graph TB
subgraph "三相PFC升壓級"
A["三相400VAC輸入"] --> 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["VBP165C40-4L \n SiC N-MOS \n 650V/40A"]
F --> G["高壓直流母線 \n 700-800VDC"]
H["PFC控制器"] --> I["SiC專用驅動器 \n 1ED34xx系列"]
I --> F
G -->|電壓回饋| H
end
subgraph "LLC諧振變換級"
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["VBP165C40-4L \n SiC N-MOS"]
M --> N["初級地"]
O["LLC控制器"] --> P["隔離驅動器"]
P --> M
K -->|電流採樣| O
end
subgraph "輸出與負載"
K --> Q["變壓器次級"]
Q --> R["同步整流"]
R --> S["輸出濾波"]
S --> T["400VDC輸出 \n 1-10kW"]
T --> U["地面站設備"]
end
subgraph "熱管理系統"
V["大型散熱器"] --> F
V --> M
W["溫度感測器"] --> X["熱管理MCU"]
X --> Y["風扇PWM控制"]
Y --> Z["強制風冷系統"]
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style M fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
場景2: 通信中繼與射頻功放供電拓撲詳圖
graph LR
subgraph "航空匯流排隔離轉換"
A["270VDC航空匯流排"] --> B["輸入保護"]
B --> C["隔離變壓器"]
C --> D["全橋整流"]
D --> E["VBL17R15SE \n SJ N-MOS \n 700V/15A"]
E --> F["中間直流母線 \n 100-150VDC"]
G["PWM控制器"] --> H["隔離驅動器 \n Si823x"]
H --> E
end
subgraph "射頻功放Buck電源"
F --> I["Buck電感"]
I --> J["VBL17R15SE \n SJ N-MOS"]
J --> K["輸出電容"]
K --> L["射頻功放電源軌 \n 28V/48V"]
M["Buck控制器"] --> N["驅動器"]
N --> J
L -->|回饋| M
end
subgraph "雜訊抑制與保護"
O["RC吸收電路"] --> J
P["π型濾波器"] --> L
Q["TVS陣列"] --> R["電源輸入"]
S["電流檢測"] --> T["過流保護"]
T --> U["關斷信號"]
U --> J
end
subgraph "散熱設計"
V["TO263散熱片"] --> E
V --> J
W["溫度監測"] --> X["溫控電路"]
X --> Y["降額控制"]
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
場景3: 分佈式感知與控制系統供電拓撲詳圖
graph TB
subgraph "多路智能配電模組"
A["12V/24V配電匯流排"] --> B["VBA3316SA \n Dual N-MOS \n 通道1"]
A --> C["VBA3316SA \n Dual N-MOS \n 通道2"]
B --> D["感測器網路 \n 12V供電"]
C --> E["導航模組 \n 24V供電"]
F["MCU GPIO"] --> G["電平轉換"]
G --> B
G --> C
H["電流檢測"] --> I["故障檢測"]
I --> J["MCU中斷"]
end
subgraph "伺服舵機H橋驅動"
K["PWM信號"] --> L["VBA3316SA \n 高端開關"]
K --> M["VBA3316SA \n 低端開關"]
L --> N["電機繞組"]
M --> N
O["續流二極體"] --> N
P["死區控制"] --> K
end
subgraph "冗餘供電與保護"
Q["主電源12V"] --> R["VBA3316SA \n OR-ing開關"]
S["備份電源12V"] --> R
R --> T["關鍵控制單元"]
U["自恢復保險絲"] --> T
V["電壓監控"] --> W["切換邏輯"]
W --> R
end
subgraph "PCB熱設計"
X["大面積敷銅"] --> B
X --> C
Y["散熱過孔"] --> X
Z["內部接地層"] --> X
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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