graph LR
subgraph "光伏輸入與防護"
A["光伏輸入 \n 30-400VDC"] --> B["浪湧防護電路 \n GDT+TVS+壓敏電阻"]
B --> C["EMI濾波器 \n 共模電感"]
end
subgraph "升降壓變換器拓撲"
C --> D["輸入電容"]
D --> E["升降壓電感"]
E --> F["開關節點"]
F --> G["VBM16R25SFD \n 600V/25A"]
G --> H["輸出電容"]
H --> I["高壓直流母線 \n 至電池"]
J["PWM控制器"] --> K["隔離柵極驅動器 \n SI8233"]
K --> G
I -->|電壓回饋| J
end
subgraph "隔離變換器"
I --> L["高頻變壓器"]
L --> M["同步整流"]
M --> N["輔助輸出 \n 12V/24V"]
end
subgraph "驅動與保護"
O["驅動電源"] --> K
P["RC吸收電路 \n 1nF+10Ω"] --> G
Q["磁珠抑制"] --> G
end
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#ffebee,stroke:#f44336,stroke-width:2px
電池保護與路徑管理拓撲詳圖 (場景2)
graph TB
subgraph "電池組配置"
A["48V電池組 \n 16S LiFePO4"] --> B["電池均衡電路"]
A --> C["96V電池組 \n 32S LiFePO4"]
end
subgraph "主保護開關通道"
D["充電輸入"] --> E["VBQA2611 \n 充電開關"]
F["放電輸出"] --> G["VBQA2611 \n 放電開關"]
H["電池正極"] --> E
H --> G
E --> I["充電管理電路"]
G --> J["負載輸出端"]
I -->|電流檢測| K["採樣電阻 \n 1mΩ"]
J -->|電流檢測| K
K --> L["比較器電路"]
L --> M["故障鎖存"]
end
subgraph "BMS控制核心"
N["BMS主控MCU"] --> O["PMOS驅動器 \n TC4427"]
O --> E
O --> G
N --> P["電壓採集 \n 16通道"]
N --> Q["溫度採集 \n 4路NTC"]
P --> A
Q --> R["電池包外殼"]
N --> S["均衡控制"]
S --> B
M --> N
end
subgraph "PCB熱設計"
T["大面積敷銅 \n ≥300mm²"] --> E
T --> G
U["散熱過孔陣列"] --> T
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style N fill:#fce4ec,stroke:#e91e63,stroke-width:2px
輔助電源與逆變拓撲詳圖 (場景3)
graph LR
subgraph "輔助反激電源"
A["直流輸入 \n 12-24V"] --> B["反激變壓器"]
B --> C["開關節點"]
C --> D["VBA1203M \n 200V/3A"]
D --> E["輸出整流"]
E --> F["輸出濾波"]
F --> G["12V輔助電源"]
F --> H["5V數字電源"]
F --> I["3.3V MCU電源"]
J["PWM控制器"] --> K["圖騰柱驅動"]
K --> D
end
subgraph "小功率逆變橋"
L["直流輸入 \n 48-96V"] --> M["H橋拓撲"]
subgraph M ["H橋功率管"]
direction TB
Q1["VBA1203M \n 上管1"]
Q2["VBA1203M \n 下管1"]
Q3["VBA1203M \n 上管2"]
Q4["VBA1203M \n 下管2"]
end
Q1 --> N["交流輸出A"]
Q2 --> O["交流地"]
Q3 --> P["交流輸出B"]
Q4 --> O
R["SPWM控制器"] --> S["死區控制"]
S --> T["柵極驅動"]
T --> Q1
T --> Q2
T --> Q3
T --> Q4
N --> U["LC濾波器"]
P --> U
U --> V["220VAC輸出"]
end
subgraph "負載連接"
G --> W["感測器陣列"]
H --> X["通信模組 \n 4G/LoRa"]
I --> Y["主控MCU"]
V --> Z["水泵/加熱器"]
end
subgraph "散熱設計"
AA["局部敷銅 \n 50mm²"] --> D
AA --> Q1
AB["散熱過孔"] --> AA
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Q1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Y fill:#fce4ec,stroke:#e91e63,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.