graph LR
subgraph "恒流驱动与PWM调光"
A["LED驱动控制器 \n 恒定电流输出"] --> B["栅极驱动器"]
B --> C["VBGQF1101N \n 100V/50A"]
D["直流输入 \n 24-48V"] --> E["输入滤波电容"]
E --> F["续流二极管"]
C --> G["电流检测电阻"]
G --> H["LED阵列 \n 串联/并联组合"]
F --> H
I["PWM调光信号"] --> A
J["温度反馈"] --> A
K["亮度反馈"] --> A
end
subgraph "热管理与保护"
L["PCB散热敷铜"] --> C
M["散热片"] --> H
N["过压保护电路"] --> C
O["过温保护"] --> A
P["RC吸收电路"] --> C
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能BLDC风扇驱动拓扑详图
graph TB
subgraph "三相BLDC半桥驱动"
A["风扇驱动MCU"] --> B["PWM控制信号"]
B --> C["预驱动电路"]
subgraph "功率半桥阵列"
D["VBQF3316G \n 高边N-MOS"]
E["VBQF3316G \n 低边N-MOS"]
F["VBQF3316G \n 高边N-MOS"]
G["VBQF3316G \n 低边N-MOS"]
H["VBQF3316G \n 高边N-MOS"]
I["VBQF3316G \n 低边N-MOS"]
end
C --> D
C --> E
C --> F
C --> G
C --> H
C --> I
J["12V/24V风扇电源"] --> K["自举电路"]
K --> D
K --> F
K --> H
D --> L["BLDC风扇 \n U相"]
E --> M["电流检测"]
F --> N["BLDC风扇 \n V相"]
G --> O["电流检测"]
H --> P["BLDC风扇 \n W相"]
I --> Q["电流检测"]
M --> A
O --> A
Q --> A
end
subgraph "智能温控反馈"
R["DMD温度传感器"] --> S["温度监控"]
T["LED温度传感器"] --> S
U["环境温度传感器"] --> S
S --> V["PID控制算法"]
V --> A
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能电源路径管理拓扑详图
graph LR
subgraph "多路负载开关控制"
A["主控MCU GPIO"] --> B["电平转换电路"]
subgraph "电源路径开关阵列"
C["VBQG8238 \n 音频功放开关"]
D["VBQG8238 \n AI传感器开关"]
E["VBQG8238 \n USB接口开关"]
F["VBQG8238 \n 无线模块开关"]
end
B --> C
B --> D
B --> E
B --> F
G["12V系统电源"] --> C
G --> D
H["5V系统电源"] --> E
H --> F
C --> I["音频功率放大器"]
D --> J["AI视觉/语音传感器"]
E --> K["USB充电端口"]
F --> L["WiFi/BT模块"]
end
subgraph "智能功耗管理"
M["使用场景检测"] --> N["功耗管理策略"]
O["电池电量监测"] --> N
P["温度状态监测"] --> N
N --> Q["动态电源分配"]
Q --> A
end
subgraph "保护电路"
R["过流保护"] --> C
R --> D
R --> E
R --> F
S["ESD保护"] --> K
T["TVS浪涌抑制"] --> I
U["反向电流阻断"] --> C
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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