graph LR
subgraph "多相核心供電"
A["12V輸入匯流排"] --> B["多相PWM控制器"]
B --> C["柵極驅動器"]
C --> D["VBC6N2005 \n N+N MOSFET"]
D --> E["電感與電容濾波"]
E --> F["CPU核心電壓 \n 0.8-1.2V"]
G["電流檢測"] --> H["電壓回饋"]
H --> B
end
subgraph "智能風扇驅動"
I["溫度感測器"] --> J["MCU/PWM控制器"]
J --> K["VBC6N2005 \n 風扇驅動"]
K --> L["4線PWM風扇"]
M["轉速回饋"] --> J
end
subgraph "熱管理設計"
N["VBC6N2005封裝"] --> O["PCB敷銅散熱 \n >150mm²"]
P["散熱過孔陣列"] --> Q["內層/背面散熱層"]
R["系統風道設計"] --> S["強制對流冷卻"]
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
高速信號通路切換拓撲詳圖
graph TB
subgraph "SAS/SATA冗餘切換"
A["主SAS端口"] --> B["VBQF3316 \n 通道1"]
C["備SAS端口"] --> D["VBQF3316 \n 通道2"]
B --> E["存儲控制器"]
D --> E
F["切換控制邏輯"] --> B
F --> D
end
subgraph "高速以太網隔離"
G["RJ45端口1"] --> H["VBQF3316 \n 以太網開關"]
I["RJ45端口2"] --> H
H --> J["網路PHY晶片"]
K["隔離控制"] --> H
end
subgraph "信號完整性維護"
L["阻抗控制走線 \n 50/90Ω"] --> M["VBQF3316輸入"]
N["匹配電阻網路"] --> O["VBQF3316輸出"]
P["去耦電容陣列"] --> Q["電源引腳"]
R["遮罩與接地"] --> S["信號路徑"]
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
輔助電源管理拓撲詳圖
graph LR
subgraph "多路電源分配"
A["3.3V輔助匯流排"] --> B["電源分配節點"]
subgraph "VBK2298開關陣列"
C1["VBK2298-1"]
C2["VBK2298-2"]
C3["VBK2298-3"]
C4["VBK2298-4"]
C5["VBK2298-5"]
end
B --> C1
B --> C2
B --> C3
B --> C4
B --> C5
C1 --> D["溫度感測器"]
C2 --> E["狀態LED"]
C3 --> F["I2C外設"]
C4 --> G["USB Hub"]
C5 --> H["時鐘晶片"]
end
subgraph "GPIO直接驅動"
I["MCU GPIO 1.8V"] --> J["22Ω串聯電阻"]
J --> K["VBK2298柵極"]
L["MCU GPIO 3.3V"] --> M["22Ω串聯電阻"]
M --> N["VBK2298柵極"]
O["電平相容性"] --> P["Vth=-0.6V"]
end
subgraph "熱設計與降額"
Q["SC70-3封裝"] --> R["PCB敷銅散熱"]
S["負載電流<1A"] --> T["降額使用"]
U["環境溫度監控"] --> V["結溫控制<110℃"]
end
style C1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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