graph LR
subgraph "大電流放電主回路"
A[動力電池包+] --> B[主正接觸器]
B --> C[電流感測器]
C --> D["VBGL1602 \n 主放電開關"]
D --> E[直流母線電容]
E --> F[電機驅動器]
E --> G[DC-DC變換器]
H[電池包-] --> I[主負接觸器]
I --> J[系統地]
end
subgraph "VBGL1602驅動與保護"
K[控制器PWM] --> L[大電流柵極驅動器]
L --> D
M["2.1mΩ@10V \n 超低Rds(on)"] --> D
N[電流檢測信號] --> O[比較器]
O --> P[故障鎖存]
P --> Q[驅動封鎖]
Q --> L
R[溫度感測器] --> S[熱保護]
S --> Q
end
subgraph "機械加固與散熱"
T[TO-263封裝] --> U[厚銅PCB]
U --> V[鋁基板散熱]
W[防震支架] --> X[加固安裝]
V --> Y[強制風冷]
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
高壓隔離DC-DC拓撲詳圖
graph TB
subgraph "LLC諧振變換器拓撲"
A[低壓輸入48-96V] --> B[全橋/半橋開關]
B --> C[諧振電感Lr]
C --> D[諧振電容Cr]
D --> E[高頻變壓器初級]
E --> F["VBP19R05S \n 主開關管"]
F --> G[初級地]
H[變壓器次級] --> I["VBP19R05S \n 同步整流管"]
I --> J[輸出濾波]
J --> K[高壓輸出400V]
end
subgraph "VBP19R05S特性應用"
L["900V耐壓 \n 充足安全裕度"] --> M[應對浪湧電壓]
N["SJ_Multi-EPI技術 \n 1.5Ω Rds(on)"] --> O[優化導通損耗]
P[TO-247封裝] --> Q[優異導熱性能]
R[5A電流能力] --> S[適配中小功率]
end
subgraph "隔離驅動與保護"
T[PWM控制器] --> U[隔離驅動器]
U --> F
U --> I
V[電壓回饋] --> W[光耦隔離]
W --> T
X[過流保護] --> Y[驅動封鎖]
Y --> U
end
style F fill:#ffebee,stroke:#f44336,stroke-width:2px
style I fill:#ffebee,stroke:#f44336,stroke-width:2px
BMS與配電管理拓撲詳圖
graph LR
subgraph "電池模組主動均衡"
A[電池模組1] --> B["VBGQA1107 \n 均衡開關1"]
C[電池模組2] --> D["VBGQA1107 \n 均衡開關2"]
E[電池模組3] --> F["VBGQA1107 \n 均衡開關3"]
B --> G[均衡變壓器/電容]
D --> G
F --> G
H[BMS控制器] --> I[均衡控制邏輯]
I --> B
I --> D
I --> F
end
subgraph "智能負載配電"
J[12V輔助電源] --> K["VBGQA1107 \n 風扇開關"]
J --> L["VBGQA1107 \n 水泵開關"]
J --> M["VBGQA1107 \n 照明開關"]
J --> N["VBGQA1107 \n 通信開關"]
O[負載控制器] --> K
O --> L
O --> M
O --> N
K --> P[散熱風扇]
L --> Q[冷卻水泵]
M --> R[防爆燈具]
N --> S[通信模組]
end
subgraph "VBGQA1107關鍵特性"
T["DFN8(5x6) \n 超小封裝"] --> U[高密度佈局]
V["100V/75A \n 高功率密度"] --> W[大電流開關能力]
X["7.4mΩ@10V \n 低導通電阻"] --> Y[高效能耗管理]
Z[底部散熱焊盤] --> AA[PCB熱耦合]
end
subgraph "保護電路"
AB[單路電流限制] --> AC[VBGQA1107]
AD[溫度監控] --> AE[熱關斷]
AF[ESD保護] --> AG[柵極保護]
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style K fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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