graph TB
subgraph "反激式隔離轉換器"
A["高壓直流輸入 \n 200-400VDC"] --> B["輸入濾波電容"]
B --> C["VBI165R01 \n 初級開關管"]
C --> D["高頻變壓器初級"]
D --> E["初級地"]
F["PWM控制器"] --> G["柵極驅動器"]
G --> C
subgraph "次級側整流"
H["變壓器次級"] --> I["同步整流管/二極體"]
I --> J["輸出濾波"]
end
J --> K["隔離輸出 \n 12V/24V/48V"]
L["回饋光耦"] --> F
K --> L
subgraph "保護電路"
M["RCD鉗位網路"] --> C
N["TVS保護"] --> G
O["過流檢測"] --> C
O --> F
end
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
大電流Buck轉換器拓撲詳圖
graph LR
subgraph "同步Buck功率級"
A["隔離母線輸入 \n 48V"] --> B["輸入電容 \n 低ESL"]
B --> C["上管: VBGQF1101N"]
C --> D["開關節點"]
D --> E["功率電感"]
E --> F["輸出電容 \n 低ESR"]
F --> G["負載模擬輸出 \n 0-60V/50A"]
D --> H["下管: VBGQF1101N"]
H --> I["功率地"]
J["數字PWM控制器"] --> K["雙路柵極驅動器"]
K --> C
K --> H
G --> L["電流檢測放大器"]
L --> J
M["電壓回饋"] --> J
end
subgraph "驅動與保護"
N["自舉電路"] --> K
O["死區時間控制"] --> J
P["過流保護"] --> L
P --> Q["故障鎖存"]
Q --> R["關斷信號"]
R --> K
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能負載配電管理拓撲詳圖
graph TB
subgraph "雙N溝道負載開關通道"
A["MCU GPIO"] --> B["電平轉換器"]
B --> C["VBC6N2022 柵極1"]
B --> D["VBC6N2022 柵極2"]
E["配電匯流排電壓"] --> F["VBC6N2022 漏極1"]
E --> G["VBC6N2022 漏極2"]
F --> H["VBC6N2022 源極1"]
G --> I["VBC6N2022 源極2"]
H --> J["負載1: GNSS模組"]
I --> K["負載2: RF模組"]
J --> L["信號地"]
K --> L
end
subgraph "多通道智能管理"
M["主控MCU"] --> N["時序控制邏輯"]
N --> O["通道1: 上電延時"]
N --> P["通道2: 軟啟動控制"]
N --> Q["通道3: 故障隔離"]
N --> R["通道4: 功耗管理"]
O --> C
P --> D
subgraph "狀態監測"
S["電流檢測"] --> T["ADC讀取"]
U["溫度檢測"] --> T
V["電壓監測"] --> T
end
T --> M
end
subgraph "保護功能"
W["過流保護"] --> X["快速比較器"]
Y["過熱保護"] --> Z["溫度閾值"]
AA["反向電流阻斷"] --> H
AA --> I
X --> AB["故障標誌"]
Z --> AB
AB --> AC["自動關斷"]
AC --> C
AC --> D
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D 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.