C --> E["5V/3.3V穩壓器"]
E --> F["VBB1240 \n 感測器開關1"]
E --> G["VBB1240 \n 感測器開關2"]
F --> H["視覺感測器陣列"]
G --> I["LiDAR感測器陣列"]
end
subgraph "MCU直接驅動設計"
J["MCU GPIO"] --> K["柵極電阻10Ω"]
K --> C
K --> F
K --> G
L["3.3V邏輯電源"] --> J
end
subgraph "保護與濾波網路"
M["TVS陣列"] --> C
N["去耦電容組"] --> D
O["LC濾波器"] --> H
P["RC吸收電路"] --> I
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
通信鏈路電源管理拓撲詳圖
graph TB
subgraph "雙冗餘通信電源切換"
A["12V輔助電源"] --> B["VBBD3222 \n 通道1"]
A --> C["VBBD3222 \n 通道2"]
B --> D["4G/5G通信模組"]
C --> E["衛星通信模組"]
D --> F["GND"]
E --> F
end
subgraph "獨立柵極驅動控制"
G["MCU控制邏輯"] --> H["雙路柵極驅動器"]
H --> B
H --> C
subgraph "熱切換邏輯"
I["主鏈路正常"]
J["備用鏈路待機"]
K["故障檢測電路"]
end
I --> G
J --> G
K --> G
end
subgraph "熱管理設計"
L["功率銅皮"] --> B
L --> C
M["散熱過孔"] --> L
N["空氣對流"] --> B
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
安全隔離與應急控制拓撲詳圖
graph LR
subgraph "高壓側安全隔離系統"
A["無人機電池 \n 24-48VDC"] --> B["輸入保護網路"]
B --> C["VB2658 P-MOSFET \n 高壓側開關"]
C --> D["安全關鍵負載"]
D --> E["GND"]
end
subgraph "應急控制驅動電路"
F["風險評估演算法"] --> G["應急控制邏輯"]
G --> H["電平轉換電路"]
subgraph "驅動級"
I["NPN三極管驅動"]
J["小信號N-MOS驅動"]
end
H --> I
H --> J
I --> C
J --> C
end
subgraph "保護與續流網絡"
K["TVS瞬態抑制"] --> C
L["快恢復二極體"] --> D
M["RC緩衝電路"] --> C
N["電流檢測電阻"] --> D
N --> O["過流保護電路"]
O --> G
end
subgraph "安全互鎖機制"
P["故障信號輸入"] --> G
Q["手動應急開關"] --> G
R["看門狗定時器"] --> G
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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