graph TB
subgraph "大功率LED驱动电路"
A["48V直流输入"] --> B["输入滤波电容"]
B --> C["VBQF1101N \n 开关节点"]
C --> D["VBQF1101N \n 100V/50A"]
D --> E["输出电感"]
E --> F["输出电容"]
F --> G["LED阵列+ \n 50-150W"]
G --> H["电流检测电阻"]
H --> I["地"]
J["专用驱动IC"] --> K["栅极驱动"]
K --> D
L["PWM控制器"] --> J
M["电压反馈"] --> L
N["电流反馈"] --> L
end
subgraph "热管理设计"
O["大面积敷铜"] --> D
P["散热过孔阵列"] --> O
Q["金属基板"] --> O
R["温度传感器"] --> S["热管理MCU"]
S --> T["风扇控制"]
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
多区域调光控制拓扑详图
graph LR
subgraph "双通道独立调光"
A["24V调光总线"] --> B["通道1输入"]
A --> C["通道2输入"]
subgraph "VBQF3101M 双N-MOS"
direction TB
D["栅极1"] --> E["漏极1"]
F["源极1"] --> G["内部连接"]
H["栅极2"] --> I["漏极2"]
J["源极2"]
end
B --> E
C --> I
F --> K["区域1 LED \n 10-30W"]
J --> L["区域2 LED \n 10-30W"]
K --> M["地"]
L --> M
N["驱动电路1"] --> D
O["驱动电路2"] --> H
P["MCU PWM1"] --> N
Q["MCU PWM2"] --> O
end
subgraph "调光控制与保护"
R["高频PWM发生器"] --> P
R --> Q
S["独立电流检测"] --> K
S --> L
T["过流保护"] --> N
T --> O
U["RC滤波"] --> D
U --> H
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
传感器与通信模块供电拓扑详图
graph TB
subgraph "智能供电管理"
A["5V辅助电源"] --> B["传感器供电节点"]
A --> C["通信模块供电节点"]
subgraph "MCU直接驱动"
D["GPIO1(3.3V)"] --> E["22Ω限流电阻"]
E --> F["VB1240栅极"]
G["VB1240漏极"] --> B
H["VB1240源极"] --> I["人体传感器"]
I --> J["地"]
K["GPIO2(3.3V)"] --> L["22Ω限流电阻"]
L --> M["VB1240栅极"]
N["VB1240漏极"] --> C
O["VB1240源极"] --> P["无线通信模块"]
P --> Q["地"]
end
end
subgraph "低功耗待机管理"
R["MCU睡眠模式"] --> S["唤醒检测"]
S --> T["人体感应信号"]
T --> U["唤醒MCU"]
U --> D
U --> K
V["定时唤醒"] --> U
W["待机功耗<1mW"] --> R
end
subgraph "保护电路"
X["栅极TVS"] --> F
X --> M
Y["磁珠滤波"] --> I
Y --> P
end
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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