graph TB
subgraph "高壓直流母線配電"
A[高壓電池組] --> B[預充電電路]
B --> C[主接觸器]
C --> D[高壓直流母線]
D --> E["VBPB18R15S \n 母線分配開關"]
E --> F[電調供電支路]
D --> G["VBPB18R15S \n 母線分配開關"]
G --> H[輔助電源支路]
I[母線電壓檢測] --> J[過壓保護電路]
J --> K[關斷信號]
K --> E
K --> G
end
subgraph "升壓DC-DC轉換器"
L[電池輸入] --> M[升壓電感]
M --> N[升壓開關節點]
N --> O["VBPB18R15S \n 升壓開關管"]
O --> P[輸出電容]
P --> D
Q[升壓控制器] --> R[隔離柵極驅動器]
R --> O
S[輸出電壓回饋] --> Q
end
subgraph "保護與緩衝"
T[RC緩衝電路] --> O
U[TVS陣列] --> D
V[電流檢測] --> W[電流保護]
W --> K
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style O fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
電調逆變橋拓撲詳圖
graph LR
subgraph "三相逆變橋功率級"
A[電調輸入電容] --> B[三相橋臂]
subgraph B ["三相逆變橋"]
direction TB
subgraph "U相橋臂"
Q_UH["VBGQA1802 \n 高側開關"]
Q_UL["VBGQA1802 \n 低側開關"]
end
subgraph "V相橋臂"
Q_VH["VBGQA1802 \n 高側開關"]
Q_VL["VBGQA1802 \n 低側開關"]
end
subgraph "W相橋臂"
Q_WH["VBGQA1802 \n 高側開關"]
Q_WL["VBGQA1802 \n 低側開關"]
end
end
Q_UH --> C[U相輸出]
Q_UL --> D[功率地]
Q_VH --> E[V相輸出]
Q_VL --> D
Q_WH --> F[W相輸出]
Q_WL --> D
C --> G[電機U相]
E --> H[電機V相]
F --> I[電機W相]
end
subgraph "柵極驅動與保護"
J[電機控制器] --> K[三相預驅動器]
K --> L_U[U相驅動器]
K --> L_V[V相驅動器]
K --> L_W[W相驅動器]
L_U --> Q_UH
L_U --> Q_UL
L_V --> Q_VH
L_V --> Q_VL
L_W --> Q_WH
L_W --> Q_WL
M[電流檢測] --> N[過流保護]
N --> O[故障信號]
O --> K
P[溫度感測器] --> Q[過熱保護]
Q --> O
end
subgraph "EMC與緩衝設計"
R[門極電阻] --> Q_UH
S[RC緩衝電路] --> C
T[最小功率回路設計] --> B
end
style Q_UH fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
負載點電源與冗餘切換拓撲詳圖
graph TB
subgraph "同步降壓轉換器"
A[12V輸入] --> B[降壓電感]
B --> C[開關節點]
C --> D["VBBC3210 \n 同步整流管"]
D --> E[輸出電容]
E --> F[5V輸出]
G[降壓控制器] --> H[同步信號]
H --> D
subgraph "主開關管"
I["VBBC3210 \n 主開關管"]
end
A --> I
I --> C
J[回饋網路] --> G
end
subgraph "冗餘電源OR-ing切換"
K[主電源12V] --> L["VBBC3210 \n 通道1"]
M[備用電源12V] --> N["VBBC3210 \n 通道2"]
L --> O[冗餘輸出匯流排]
N --> O
P[理想二極體控制器] --> Q[控制邏輯]
Q --> L
Q --> N
R[電源狀態檢測] --> S[自動切換]
S --> Q
end
subgraph "負載保護與監控"
O --> T["VBBC3210 \n 負載開關"]
T --> U[關鍵負載]
V[電流檢測] --> W[過流保護]
W --> X[關斷信號]
X --> T
Y[溫度監控] --> Z[熱保護]
Z --> X
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style T fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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