graph LR
subgraph "双P-MOS电源开关通道"
A["12V系统总线"] --> B["VBK4223N Ch1"]
C["MCU GPIO (3.3V)"] --> D["栅极驱动电阻10Ω"]
D --> B
B --> E["传感器电源输出"]
E --> F["PIR传感器"]
F --> G["信号调理电路"]
G --> H["MCU ADC输入"]
I["使能控制"] --> J["逻辑电平"]
J --> C
end
subgraph "低功耗循环模式"
K["休眠状态"] --> L["MCU待机"]
L --> M["定时唤醒"]
M --> N["开启传感器电源"]
N --> O["数据采集"]
O --> P["数据处理"]
P --> Q["进入休眠"]
Q --> K
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style C fill:#fce4ec,stroke:#e91e63,stroke-width:2px
报警执行器驱动拓扑详图
graph TB
subgraph "大电流N-MOS驱动电路"
A["24V主电源"] --> B["VBGQF1302 \n 漏极"]
C["预驱动芯片"] --> D["栅极驱动"]
D --> E["VBGQF1302 \n 栅极"]
F["MCU GPIO"] --> G["使能信号"]
G --> C
E --> H["VBGQF1302 \n 源极"]
H --> I["警号负载"]
I --> J["地"]
end
subgraph "栅极驱动电路"
K["12V辅助电源"] --> L["预驱动IC"]
M["3.3V逻辑"] --> N["电平转换"]
N --> L
L --> O["栅极驱动输出"]
O --> P["驱动电阻"]
P --> Q["MOSFET栅极"]
R["栅极下拉电阻"] --> S["快速关断"]
end
subgraph "保护电路"
T["RC吸收网络"] --> U["漏-源极之间"]
V["TVS保护"] --> W["栅-源极之间"]
X["电流检测电阻"] --> Y["比较器"]
Y --> Z["过流保护"]
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
通信模块电源管理拓扑详图
graph LR
subgraph "P-MOS高侧开关"
A["系统电源总线"] --> B["VBQF2216 \n 漏极"]
C["电平转换电路"] --> D["VBQF2216 \n 栅极"]
E["MCU GPIO"] --> F["NPN三极管"]
F --> C
D --> G["VBQF2216 \n 源极"]
G --> H["通信模块电源"]
end
subgraph "智能电源管理"
I["工作模式"] --> J["连续工作"]
I --> K["间歇工作"]
I --> L["深度休眠"]
J --> M["持续供电"]
K --> N["定时唤醒"]
N --> O["数据收发"]
O --> P["进入休眠"]
L --> Q["关闭电源"]
Q --> R["最低功耗"]
end
subgraph "故障隔离"
S["模块故障检测"] --> T["电流监控"]
U["温度监控"] --> V["过温保护"]
W["通信超时"] --> X["复位控制"]
X --> Y["电源循环"]
Y --> Z["故障恢复"]
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style E fill:#fce4ec,stroke:#e91e63,stroke-width:2px
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