graph TB
subgraph "隔離型DC-DC變換器"
A["高壓直流母線 \n 400-800VDC"] --> B["全橋/LLC初級"]
B --> C["高頻變壓器"]
subgraph "SiC MOSFET全橋"
Q1["VBP112MC30-4L \n 1200V/30A"]
Q2["VBP112MC30-4L \n 1200V/30A"]
Q3["VBP112MC30-4L \n 1200V/30A"]
Q4["VBP112MC30-4L \n 1200V/30A"]
end
B --> Q1
B --> Q2
B --> Q3
B --> Q4
Q1 --> D["初級地"]
Q2 --> D
Q3 --> D
Q4 --> D
C --> E["次級全波整流"]
E --> F["輸出濾波"]
F --> G["中間母線48-96VDC"]
H["SiC專用驅動器"] --> I["隔離驅動變壓器"]
I --> Q1
I --> Q2
I --> Q3
I --> Q4
J["PWM控制器"] --> H
K["電壓/電流回饋"] --> J
end
subgraph "保護與緩衝電路"
L["RCD緩衝網路"] --> Q1
M["RC吸收電路"] --> Q3
N["開爾文源極連接"] --> Q1
O["過流檢測"] --> P["故障鎖存"]
P --> J
end
style Q1 fill:#e8f4f8,stroke:#2196f3,stroke-width:2px
關節電機驅動拓撲詳圖
graph LR
subgraph "三相逆變橋拓撲"
A["48-96V中間母線"] --> B["上橋臂開關節點"]
subgraph "上橋臂MOSFET"
Q_UH["VBGQA1102N \n 100V/30A"]
Q_VH["VBGQA1102N \n 100V/30A"]
Q_WH["VBGQA1102N \n 100V/30A"]
end
B --> Q_UH
B --> Q_VH
B --> Q_WH
Q_UH --> C["U相輸出"]
Q_VH --> D["V相輸出"]
Q_WH --> E["W相輸出"]
subgraph "下橋臂MOSFET"
Q_UL["VBGQA1102N \n 100V/30A"]
Q_VL["VBGQA1102N \n 100V/30A"]
Q_WL["VBGQA1102N \n 100V/30A"]
end
C --> Q_UL
D --> Q_VL
E --> Q_WL
Q_UL --> F["功率地"]
Q_VL --> F
Q_WL --> F
G["三相柵極驅動器"] --> Q_UH
G --> Q_UL
G --> Q_VH
G --> Q_VL
G --> Q_WH
G --> Q_WL
end
subgraph "FOC控制環路"
H["主控MCU"] --> I["Clarke/Park變換"]
I --> J["PI電流調節器"]
J --> K["空間向量PWM"]
K --> G
L["三相電流採樣"] --> M["ADC介面"]
M --> H
N["電機編碼器"] --> O["位置/速度檢測"]
O --> H
end
subgraph "PCB散熱設計"
P["大面積敷銅"] --> Q_UH
P --> Q_UL
R["過孔陣列"] --> S["內部銅層"]
S --> T["金屬結構件"]
end
style Q_UH fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
低壓負載管理拓撲詳圖
graph TB
subgraph "智能負載開關通道"
A["5V/12V低壓匯流排"] --> B["VBC6N2022輸入端"]
subgraph "VBC6N2022雙MOS結構"
direction LR
IN1["柵極控制1"]
IN2["柵極控制2"]
D1["漏極1"]
D2["漏極2"]
S1["共源極輸出"]
end
B --> D1
B --> D2
C["MCU GPIO"] --> D["電平轉換"]
D --> IN1
D --> IN2
S1 --> E["負載1"]
S1 --> F["負載2"]
E --> G["負載地"]
F --> G
end
subgraph "多路開關陣列"
H["感測器管理"] --> I["VBC6N2022 x2"]
J["計算單元管理"] --> K["VBC6N2022 x3"]
L["外設管理"] --> M["VBC6N2022 x2"]
N["通信模組管理"] --> O["VBC6N2022 x1"]
I --> P["6路感測器供電"]
K --> Q["3個AI單元電源"]
M --> R["顯示/音頻/IO"]
O --> S["WiFi/藍牙/CAN"]
end
subgraph "保護功能"
T["軟啟動控制"] --> IN1
U["過流檢測"] --> V["比較器"]
V --> W["關斷信號"]
W --> IN1
X["續流二極體"] --> E
Y["TVS保護"] --> B
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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