graph TB
subgraph "核心處理器PoL電源開關"
A["主電源輸入 \n 12V"] --> B["輸入濾波電容"]
B --> C["VBC7P2216 \n P-MOS開關"]
C --> D["輸出濾波網路"]
D --> E["AI SoC/FPGA \n 核心電源"]
F["MCU GPIO"] --> G["電平轉換電路"]
G --> H["驅動電晶體"]
H --> I["VBC7P2216柵極"]
subgraph "保護與監控"
J["過流檢測電阻"] --> K["比較器"]
K --> L["故障信號"]
M["緩啟動電容"] --> N["軟啟動控制"]
end
L --> O["關斷信號"]
O --> I
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
感測器與電機驅動拓撲詳圖
graph LR
subgraph "感測器電源管理通道"
A["3.3V/5V電源"] --> B["π型濾波電路"]
B --> C["VBR9N1219 \n 負載開關"]
C --> D["感測器模組 \n (RGB-D攝像頭)"]
E["MCU GPIO"] --> F["驅動電路"]
F --> G["VBR9N1219柵極"]
end
subgraph "電機PWM驅動通道"
H["電機電源12V"] --> I["電機驅動電路"]
subgraph "半橋驅動"
J["VBR9N1219 \n 高側開關"]
K["續流二極體"]
end
I --> J
I --> K
J --> L["雲臺電機"]
K --> L
M["PWM控制器"] --> N["電機驅動器"]
N --> O["VBR9N1219柵極"]
subgraph "堵轉保護"
P["電流檢測"] --> Q["比較器"]
Q --> R["保護信號"]
end
R --> S["關斷控制"]
S --> O
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
同步Buck轉換器拓撲詳圖
graph TB
subgraph "同步Buck功率級"
A["輸入12V"] --> B["輸入電容"]
B --> C["上管開關節點"]
C --> D["VBBC3210 \n 上管N-MOS"]
D --> E["開關節點"]
E --> F["VBBC3210 \n 下管N-MOS"]
F --> G["功率地"]
E --> H["Buck電感"]
H --> I["輸出電容"]
I --> J["輸出1.8V/3.3V"]
end
subgraph "控制與驅動"
K["同步Buck控制器"] --> L["上管驅動器"]
K --> M["下管驅動器"]
L --> N["VBBC3210上管柵極"]
M --> O["VBBC3210下管柵極"]
subgraph "電壓回饋"
P["輸出電壓採樣"] --> Q["誤差放大器"]
Q --> K
end
end
subgraph "H橋雙向控制應用"
R["電源輸入"] --> S["VBBC3210 H橋電路"]
S --> T["主動式掃描筆"]
U["H橋控制器"] --> V["驅動邏輯"]
V --> S
subgraph "電流方向檢測"
W["電流檢測放大器"] --> X["方向判斷"]
X --> U
end
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style S fill:#fff3e0,stroke:#ff9800,stroke-width:2px
保護電路與熱管理拓撲詳圖
graph LR
subgraph "三級熱管理系統"
A["一級: PCB敷銅散熱"] --> B["VBC7P2216/VBR9N1219"]
C["二級: 散熱片+導熱墊"] --> D["VBBC3210功率級"]
E["三級: 強制風冷"] --> F["整機散熱風道"]
G["溫度感測器"] --> H["MCU熱管理單元"]
H --> I["風扇PWM控制"]
H --> J["功率動態調節"]
I --> K["散熱風扇"]
J --> L["頻率/電壓調節"]
end
subgraph "電氣保護網路"
M["柵極保護電路"] --> N["所有MOSFET柵極"]
O["TVS陣列"] --> P["外部介面端口"]
Q["RC緩衝電路"] --> R["Buck開關節點"]
S["過流檢測電路"] --> T["比較器與鎖存"]
T --> U["全局關斷信號"]
U --> V["功率路徑斷開"]
subgraph "ESD防護"
W["ESD保護器件"] --> X["USB/通信介面"]
Y["防反接電路"] --> Z["電源輸入端"]
end
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:1px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:1px
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