graph LR
subgraph "主电源路径管理"
A["车载电源 \n 12V/24V"] --> B["TVS+保险丝 \n 保护电路"]
B --> C["VBQF1102N \n 主开关"]
C --> D["输入滤波电容"]
D --> E["降压DC-DC \n 转换器"]
E --> F["3.3V/5V \n 逻辑电源"]
G["主控MCU"] --> H["栅极驱动器"]
H --> C
F --> G
end
subgraph "气泵H桥驱动电路"
I["逻辑电源"] --> J["H桥控制器"]
G --> J
subgraph "H桥功率级"
direction LR
K["VBQG5222 \n N+P MOS对"]
L["VBQG5222 \n N+P MOS对"]
end
J --> K
J --> L
K --> M["微型气泵 \n 负载"]
L --> M
N["续流二极管"] --> M
O["RC吸收电路"] --> M
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
graph LR
subgraph "三级热管理系统"
subgraph "一级热管理: 主功率器件"
A["VBQF1102N"] --> B["大面积PCB敷铜"]
B --> C["散热通孔阵列"]
C --> D["系统外壳"]
end
subgraph "二级热管理: 驱动器件"
E["VBQG5222"] --> F["局部敷铜"]
G["VBK3215N"] --> H["信号层铜皮"]
end
subgraph "三级热管理: 控制芯片"
I["MCU/控制IC"] --> J["自然对流"]
end
K["NTC温度传感器"] --> L["MCU ADC"]
L --> M["智能温控算法"]
M --> N["负载功率调节"]
end
subgraph "电气保护网络"
subgraph "输入端保护"
O["TVS管阵列"] --> P["电源输入"]
Q["自恢复保险丝"] --> P
R["输入滤波电容"] --> P
end
subgraph "开关节点保护"
S["RCD缓冲电路"] --> T["主开关节点"]
U["RC吸收电路"] --> V["H桥节点"]
end
subgraph "栅极保护"
W["栅极串联电阻"] --> X["所有MOSFET栅极"]
Y["栅极TVS管"] --> X
Z["栅极下拉电阻"] --> X
end
subgraph "负载端保护"
AA["续流二极管"] --> BB["感性负载"]
CC["限流电阻"] --> DD["LED负载"]
EE["过压保护"] --> FF["敏感电路"]
end
end
style A fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#fff3e0,stroke:#ff9800,stroke-width:2px
*To request free samples, please complete and submit the following information. Our team will review your application within 24 hours and arrange shipment upon approval. Thank you!
X
SN Check
***Serial Number Lookup Prompt**
1. Enter the complete serial number, including all letters and numbers.
2. Click Submit to proceed with verification.
The system will verify the validity of the serial number and its corresponding product information to help you confirm its authenticity.
If you notice any inconsistencies or have any questions, please immediately contact our customer service team. You can also call 400-655-8788 for manual verification to ensure that the product you purchased is authentic.