graph LR
subgraph "主电源路径管理"
A["锂电池 \n 3V-9V"] --> B["主电源开关"]
B --> C["VBQF1206 \n N-MOSFET"]
C --> D["主电源总线"]
E["MCU控制信号"] --> F["驱动缓冲器"]
F --> G["栅极驱动"]
G --> C
H["栅极保护电阻"] --> C
I["TVS保护"] --> C
end
subgraph "报警器驱动电路"
D --> J["报警器开关"]
J --> K["VBQF1206 \n N-MOSFET"]
K --> L["蜂鸣器负载"]
M["自恢复保险丝 \n (PPTC)"] --> K
N["MCU报警触发"] --> O["报警驱动"]
O --> K
L --> P["地"]
end
subgraph "热管理"
Q["PCB敷铜散热"] --> C
Q --> K
R["脉冲电流设计"] --> K
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
传感器与无线模块电源管理拓扑详图
graph TB
subgraph "传感器电源域管理"
A["主电源总线"] --> B["传感器供电开关"]
B --> C["VBC7N3010 \n N-MOSFET"]
C --> D["π型滤波器"]
D --> E["烟雾传感器"]
F["MCU GPIO"] --> G["直接驱动"]
G --> C
H["栅极串联电阻"] --> C
I["TVS保护"] --> C
E --> J["检测信号"]
J --> K["MCU ADC"]
end
subgraph "无线模块电源管理"
L["主电源总线"] --> M["无线模块开关"]
M --> N["VBC7N3010 \n N-MOSFET"]
N --> O["电源滤波器"]
O --> P["无线模块 \n Wi-Fi/Zigbee"]
Q["MCU GPIO"] --> R["直接驱动"]
R --> N
S["栅极串联电阻"] --> N
T["TVS保护"] --> N
P --> U["RF信号"]
U --> V["天线"]
P --> W["数据接口"]
W --> X["MCU UART/SPI"]
end
subgraph "节能策略"
Y["常开模式"] --> E
Z["间歇工作模式"] --> P
AA["智能唤醒"] --> P
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style N fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
信号控制与接口管理拓扑详图
graph LR
subgraph "双路信号控制"
A["MCU GPIO1"] --> B["直接驱动"]
A --> C["直接驱动"]
B --> D["VBK3215N \n 通道1"]
C --> E["VBK3215N \n 通道2"]
subgraph D ["VBK3215N 双N-MOS"]
direction TB
G1[栅极1]
S1[源极1]
D1[漏极1]
end
subgraph E [" "]
direction TB
G2[栅极2]
S2[源极2]
D2[漏极2]
end
F["主电源总线"] --> D1
F --> D2
S1 --> G["负载1 \n LED指示灯"]
S2 --> H["负载2 \n 测试按钮接口"]
G --> I["地"]
H --> I
end
subgraph "接口保护与消抖"
J["TVS保护"] --> H
K["RC消抖电路"] --> H
L["ESD防护"] --> H
end
subgraph "状态指示逻辑"
M["电源正常"] --> G
N["电池低压"] --> G
O["故障报警"] --> G
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
保护电路与可靠性设计拓扑详图
graph TB
subgraph "栅极驱动保护"
subgraph "主开关保护"
A["栅极电阻 \n 10-100Ω"] --> B["VBQF1206栅极"]
C["TVS管"] --> B
D["驱动缓冲器"] --> B
end
subgraph "负载开关保护"
E["栅极电阻 \n 10-100Ω"] --> F["VBC7N3010栅极"]
G["TVS管"] --> F
H["MCU GPIO"] --> F
end
end
subgraph "电源路径保护"
I["主电源总线"] --> J["TVS阵列 \n 过压保护"]
I --> K["π型滤波器 \n EMI抑制"]
subgraph "报警回路保护"
L["自恢复保险丝 \n (PPTC)"] --> M["报警器驱动回路"]
N["过流检测"] --> M
end
end
subgraph "信号接口保护"
O["测试按钮接口"] --> P["TVS保护"]
O --> Q["RC消抖电路"]
O --> R["ESD防护"]
S["LED驱动端口"] --> T["瞬态抑制"]
end
subgraph "监测与诊断"
U["电压监测电路"] --> V["MCU ADC"]
W["电流监测电路"] --> V
X["温度传感器"] --> V
Y["故障锁存"] --> Z["系统复位"]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
点击下载：VBC7N3010规格书
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