graph LR
subgraph "三相PFC級"
A["三相380VAC"] --> B["EMI濾波器"]
B --> C["三相整流橋"]
C --> D["PFC電感"]
D --> E["PFC開關節點"]
E --> F["VBP165C30 SiC MOSFET"]
F --> G["400VDC母線"]
H["數字PFC控制器"] --> I["SiC柵極驅動器"]
I --> F
G -->|電壓回饋| H
end
subgraph "LLC諧振變換器"
G --> J["LLC諧振腔 \n Lr, Cr"]
J --> K["高頻變壓器"]
K --> L["LLC開關節點"]
L --> M["VBP165C30 SiC MOSFET"]
M --> N["初級地"]
O["LLC控制器"] --> P["柵極驅動器"]
P --> M
K -->|電流檢測| O
end
subgraph "次級整流與濾波"
K2["變壓器次級"] --> Q["同步整流"]
Q --> R["輸出濾波"]
R --> S["12V輸出"]
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style M fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
CPU/GPU VRM多相DC-DC拓撲詳圖
graph TB
subgraph "四相Buck轉換器"
A["12V輸入"] --> B["多相控制器"]
subgraph "相位1"
C1["上管MOSFET"] --> D1["VBGF1102N同步整流"]
D1 --> E1["輸出電感"]
end
subgraph "相位2"
C2["上管MOSFET"] --> D2["VBGF1102N同步整流"]
D2 --> E2["輸出電感"]
end
subgraph "相位3"
C3["上管MOSFET"] --> D3["VBGF1102N同步整流"]
D3 --> E3["輸出電感"]
end
subgraph "相位4"
C4["上管MOSFET"] --> D4["VBGF1102N同步整流"]
D4 --> E4["輸出電感"]
end
B --> C1
B --> C2
B --> C3
B --> C4
B --> D1
B --> D2
B --> D3
B --> D4
E1 --> F["輸出電容陣列"]
E2 --> F
E3 --> F
E4 --> F
F --> G["0.8-1.2V輸出"]
end
subgraph "驅動與回饋"
H["多相驅動器"] --> D1
H --> D2
H --> D3
H --> D4
I["電流檢測"] --> B
J["電壓檢測"] --> B
K["溫度檢測"] --> B
end
style D1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D2 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D3 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D4 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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