graph LR
subgraph "高壓直流母線分配"
A["400VDC輸入"] --> B["輸入濾波器"]
B --> C["母線分配節點"]
C --> D["主路徑開關"]
C --> E["備份路徑開關"]
subgraph "冗餘切換MOSFET"
D --> F["VBM18R12S \n 800V/12A"]
E --> G["VBM18R12S \n 800V/12A"]
end
F --> H["伺服器機架1 \n 400VDC"]
G --> I["伺服器機架2 \n 400VDC"]
J["冗餘控制器"] --> K["隔離驅動器"]
K --> F
K --> G
L["電壓檢測"] --> J
M["電流檢測"] --> J
end
subgraph "驅動與保護"
N["高壓隔離驅動IC"] --> O["柵極驅動"]
O --> F
O --> G
P["RC吸收網路"] --> F
P --> G
Q["TVS陣列"] --> C
R["過流保護"] --> J
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
DC-DC轉換與負載開關拓撲詳圖
graph TB
subgraph "48V轉12V/5V同步降壓"
A["48V輸入"] --> B["輸入電容"]
B --> C["高側開關"]
C --> D["開關節點"]
D --> E["低側同步整流"]
subgraph "同步整流MOSFET"
E --> F["VBGL1402 \n 40V/170A"]
E --> G["VBGL1402 \n 40V/170A"]
end
F --> H["輸出電感"]
G --> H
H --> I["輸出電容 \n 12V/5V"]
I --> J["負載點POL"]
end
subgraph "CPU/GPU負載開關"
K["12V輸入"] --> L["負載開關控制"]
subgraph "大電流負載開關"
L --> M["VBGL1402 \n 負載開關1"]
L --> N["VBGL1402 \n 負載開關2"]
end
M --> O["CPU供電 \n 100A+"]
N --> P["GPU供電 \n 100A+"]
Q["電流檢測IC"] --> R["BMC監控"]
S["溫度感測器"] --> R
end
subgraph "驅動與佈局"
T["大電流驅動器"] --> F
T --> G
U["厚銅PCB設計"] --> F
U --> G
V["散熱器安裝"] --> F
V --> G
W["多散熱過孔"] --> F
W --> G
end
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style M fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
風扇陣列驅動與熱管理拓撲詳圖
graph LR
subgraph "多路風扇PWM控制"
A["BMC PWM輸出"] --> B["電平轉換"]
B --> C["多路分配"]
subgraph "風扇驅動MOSFET陣列"
C --> D["VBA1410 \n 通道1"]
C --> E["VBA1410 \n 通道2"]
C --> F["VBA1410 \n 通道3"]
C --> G["VBA1410 \n 通道4"]
end
D --> H["風扇組1 \n 12V/2A"]
E --> I["風扇組2 \n 12V/2A"]
F --> J["風扇組3 \n 12V/2A"]
G --> K["風扇組4 \n 12V/2A"]
L["12V風扇匯流排"] --> D
L --> E
L --> F
L --> G
end
subgraph "溫度回饋與調速"
M["CPU溫度感測器"] --> N["BMC溫度採集"]
O["GPU溫度感測器"] --> N
P["環境溫度感測器"] --> N
N --> Q["PID調速演算法"]
Q --> A
R["風扇轉速回饋"] --> N
end
subgraph "保護與EMC設計"
S["續流二極體"] --> D
S --> E
T["柵極串聯電阻"] --> D
T --> E
U["磁環抑制"] --> H
V["PCB敷銅散熱"] --> D
V --> E
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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