graph TB
subgraph "背板POL轉換架構"
A[12V背板匯流排] --> B[多相降壓控制器]
B --> C[柵極驅動器]
C --> D["VBC1307 \n 上管MOSFET"]
D --> E[電感節點]
E --> F["VBC1307 \n 下管MOSFET"]
F --> G[地]
E --> H[輸出濾波]
H --> I["硬碟供電軌 \n 3.3V/5V/12V"]
J[電壓回饋] --> B
K[電流檢測] --> B
end
subgraph "硬碟熱插拔管理"
L[背板連接器] --> M["VBC1307 \n 熱插拔開關"]
M --> N[硬碟電源端口]
O[熱插拔控制器] --> P[電荷泵]
P --> Q[驅動電路]
Q --> M
R[過流檢測] --> O
S[緩啟動控制] --> O
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style M fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
散熱風扇陣列驅動拓撲詳圖
graph LR
subgraph "雙路風扇H橋驅動"
A[48V風扇匯流排] --> B["VBQF3101M \n 通道1高側"]
B --> C[風扇正極]
C --> D["風扇電機"]
D --> E[風扇負極]
E --> F["VBQF3101M \n 通道1低側"]
F --> G[地]
H["VBQF3101M \n 通道2高側"] --> C
I["VBQF3101M \n 通道2低側"] --> G
end
subgraph "智能PWM調速控制"
J[溫度感測器] --> K[MCU]
K --> L[PWM生成器]
L --> M[電平轉換]
M --> N[預驅電路]
N --> B
N --> F
N --> H
N --> I
O[電流檢測] --> P[過流保護]
P --> Q[關斷信號]
Q --> N
end
subgraph "冗餘風扇控制"
R[主風扇組] --> S["VBQF3101M陣列"]
T[備用風扇組] --> U["VBQF3101M陣列"]
V[風扇狀態檢測] --> W[冗餘切換邏輯]
W --> S
W --> U
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style I fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
負載點開關與電源序列拓撲詳圖
graph TB
subgraph "多路負載開關管理"
A[12V輔助匯流排] --> B["VBA7216 \n SSD供電開關"]
B --> C[SSD模組]
D["VBA7216 \n ASIC供電開關"] --> E[管理ASIC]
F["VBA7216 \n 介面供電開關"] --> G[高速介面]
H["VBA7216 \n 感測器供電開關"] --> I[感測器網路]
end
subgraph "電源序列控制"
J[電源序列控制器] --> K[時序邏輯]
K --> L["使能1 \n (SSD電源)"]
K --> M["使能2 \n (ASIC核心)"]
K --> N["使能3 \n (介面電源)"]
K --> O["使能4 \n (輔助電路)"]
L --> B
M --> D
N --> F
O --> H
end
subgraph "保護與監控"
P[電流檢測放大器] --> Q["VBA7216負載電流"]
R[過流比較器] --> S[故障鎖存]
S --> T[關斷信號]
T --> B
T --> D
U[電壓監控] --> V[欠壓/過壓保護]
V --> T
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style H fill:#fff3e0,stroke:#ff9800,stroke-width:2px
熱管理與系統保護拓撲詳圖
graph LR
subgraph "三級熱管理系統"
A["一級: 強制風冷"] --> B["硬碟陣列散熱"]
C["二級: PCB敷銅"] --> D["功率MOSFET散熱"]
E["三級: 自然對流"] --> F["控制晶片散熱"]
G[溫度感測器陣列] --> H[溫度採集]
H --> I[MCU熱管理演算法]
I --> J[風扇PWM控制]
I --> K[負載降頻控制]
I --> L[告警閾值設置]
J --> M[風扇驅動電路]
end
subgraph "電氣保護網路"
N["TVS保護陣列"] --> O["硬碟介面"]
P["RC緩衝網路"] --> Q["風扇驅動端口"]
R["肖特基續流"] --> S["感性負載"]
T["eFuse保護"] --> U["負載開關路徑"]
V["ESD保護器件"] --> W["控制信號線"]
X[電流檢測] --> Y[比較器]
Y --> Z[故障鎖存]
Z --> AA[全局關斷]
AA --> BB[所有功率開關]
end
subgraph "監控與通信"
CC[MCU] --> DD[I2C/SMBus監控]
CC --> EE[網路管理介面]
CC --> FF[本地顯示]
FF --> GG[狀態指示燈]
FF --> HH[故障代碼顯示]
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:1px
style Q fill:#e3f2fd,stroke:#2196f3,stroke-width:1px
style U fill:#fff3e0,stroke:#ff9800,stroke-width:1px
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