graph LR
subgraph "高速液晶驱动电路"
A["显示驱动IC"] --> B["驱动信号"]
B --> C["栅极驱动电阻"]
C --> D["VBQF1302栅极"]
subgraph "功率开关路径"
D --> E["VBQF1302 \n 30V/70A"]
end
F["驱动电源12-24V"] --> G["液晶光阀电容"]
E --> H["开关节点"]
H --> G
G --> I["液晶单元"]
I --> J["地"]
E --> K["源极接地"]
subgraph "保护网络"
L["TVS保护"] --> H
M["GS并联电阻"] --> E
N["电流检测"] --> H
end
N --> O["过流保护"]
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
主电源DC-DC转换拓扑详图
graph TB
subgraph "高效Buck转换器"
A["锂电池输入 \n 3.7-4.2V"] --> B["输入电容"]
B --> C["VBGQF1606漏极"]
subgraph "主开关管"
C --> D["VBGQF1606 \n 60V/50A"]
end
D --> E["开关节点"]
E --> F["功率电感"]
F --> G["输出电容"]
G --> H["3.3V/1.8V输出"]
I["PWM控制器"] --> J["栅极驱动器"]
J --> K["VBGQF1606栅极"]
D --> L["源极接地"]
subgraph "续流与保护"
M["肖特基二极管"] --> E
N["反馈网络"] --> H
O["过压保护"] --> H
end
N --> I
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载管理拓扑详图
graph LR
subgraph "双路集成负载开关"
A["MCU GPIO"] --> B["电平转换"]
B --> C["VBQG5222输入"]
subgraph "集成双MOS"
C --> D["VBQG5222 \n N+P沟道"]
end
E["12V辅助电源"] --> F["VBQG5222电源"]
D --> G["负载1输出"]
D --> H["负载2输出"]
G --> I["陀螺仪"]
H --> J["加速度计"]
I --> K["传感器地"]
J --> K
subgraph "扩展通道"
L["MCU GPIO2"] --> M["电平转换2"]
M --> N["VBQG5222_2输入"]
N --> O["VBQG5222_2"]
O --> P["红外接收器"]
O --> Q["状态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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