graph TB
subgraph "三相輸入保護與濾波"
A["三相380VAC輸入"] --> B["防雷器(10kV)"]
B --> C["共模/差模濾波器"]
C --> D["三相整流橋"]
end
subgraph "PFC升壓電路(兩相交錯)"
D --> E["PFC電感L1"]
D --> F["PFC電感L2"]
E --> G["PFC開關節點1"]
F --> H["PFC開關節點2"]
G --> I["VBM115MR03 \n Q1(高壓側)"]
H --> J["VBM115MR03 \n Q2(高壓側)"]
I --> K["高壓直流母線"]
J --> K
K --> L["母線電容(450-600V)"]
M["PFC控制器"] --> N["隔離驅動電路"]
N --> I
N --> J
end
subgraph "保護與緩衝"
O["RCD緩衝網路"] --> I
P["RC吸收電路"] --> J
Q["TVS保護陣列"] --> N
end
subgraph "監控與回饋"
K --> R["電壓檢測"]
I --> S["電流檢測"]
T["溫度感測器"] --> M
end
style I fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style J fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
CPU/GPU多相VRM拓撲詳圖
graph LR
subgraph "四相Buck變換器(每相)"
A["12V輸入匯流排"] --> B["輸入電容陣列"]
B --> C["上管開關節點"]
subgraph "高側MOSFET"
D["VBFB1302 \n Q_HS(30V/120A)"]
end
subgraph "低側MOSFET"
E["VBFB1302 \n Q_LS(30V/120A)"]
end
C --> D
D --> F["電感節點"]
E --> G["地"]
F --> H["輸出電感"]
H --> I["輸出電容陣列"]
I --> J["CPU/GPU核心供電 \n 0.8-1.8V"]
K["多相PWM控制器"] --> L["柵極驅動器"]
L --> D
L --> E
end
subgraph "均流與平衡控制"
M["電流平衡檢測"] --> N["相位交錯控制"]
N --> K
O["溫度補償"] --> K
end
subgraph "動態回應優化"
P["自適應電壓定位"] --> K
Q["快速負載瞬態回應"] --> K
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
板級信號與電源管理拓撲詳圖
graph TB
subgraph "雙MOSFET電平轉換與開關"
A["MCU GPIO(3.3V)"] --> B["電平轉換器"]
B --> C["控制信號"]
subgraph "VBTA5220N集成模組"
direction LR
IN["控制輸入"]
GATE_N["N-MOS柵極"]
GATE_P["P-MOS柵極"]
SOURCE_N["N-MOS源極"]
SOURCE_P["P-MOS源極"]
DRAIN_N["N-MOS漏極"]
DRAIN_P["P-MOS漏極"]
end
C --> IN
IN --> GATE_N
IN --> GATE_P
VCC_12V["12V電源域"] --> DRAIN_P
DRAIN_P --> SOURCE_P --> E["輸出信號/電源"]
F["5V電源域"] --> DRAIN_N
DRAIN_N --> SOURCE_N --> G["輸出信號/電源"]
E --> H["負載設備1"]
G --> I["負載設備2"]
end
subgraph "應用場景"
subgraph "場景1: 雙向信號開關"
J["感測器數據線"] --> K["VBTA5220N開關"]
K --> L["ADC輸入"]
end
subgraph "場景2: 電源路徑選擇"
M["主電源(12V)"] --> N["VBTA5220N切換"]
O["備份電源(12V)"] --> N
N --> P["關鍵負載"]
end
subgraph "場景3: 熱插拔控制"
Q["板卡電源"] --> R["VBTA5220N開關"]
S["插入檢測"] --> MCU_CTRL["MCU控制"]
MCU_CTRL --> R
R --> T["可插拔模組"]
end
end
subgraph "保護電路"
U["ESD保護二極體"] --> E
V["過流檢測"] --> MCU_ALERT["MCU告警"]
end
style IN fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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