graph LR
subgraph "高壓預充/泄放電路"
A[汽車電池輸入] --> B[輸入濾波器]
B --> C[TVS保護]
C --> D[預充電阻]
D --> E[預充開關節點]
E --> F["VBMB165R32SE \n 650V/32A"]
F --> G[高壓直流母線]
G --> H[儲能電容組]
I[預充控制器] --> J[隔離柵極驅動器]
J --> F
subgraph "米勒效應抑制"
K[有源米勒鉗位] --> F
L[柵極電阻網路] --> F
end
end
subgraph "電壓瞬態保護"
M[負載突降模擬] --> N[電壓尖峰抑制]
N --> O[過壓保護電路]
O --> P[保護觸發信號]
P --> Q[驅動器關斷]
Q --> F
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
高側雙通道負載開關拓撲詳圖
graph TB
subgraph "VBA4309 雙通道高側開關"
A[高壓直流母線] --> B["VBA4309 通道1 \n P-MOS -30V/-13.5A"]
A --> C["VBA4309 通道2 \n P-MOS -30V/-13.5A"]
B --> D[電機繞組A]
C --> E[電機繞組B]
D --> F[電流檢測電阻1]
E --> G[電流檢測電阻2]
F --> H[系統地]
G --> H
subgraph "柵極驅動電路"
I[電荷泵驅動器] --> J[電平轉換]
J --> K[柵極驅動輸出1]
J --> L[柵極驅動輸出2]
K --> B
L --> C
end
subgraph "診斷與保護"
M[電流檢測放大器] --> N[過流比較器]
O[溫度感測器] --> P[過溫比較器]
N --> Q[故障邏輯]
P --> Q
Q --> R[故障報告]
R --> S[CAN匯流排]
end
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
低側驅動與輔助控制拓撲詳圖
graph LR
subgraph "VBA3102M 雙通道低側驅動"
A[電機驅動節點] --> B["VBA3102M 通道1 \n N-MOS 100V/3A"]
C[感測器電源節點] --> D["VBA3102M 通道2 \n N-MOS 100V/3A"]
B --> E[系統地]
D --> E
subgraph "MCU直接驅動介面"
F[MCU GPIO 3.3V/5V] --> G[柵極電阻]
F --> H[柵極電阻]
G --> B
H --> D
I[下拉電阻] --> B
J[下拉電阻] --> D
end
subgraph "感性負載保護"
K[續流二極體] --> B
L[RC吸收電路] --> B
M[電壓鉗位] --> B
end
subgraph "輔助負載控制"
N[繼電器線圈] --> D
O[狀態指示燈] --> D
P[電磁閥驅動] --> D
end
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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