graph LR
subgraph "感測器潔淨供電鏈路"
A[背板12V輸入] --> B["π型濾波網路 \n LC+TVS"]
B --> C["VBQA1410輸入"]
C --> D["VBQA1410 \n DFN8封裝"]
D --> E["輸出濾波電容陣列"]
E --> F["LDO線性穩壓器"]
F --> G["ADC參考電壓 \n 2.5V/3.3V"]
E --> H["感測器供電匯流排 \n 5V/3.3V"]
H --> I["電壓感測器"]
H --> J["電流感測器"]
H --> K["溫度感測器"]
I -->|模擬信號| L["多路ADC"]
J -->|模擬信號| L
K -->|模擬信號| L
L --> M[MCU數據採集]
N[MCU GPIO] --> O["柵極驅動電路"]
O --> D
end
subgraph "熱管理與佈局"
P["一級熱管理區"] --> D
Q["遠離熱源佈局"] --> I
Q --> J
Q --> K
R["接地敷銅散熱"] --> D
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
隔離電源與通信拓撲詳圖
graph TB
subgraph "反激式隔離電源"
A[12V輸入] --> B["輸入濾波 \n 與TVS保護"]
B --> C["VBM15R20S \n TO-220封裝"]
C --> D["變壓器初級繞組"]
D --> E["RCD鉗位網路"]
E --> C
F["PWM控制器"] --> G["柵極驅動器"]
G --> C
D --> H["變壓器次級繞組"]
H --> I["同步整流器"]
I --> J["次級LC濾波"]
J --> K["隔離側5V輸出"]
K --> L["隔離RS-485"]
K --> M["隔離CAN"]
K --> N["數字隔離器"]
L --> O[MCU]
M --> O
N --> O
end
subgraph "熱管理與降額"
P["二級熱管理區"] --> C
Q["小型散熱片"] --> C
R["電壓降額:400V"] --> C
S["環境溫度降額"] --> C
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
智能執行單元拓撲詳圖
graph LR
subgraph "風扇PWM調速系統"
A[MCU PWM輸出] --> B["RC濾波與緩衝"]
B --> C["VBA1840柵極"]
C --> D["VBA1840 \n SOP8封裝"]
D --> E["風扇負載連接器"]
E --> F["伺服器風扇 \n 1-3A"]
F --> G[地]
H["續流二極體"] --> D
I["電流檢測電阻"] --> F
I --> J[MCU ADC]
end
subgraph "告警高邊驅動系統"
K[MCU控制信號] --> L["電平轉換電路 \n 3.3V轉12V"]
L --> M["VBFB2625柵極"]
M --> N["VBFB2625 \n TO-251封裝"]
O[12V電源] --> N
N --> P["告警負載"]
P --> Q["蜂鳴器/指示燈"]
Q --> R[地]
S["負載保護電路"] --> N
end
subgraph "三級熱管理"
T["自然散熱佈局"] --> D
T --> N
U["均勻分佈多路風扇"] --> D
V["告警通路散熱優化"] --> N
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style N fill:#fce4ec,stroke:#e91e63,stroke-width:2px
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