graph LR
subgraph "同步Buck快充模組"
A["輸入: 400VDC"] --> B["上橋MOSFET"]
B --> C["開關節點"]
C --> D["VBGQT1401 \n 下橋同步整流 \n 40V/330A/1mΩ"]
D --> E["輸出濾波 \n 功率電感+電容"]
E --> F["輸出: 28-58VDC \n @最大300A"]
F --> G["多通道充電介面 \n 無人機電池"]
H["多相Buck控制器"] --> I["柵極驅動器"]
I --> B
I --> D
J["電流檢測"] --> H
K["電壓回饋"] --> H
end
subgraph "熱管理與佈局"
L["一級液冷散熱"] --> M["TOLL封裝 \n 底部散熱焊盤"]
M --> N["PCB多層銅箔 \n 過孔陣列導熱"]
O["溫度感測器"] --> P["MCU PWM控制"]
P --> Q["液冷泵速調節"]
P --> R["風扇速度控制"]
end
subgraph "保護電路"
S["TVS陣列"] --> T["柵極保護"]
U["RC吸收電路"] --> V["開關節點振鈴抑制"]
W["電流限制"] --> X["過流保護"]
Y["溫度監控"] --> Z["過熱降頻"]
end
style D fill:#ffebee,stroke:#f44336,stroke-width:2px
智能配電管理拓撲詳圖 (VBQF2625)
graph TB
subgraph "雙通道P-MOS智能開關"
A["MCU GPIO控制"] --> B["電平轉換電路"]
B --> C["VBQF2625 \n 通道1柵極"]
B --> D["VBQF2625 \n 通道2柵極"]
E["12V輔助電源"] --> F["VBQF2625 \n 漏極1"]
E --> G["VBQF2625 \n 漏極2"]
H["VBQF2625 \n 源極1"] --> I["負載1: 通信電臺"]
J["VBQF2625 \n 源極2"] --> K["負載2: 環境感測器"]
I --> L["負載地"]
K --> L
end
subgraph "多路開關應用矩陣"
subgraph M ["通信與監控"]
N["電臺1開關"] --> O["VHF/UHF電臺"]
P["電臺2開關"] --> Q["數傳電臺"]
R["感測器開關"] --> S["溫濕度感測器"]
end
subgraph T ["站內設備"]
U["照明開關"] --> V["LED照明陣列"]
W["風扇開關"] --> X["散熱風扇組"]
Y["備份開關"] --> Z["關鍵設備備份"]
end
end
subgraph "控制與保護特性"
AA["軟啟動控制"] --> AB["浪湧電流限制"]
AC["過流檢測"] --> AD["快速關斷保護"]
AE["狀態回饋"] --> AF["MCU監控"]
AG["熱插拔保護"] --> AH["容性負載相容"]
end
style VBQF2625 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
冗餘備份電源拓撲詳圖 (VBE165R15SE)
graph LR
subgraph "反激式備份電源"
A["AC輸入 \n 85-265VAC"] --> B["整流濾波"]
B --> C["直流母線 \n ~400VDC"]
C --> D["反激變壓器 \n 初級"]
D --> E["VBE165R15SE \n 650V/15A \n TO-252"]
E --> F["初級地"]
G["反激控制器"] --> H["隔離柵極驅動器"]
H --> E
I["反激變壓器 \n 次級"] --> J["同步整流"]
J --> K["輸出濾波"]
K --> L["12VDC輸出 \n @5A"]
end
subgraph "自動切換與冗餘管理"
M["主電源12V"] --> N["ORing MOSFET"]
L --> N
N --> O["關鍵負載供電 \n MCU/通信核心"]
P["電源監控IC"] --> Q["故障檢測"]
Q --> R["切換控制邏輯"]
R --> S["切換繼電器"]
R --> T["狀態指示"]
end
subgraph "保護與可靠性設計"
U["RCD鉗位電路"] --> V["漏感能量吸收"]
W["輸入過壓保護"] --> X["AC浪湧抑制"]
Y["過溫保護"] --> Z["降額關斷"]
AA["輸出過流保護"] --> AB["限流模式"]
end
subgraph "熱管理"
AC["TO-252封裝"] --> AD["PCB敷銅散熱"]
AE["小型散熱片"] --> AF["自然對流"]
AG["環境溫度監控"] --> AH["工作點優化"]
end
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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