graph LR
subgraph "水泵驱动电路"
A["12V/24V主电源"] --> B["VBQF2610N \n 高侧开关"]
B --> C["直流无刷水泵"]
D["MCU PWM输出"] --> E["栅极驱动器"]
E --> B
subgraph "保护网络"
F["续流二极管"]
G["RC吸收电路"]
H["电流检测电阻"]
end
C --> F
F --> B
B --> G
G --> I["电源地"]
H --> C
H -->|电流反馈| MCU
end
subgraph "热管理与布局"
J["DFN8封装"] --> K["PCB大面积敷铜"]
K --> L["散热过孔阵列"]
M["温度传感器"] --> N["MCU ADC"]
N --> O["PWM调频控制"]
O --> E
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
超声波雾化驱动拓扑详图
graph TB
subgraph "高频振荡拓扑"
A["振荡器控制IC"] --> B["驱动信号"]
B --> C["栅极串联电阻"]
C --> D["VB1101M \n 开关MOSFET"]
D --> E["高频变压器初级"]
E --> F["谐振电容网络"]
F --> G["振荡反馈"]
G --> A
end
subgraph "雾化片驱动与保护"
E --> H["变压器次级"]
H --> I["超声波雾化片 \n (容性负载)"]
subgraph "电气保护"
J["TVS二极管阵列"]
K["缓冲吸收电路"]
L["过流检测"]
end
I --> J
D --> K
H --> L
L -->|保护信号| MCU
end
subgraph "热设计与布局"
M["SOT23-3封装"] --> N["高频功率路径最短化"]
O["远离MCU和传感器"] --> P["避免热干扰"]
Q["PCB接地敷铜散热"] --> M
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载管理拓扑详图
graph LR
subgraph "双N+P MOSFET内部结构"
A["VBKB5245 SC70-8"]
subgraph "N沟道MOSFET"
N_GATE["栅极N"]
N_SOURCE["源极N"]
N_DRAIN["漏极N"]
end
subgraph "P沟道MOSFET"
P_GATE["栅极P"]
P_SOURCE["源极P"]
P_DRAIN["漏极P"]
end
end
subgraph "负载开关应用"
MCU_GPIO["MCU GPIO"] --> LEVEL_SHIFTER["电平转换器"]
LEVEL_SHIFTER --> N_GATE
LEVEL_SHIFTER --> P_GATE
VCC_12V["12V辅助电源"] --> N_DRAIN
VCC_12V --> P_DRAIN
N_SOURCE --> LOAD1["负载1(风扇)"]
P_SOURCE --> LOAD2["负载2(LED)"]
LOAD1 --> GND
LOAD2 --> GND
end
subgraph "多路控制应用"
subgraph "通道1:风扇控制"
CH1_GPIO["GPIO1"] --> N_GATE
N_DRAIN --> FAN["散热风扇"]
end
subgraph "通道2:LED控制"
CH2_GPIO["GPIO2"] --> P_GATE
P_DRAIN --> LED["氛围LED"]
end
subgraph "通道3:传感器供电"
CH3_GPIO["GPIO3"] --> N_GATE2["额外MOSFET"]
N_DRAIN2["另一VBKB5245"] --> SENSORS["传感器阵列"]
end
end
subgraph "PCB布局优势"
SMALL_SIZE["SC70-8超小封装"]
HIGH_INTEGRATION["高度集成互补对管"]
SPACE_SAVING["节省>60% PCB面积"]
end
style A fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBQF2610N规格书
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