graph TB
subgraph "太陽能輸入與MPPT控制"
A["太陽能板 \n 9-36VDC"] --> B["MPPT控制器 \n 最大功率點跟蹤"]
B --> C["充電控制信號"]
C --> D["電池管理IC"]
end
subgraph "主電源開關電路"
E["鋰電池 \n 12V/24V"] --> F["主電源通路"]
F --> G["VBQF1306 \n 柵極驅動"]
G --> H["VBQF1306 \n 30V/40A \n Rds(on)=5mΩ"]
H --> I["系統主電源 \n 12V輸出"]
I --> J["DC-DC轉換器"]
J --> K["5V/3.3V輔助電源"]
end
subgraph "散熱與保護設計"
L["150mm² PCB敷銅"] --> H
M["散熱過孔陣列"] --> L
N["輸入濾波電容"] --> F
O["輸出濾波電容"] --> I
P["TVS保護管"] --> A
Q["壓敏電阻"] --> A
end
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能開關控制拓撲詳圖
graph LR
subgraph "MCU GPIO直接驅動"
A["MCU GPIO \n 3.3V"] --> B["柵極電阻 \n 22-100Ω"]
B --> C["VBI1638柵極 \n Vth=1.7V"]
C --> D["VBI1638 \n 60V/8A \n SOT89"]
D --> E["負載電源輸出"]
end
subgraph "多路負載控制通道"
subgraph "雷達模組通道"
F["GPIO1"] --> G["VBI1638_1"]
G --> H["雷達模組 \n 12V/0.5A"]
end
subgraph "通信模組通道"
I["GPIO2"] --> J["VBI1638_2"]
J --> K["4G模組 \n 12V/2A"]
end
subgraph "攝像頭通道"
L["GPIO3"] --> M["VBI1638_3"]
M --> N["攝像頭 \n 5V/1A"]
end
end
subgraph "去耦與濾波設計"
O["π型濾波網路"] --> K
P["鐵氧體磁珠"] --> K
Q["去耦電容"] --> H
R["去耦電容"] --> N
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
介面保護電路拓撲詳圖
graph TB
subgraph "RS-485介面三級防護"
A["MCU UART"] --> B["隔離收發器"]
B --> C["保護電路前級"]
subgraph "VBQD5222U雙MOS保護"
direction LR
D["N-MOS \n 20V/5.9A"]
E["P-MOS \n -20V/-4A"]
end
C --> D
C --> E
D --> F["TVS管陣列"]
E --> F
F --> G["限流電阻"]
G --> H["RS-485連接器"]
end
subgraph "模擬感測器隔離開關"
I["感測器電源 \n 5V"] --> J["電平轉換電路"]
J --> K["VBI1638柵極"]
K --> L["VBI1638"]
L --> M["感測器供電輸出"]
M --> N["NTC溫度感測器"]
M --> O["壓力感測器"]
end
subgraph "輔助保護器件"
P["防雷浪湧保護器"] --> H
Q["ESD保護二極體"] --> B
R["濾波電容"] --> I
S["遮罩層接地"] --> H
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,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.