graph LR
subgraph "多相Buck轉換器拓撲"
A[48V直流輸入] --> B[輸入濾波電容]
B --> C[相位1電感]
B --> D[相位2電感]
B --> E[相位3電感]
subgraph "相位1功率級"
C --> F["VBGP1103 \n 上管"]
F --> G["VBGP1103 \n 下管"]
G --> H[地]
F --> I[相位1輸出節點]
end
subgraph "相位2功率級"
D --> J["VBGP1103 \n 上管"]
J --> K["VBGP1103 \n 下管"]
K --> H
J --> L[相位2輸出節點]
end
subgraph "相位3功率級"
E --> M["VBGP1103 \n 上管"]
M --> N["VBGP1103 \n 下管"]
N --> H
M --> O[相位3輸出節點]
end
I --> P[輸出濾波]
L --> P
O --> P
P --> Q["12V/1.8V輸出 \n 至CPU/記憶體"]
end
subgraph "驅動與控制"
R[多相控制器] --> S[柵極驅動器1]
R --> T[柵極驅動器2]
R --> U[柵極驅動器3]
S --> F
S --> G
T --> J
T --> K
U --> M
U --> N
V[電流檢測] --> R
W[溫度感測器] --> R
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
硬碟背板供電拓撲詳圖
graph TB
subgraph "背板供電路徑"
A[12V直流輸入] --> B[背板電源入口]
B --> C[主電源分配層]
C --> D["VBED1606 \n 硬碟組1開關"]
C --> E["VBED1606 \n 硬碟組2開關"]
C --> F["VBED1606 \n 硬碟組3開關"]
C --> G["VBED1606 \n 硬碟組4開關"]
D --> H[硬碟組1背板]
E --> I[硬碟組2背板]
F --> J[硬碟組3背板]
G --> K[硬碟組4背板]
subgraph "硬碟端口電路"
H --> L["熱插拔控制器1"]
I --> M["熱插拔控制器2"]
J --> N["熱插拔控制器3"]
K --> O["熱插拔控制器4"]
end
L --> P["硬碟槽位1-8"]
M --> Q["硬碟槽位9-16"]
N --> R["硬碟槽位17-24"]
O --> S["硬碟槽位25-32"]
end
subgraph "保護與監控"
T[過流保護電路] --> D
U[緩啟動電路] --> D
V[溫度感測器] --> W[背板MCU]
W --> X[管理介面]
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
散熱風機驅動拓撲詳圖
graph LR
subgraph "EC/BLDC風機驅動電路"
A[48V直流輸入] --> B[輸入濾波]
B --> C["VBGP1252N \n 高側開關"]
C --> D[風機電機U相]
E["VBGP1252N \n 低側開關"] --> F[地]
D --> E
subgraph "三相驅動橋"
C1["VBGP1252N \n V相高側"]
C2["VBGP1252N \n W相高側"]
E1["VBGP1252N \n V相低側"]
E2["VBGP1252N \n W相低側"]
end
D --> G[風機電機V相]
D --> H[風機電機W相]
G --> C1
G --> E1
H --> C2
H --> E2
end
subgraph "驅動與控制"
I[風機控制器] --> J[柵極驅動器]
J --> C
J --> E
J --> C1
J --> E1
J --> C2
J --> E2
K[PWM信號] --> I
L[溫度回饋] --> I
I --> M[轉速監控]
end
subgraph "保護電路"
N[RC吸收網路] --> C
O[TVS保護] --> C
P[電流檢測] --> Q[過流保護]
Q --> R[故障關斷]
R --> C
R --> E
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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