graph LR
subgraph "高频PWM加热控制"
A["24V直流输入"] --> B["输入滤波电容"]
B --> C["VBQF1306驱动节点"]
C --> D["VBQF1306 \n N-MOSFET"]
D --> E["加热棒负载"]
E --> F["电流采样电阻"]
F --> G["地"]
H["MCU PWM输出"] --> I["IRS21844栅极驱动器"]
I --> D
J["NTC温度传感器"] --> K["ADC接口"]
K --> H
end
subgraph "热管理与保护"
L["温度监控"] --> M["PID算法"]
M --> H
N["过流检测"] --> O["比较器"]
O --> P["故障锁存"]
P --> Q["驱动关断"]
Q --> I
R["散热敷铜"] --> D
S["散热过孔"] --> D
end
subgraph "EMC优化"
T["母线去耦电容"] --> A
U["RC吸收电路"] --> C
V["栅极电阻"] --> I
W["TVS保护"] --> I
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
水泵与阀组驱动拓扑详图
graph TB
subgraph "水泵H桥驱动"
A["24V直流输入"] --> B["水泵驱动桥臂"]
subgraph "B [H桥MOSFET阵列]"
direction LR
Q1["VBQF1695 \n 高侧"]
Q2["VBQF1695 \n 低侧"]
Q3["VBQF1695 \n 高侧"]
Q4["VBQF1695 \n 低侧"]
end
B --> C["直流水泵"]
D["TC4427驱动器"] --> Q1
D --> Q2
D --> Q3
D --> Q4
E["MCU控制信号"] --> F["死区时间控制"]
F --> D
end
subgraph "电磁阀驱动通道"
G["24V直流输入"] --> H["阀组驱动节点"]
H --> I["VBQF1695开关管"]
I --> J["电磁阀线圈"]
J --> K["续流二极管"]
K --> L["地"]
M["MCU GPIO"] --> N["隔离驱动"]
N --> I
end
subgraph "保护与吸收"
O["RC吸收网络"] --> C
P["磁环滤波器"] --> C
Q["TVS钳位"] --> I
R["干转检测"] --> E
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style I fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助负载管理拓扑详图
graph LR
subgraph "双路智能开关通道"
A["12V辅助电源"] --> B["VBC9216输入"]
subgraph "B [VBC9216双N-MOS]"
direction TB
IN1["栅极1"]
IN2["栅极2"]
S1["源极1"]
S2["源极2"]
D1["漏极1"]
D2["漏极2"]
end
D1 --> C["座圈加热器"]
D2 --> D["UV杀菌灯"]
S1 --> E["地"]
S2 --> E
F["MCU GPIO1"] --> G["电平匹配"]
F --> H["电平匹配"]
G --> IN1
H --> IN2
end
subgraph "多路负载管理"
I["VBC9216通道3"] --> J["气泵电机"]
K["VBC9216通道4"] --> L["氛围LED"]
M["人体感应"] --> N["MCU"]
O["定时逻辑"] --> N
P["节能模式"] --> N
N --> F
end
subgraph "保护与检测"
Q["ESD保护"] --> IN1
Q --> IN2
R["电流采样"] --> C
R --> D
S["温度监控"] --> C
T["故障反馈"] --> N
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBQF1306规格书
中文
English
