graph LR
subgraph "BLDC电机H桥驱动"
A["24V电源总线"] --> B["电机预驱IC"]
subgraph "H桥功率级"
Q_H1["VBGQF1302 \n 上桥1"]
Q_H2["VBGQF1302 \n 上桥2"]
Q_L1["VBGQF1302 \n 下桥1"]
Q_L2["VBGQF1302 \n 下桥2"]
end
B --> GATE_DRIVER["栅极驱动器"]
GATE_DRIVER --> Q_H1
GATE_DRIVER --> Q_H2
GATE_DRIVER --> Q_L1
GATE_DRIVER --> Q_L2
Q_H1 --> C["U相输出"]
Q_H2 --> D["V相输出"]
Q_L1 --> E["电机中性点"]
Q_L2 --> E
C --> F["BLDC电机"]
D --> F
E --> F
end
subgraph "气泵电机驱动"
G["24V电源总线"] --> H["气泵控制器"]
subgraph "半桥功率级"
Q_PUMP_H["VBGQF1302 \n 上桥"]
Q_PUMP_L["VBGQF1302 \n 下桥"]
end
H --> I["PWM驱动器"]
I --> Q_PUMP_H
I --> Q_PUMP_L
Q_PUMP_H --> J["气泵电机+"]
Q_PUMP_L --> K["气泵电机-"]
J --> L["消毒气泵"]
K --> L
end
subgraph "保护电路"
M["电流检测电阻"] --> N["比较器"]
O["TVS二极管"] --> P["栅极引脚"]
Q["缓冲电容"] --> R["漏-源极间"]
end
style Q_H1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_PUMP_H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
消毒模组开关控制拓扑详图
graph TB
subgraph "双路消毒模组独立控制"
A["MCU GPIO"] --> B["电平转换电路"]
B --> C["VBQF4338 \n 通道1栅极"]
B --> D["VBQF4338 \n 通道2栅极"]
subgraph "集成双P-MOSFET"
MOS1["VBQF4338 Ch1 \n 源极S1"]
MOS2["VBQF4338 Ch2 \n 源极S2"]
DRAIN["公共漏极D"]
end
C --> MOS1
D --> MOS2
E["24V电源"] --> DRAIN
MOS1 --> F["UV-C灯组供电"]
MOS2 --> G["等离子体供电"]
F --> H["UV-C消毒模块 \n 250-400W"]
G --> I["等离子体模块 \n 150-300W"]
end
subgraph "智能控制逻辑"
J["环境传感器"] --> K["AI决策算法"]
L["定时策略"] --> K
M["手动控制"] --> K
K --> N["消毒策略选择"]
N --> O["独立控制"]
N --> P["联动控制"]
O --> C
O --> D
P --> Q["同步信号"]
Q --> C
Q --> D
end
subgraph "安全保护电路"
R["RC滤波网络"] --> C
R --> D
S["续流二极管"] --> F
S --> G
T["过流检测"] --> U["故障隔离"]
U --> V["MCU中断"]
end
style MOS1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
传感器与辅助供电拓扑详图
graph LR
subgraph "多路传感器供电管理"
A["MCU GPIO 3.3V"] --> B["栅极串联电阻"]
B --> C["VB1435栅极"]
subgraph "SOT23-3封装"
GATE["栅极G"]
SOURCE["源极S"]
DRAIN["漏极D"]
end
C --> GATE
D["12V辅助电源"] --> DRAIN
SOURCE --> E["传感器电源输出"]
end
subgraph "传感器阵列"
E --> F["TOF测距传感器"]
E --> G["红外传感器阵列"]
E --> H["气体浓度传感器"]
E --> I["温湿度传感器"]
F --> J["数据线"]
G --> J
H --> J
I --> J
J --> K["MCU ADC/I2C"]
end
subgraph "通信模块供电"
L["MCU GPIO"] --> M["VB1435栅极"]
N["12V辅助电源"] --> O["VB1435漏极"]
P["VB1435源极"] --> Q["5G/Wi-Fi模块 \n 供电输出"]
M --> GATE2["VB1435栅极"]
O --> DRAIN2["VB1435漏极"]
SOURCE2["VB1435源极"] --> Q
end
subgraph "按需供电节能策略"
R["运动状态"] --> S["电源管理算法"]
T["环境检测需求"] --> S
U["通信调度"] --> S
S --> V["动态开关控制"]
V --> C
V --> M
end
subgraph "保护措施"
W["栅极TVS"] --> C
X["输出缓冲"] --> E
Y["软启动电路"] --> O
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBQF4338规格书
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