graph LR
subgraph "雙向DC-AC變換器(並網/離網)"
A["三相電網輸入/輸出 \n 380VAC/50Hz"] --> B["LCL濾波器"]
B --> C["三相全橋逆變器"]
subgraph C ["功率橋臂"]
direction LR
Q1["VBP165R70SFD \n 上管"]
Q2["VBP165R70SFD \n 下管"]
Q3["VBP165R70SFD \n 上管"]
Q4["VBP165R70SFD \n 下管"]
Q5["VBP165R70SFD \n 上管"]
Q6["VBP165R70SFD \n 下管"]
end
C --> D["隔離變壓器"]
D --> E["電網同步控制"]
end
subgraph "雙向DC-DC變換器(電池側)"
F["高壓直流母線 \n 750-800VDC"] --> G["隔離型DC-DC"]
subgraph H ["LLC諧振半橋"]
direction LR
Q7["VBP165R70SFD \n 上管"]
Q8["VBP165R70SFD \n 下管"]
end
G --> H
H --> I["高頻變壓器"]
I --> J["同步整流橋"]
subgraph J ["同步整流MOSFET"]
direction LR
Q9["VBGQE11506 \n 150V/100A"]
Q10["VBGQE11506 \n 150V/100A"]
end
J --> K["輸出濾波"]
K --> L["電池直流母線 \n 200-500VDC"]
end
subgraph "驅動與保護電路"
M["DSP控制器"] --> N["隔離柵極驅動器 \n Si827x/UCC5350"]
N --> Q1
N --> Q2
N --> Q7
N --> Q8
O["電壓電流採樣"] --> M
P["過流保護電路"] --> N
Q["溫度感測器"] --> M
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q7 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q9 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
場景2: BMS主動均衡與保護詳細拓撲
graph TB
subgraph "電池簇架構(20串鋰電)"
A["電池模組1 \n 3.2Vx20=64V"] --> B["電池模組2 \n 3.2Vx20=64V"]
B --> C["電池模組N \n ..."]
C --> D["電池簇總電壓 \n 800VDC(標稱)"]
end
subgraph "高壓側主動均衡電路"
E["均衡控制器AFE"] --> F["隔離通信"]
subgraph G ["均衡開關矩陣"]
direction LR
SW1["VBM112MR04 \n 1200V/4A"]
SW2["VBM112MR04 \n 1200V/4A"]
SW3["VBM112MR04 \n 1200V/4A"]
SW4["VBM112MR04 \n 1200V/4A"]
end
F --> G
G --> H["均衡變壓器/電感"]
H --> I["能量轉移匯流排"]
I --> A
I --> B
I --> C
end
subgraph "預充放電控制回路"
J["預充控制邏輯"] --> K["預充繼電器驅動"]
subgraph L ["預充MOSFET開關"]
direction LR
Q_PRE["VBM112MR04 \n 1200V/4A"]
R_PRE["預充電阻"]
end
K --> Q_PRE
Q_PRE --> R_PRE
R_PRE --> M["主接觸器"]
M --> D
end
subgraph "保護與監控"
N["電壓採樣電路"] --> O["MCU處理器"]
P["溫度感測器"] --> O
Q["電流霍爾感測器"] --> O
O --> R["故障保護邏輯"]
R --> S["緊急關斷信號"]
S --> G
S --> Q_PRE
S --> M
end
style SW1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_PRE fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
場景3: 輔助電源與繼電器驅動詳細拓撲
graph LR
subgraph "高效率輔助電源模組"
A["高壓輸入 \n 800VDC"] --> B["反激/LLC變換器"]
subgraph C ["初級側開關"]
direction LR
Q_PRI["VBP165R70SFD \n 650V/70A"]
end
subgraph D ["次級同步整流"]
direction LR
Q_SR["VBGQE11506 \n 150V/100A \n DFN8x8封裝"]
end
B --> C
C --> E["高頻變壓器"]
E --> D
D --> F["輸出濾波"]
F --> G["低壓輸出 \n 12V/24V"]
end
subgraph "直流接觸器驅動電路"
H["控制邏輯MCU"] --> I["驅動緩衝電路"]
subgraph J ["接觸器驅動開關"]
direction LR
Q_DRV1["VBGQE11506 \n 150V/100A"]
Q_DRV2["VBGQE11506 \n 150V/100A"]
end
I --> Q_DRV1
I --> Q_DRV2
Q_DRV1 --> K["主正接觸器"]
Q_DRV2 --> L["主負接觸器"]
K --> M["電池正極"]
L --> N["電池負極"]
end
subgraph "散熱設計與PCB佈局"
O["TO-247封裝"] --> P["定制散熱器 \n 導熱矽脂"]
Q["TO-220封裝"] --> R["小型散熱片 \n PCB敷銅"]
S["DFN8x8封裝"] --> T["PCB散熱設計 \n >300mm²銅箔"]
U["多排散熱過孔"] --> T
style O fill:#e8f5e8,stroke:#4caf50,stroke-width:1px
style Q fill:#e3f2fd,stroke:#2196f3,stroke-width:1px
style S fill:#fff3e0,stroke:#ff9800,stroke-width:1px
end
subgraph "EMC與保護電路"
V["RC吸收電路"] --> Q_PRI
W["TVS保護陣列"] --> Q_DRV1
X["TVS保護陣列"] --> Q_DRV2
Y["退飽和檢測"] --> Q_PRI
Z["快速霍爾感測器"] --> H
end
style Q_PRI fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_SR fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Q_DRV1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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