graph LR
subgraph "高速液晶驅動電路"
A["顯示驅動IC"] --> B["驅動信號"]
B --> C["柵極驅動電阻"]
C --> D["VBQF1302柵極"]
subgraph "功率開關路徑"
D --> E["VBQF1302 \n 30V/70A"]
end
F["驅動電源12-24V"] --> G["液晶光閥電容"]
E --> H["開關節點"]
H --> G
G --> I["液晶單元"]
I --> J["地"]
E --> K["源極接地"]
subgraph "保護網路"
L["TVS保護"] --> H
M["GS並聯電阻"] --> E
N["電流檢測"] --> H
end
N --> O["過流保護"]
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
主電源DC-DC轉換拓撲詳圖
graph TB
subgraph "高效Buck轉換器"
A["鋰電池輸入 \n 3.7-4.2V"] --> B["輸入電容"]
B --> C["VBGQF1606漏極"]
subgraph "主開關管"
C --> D["VBGQF1606 \n 60V/50A"]
end
D --> E["開關節點"]
E --> F["功率電感"]
F --> G["輸出電容"]
G --> H["3.3V/1.8V輸出"]
I["PWM控制器"] --> J["柵極驅動器"]
J --> K["VBGQF1606柵極"]
D --> L["源極接地"]
subgraph "續流與保護"
M["肖特基二極體"] --> E
N["回饋網路"] --> H
O["過壓保護"] --> H
end
N --> I
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能負載管理拓撲詳圖
graph LR
subgraph "雙路集成負載開關"
A["MCU GPIO"] --> B["電平轉換"]
B --> C["VBQG5222輸入"]
subgraph "集成雙MOS"
C --> D["VBQG5222 \n N+P溝道"]
end
E["12V輔助電源"] --> F["VBQG5222電源"]
D --> G["負載1輸出"]
D --> H["負載2輸出"]
G --> I["陀螺儀"]
H --> J["加速度計"]
I --> K["感測器地"]
J --> K
subgraph "擴展通道"
L["MCU GPIO2"] --> M["電平轉換2"]
M --> N["VBQG5222_2輸入"]
N --> O["VBQG5222_2"]
O --> P["紅外接收器"]
O --> Q["狀態LED"]
P --> R["地"]
Q --> R
end
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style O fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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