graph LR
subgraph "多电源输入选择"
A["锂电池 3.6V"] --> B["电源选择器"]
C["总线电源 12V/24V"] --> B
B --> D["主电源输出"]
end
subgraph "电源路径管理"
D --> E["VBBD1330D \n 电源路径MOSFET"]
E --> F["负载点分配网络"]
F --> G["DC-DC转换器输入"]
G --> H["降压转换器"]
H --> I["MCU供电 3.3V"]
F --> J["直接供电点"]
end
subgraph "MCU控制接口"
K["MCU GPIO"] --> L["10-100Ω 栅极电阻"]
L --> M["TVS保护"]
M --> E
end
subgraph "功耗优化设计"
N["低Vth(1.5V)特性"] --> O["3.3V GPIO直接驱动"]
P["低Rds(on)=29mΩ"] --> Q["极低导通损耗"]
R["DFN8(3x2)-B封装"] --> S["优异热性能"]
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#fce4ec,stroke:#e91e63,stroke-width:2px
阀门电机驱动拓扑详图
graph TB
subgraph "H桥驱动电路"
A["24V电源"] --> B["上桥臂开关"]
B --> C["电机正端"]
D["电机负端"] --> E["下桥臂开关"]
E --> F["地"]
subgraph "MOSFET桥臂"
Q1["VBQF1306 \n 上桥臂1"]
Q2["VBQF1306 \n 上桥臂2"]
Q3["VBQF1306 \n 下桥臂1"]
Q4["VBQF1306 \n 下桥臂2"]
end
B --> Q1
B --> Q2
C --> VALVE["阀门电机"]
VALVE --> D
E --> Q3
E --> Q4
end
subgraph "栅极驱动电路"
G["MCU PWM输出"] --> H["预驱动芯片"]
H --> I["推挽驱动器"]
I --> Q1
I --> Q2
I --> Q3
I --> Q4
end
subgraph "保护电路"
J["续流二极管"] --> VALVE
K["RC吸收网络"] --> VALVE
L["电流检测"] --> M["过流保护"]
M --> N["故障关断"]
N --> H
end
subgraph "性能参数"
O["Rds(on)=5mΩ"] --> P["极低导通电阻"]
Q["40A连续电流"] --> R["充足电流裕量"]
S["DFN8(3x3)封装"] --> T["优秀散热能力"]
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style VALVE fill:#ffebee,stroke:#f44336,stroke-width:2px
通信与传感器模块开关拓扑详图
graph LR
subgraph "通信模块电源管理"
A["12V辅助电源"] --> B["VB7101M \n 通信开关"]
B --> C["NB-IoT模块"]
D["MCU控制信号"] --> E["电平转换"]
E --> B
C --> F["天线接口"]
C --> G["MCU UART"]
end
subgraph "传感器阵列供电"
H["12V辅助电源"] --> I["VB7101M \n 传感器开关"]
I --> J["流量传感器"]
I --> K["压力传感器"]
I --> L["温度传感器"]
M["MCU控制信号"] --> N["电平转换"]
N --> I
J --> O["MCU ADC"]
K --> O
L --> O
end
subgraph "智能开关策略"
P["休眠模式"] --> Q["微安级待机"]
R["唤醒事件"] --> S["按需供电"]
T["通信间隔"] --> U["周期性激活"]
end
subgraph "可靠性设计"
V["100V耐压"] --> W["高压裕量"]
X["独立源极引脚"] --> Y["布线便利"]
Z["SOT23-6封装"] --> AA["空间节省"]
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style I fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style C fill:#e1f5fe,stroke:#03a9f4,stroke-width:2px
点击下载：VB7101M规格书
中文
English
