graph LR
subgraph "雙向DC-DC變換拓撲"
A[光伏輸入200V] --> B[輸入濾波]
B --> C[DC-DC控制器]
C --> D[半橋驅動器]
D --> E["VBQA1606 \n 高壓側"]
D --> F["VBQA1606 \n 低壓側"]
subgraph "諧振變換網路"
G[諧振電感]
H[諧振電容]
I[高頻變壓器]
end
E --> G
F --> H
G --> I
H --> I
I --> J[同步整流]
J --> K[輸出濾波]
K --> L[48V主母線]
M[電池組48V] --> N[反向路徑]
N --> F
end
subgraph "功率器件佈局"
O["VBQA1606×4 \n 並聯配置"]
P[大面積敷銅≥300mm²]
Q[多層PCB內層鋪銅]
R[密集散熱過孔]
S[散熱器連接]
O --> P
P --> Q
Q --> R
R --> S
end
subgraph "驅動與保護"
T["UCC27714驅動器"] --> U[優化柵極佈局]
U --> V[減小寄生電感]
W[過流保護] --> X[硬體關斷]
Y[過壓保護] --> Z[電壓箝位]
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
電池保護與均衡單元拓撲詳圖
graph TB
subgraph "電池保護開關網路"
A["電池組正極"] --> B["主保護開關"]
B --> C["VBQA1410×2 \n 並聯"]
C --> D["負載輸出"]
E["電池組負極"] --> F["放電開關"]
F --> G["VBQA1410×2 \n 並聯"]
G --> H["系統負極"]
I["BMS AFE晶片"] --> J["驅動輸出"]
J --> B
J --> F
end
subgraph "主動均衡拓撲"
subgraph "電池單體"
K["電芯1 \n 3.2V"]
L["電芯2 \n 3.2V"]
M["電芯3 \n 3.2V"]
N["電芯4 \n 3.2V"]
end
subgraph "均衡開關矩陣"
O["VBQA1410 \n 均衡開關1"]
P["VBQA1410 \n 均衡開關2"]
Q["VBQA1410 \n 均衡開關3"]
R["VBQA1410 \n 均衡開關4"]
end
K --> O
L --> P
M --> Q
N --> R
O --> S["均衡匯流排"]
P --> S
Q --> S
R --> S
S --> T["均衡能量轉移"]
T --> U["能量回收"]
end
subgraph "保護電路"
V["RC柵極濾波"] --> W["抗干擾增強"]
X["電流採樣"] --> Y["過流檢測"]
Z["溫度感測器"] --> AA["過溫保護"]
AB["冗餘監控"] --> AC["硬體鎖死"]
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style O fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能配電與負載管理拓撲詳圖
graph LR
subgraph "高壓側負載開關"
A["高壓母線200V"] --> B["輸入濾波"]
B --> C["VBQG1201K \n 開關1"]
C --> D["環境感測器"]
E["VBQG1201K \n 開關2"] --> F["通信模組"]
G["VBQG1201K \n 開關3"] --> H["數據採集器"]
I["VBQG1201K \n 開關4"] --> J["緊急備用"]
end
subgraph "低壓側負載開關"
K["48V主母線"] --> L["DC-DC轉換"]
L --> M["12V輔助匯流排"]
M --> N["VBQG1201K \n 開關5"]
N --> O["顯示單元"]
P["VBQG1201K \n 開關6"] --> Q["本地存儲"]
R["VBQG1201K \n 開關7"] --> S["照明系統"]
T["VBQG1201K \n 開關8"] --> U["加熱器"]
end
subgraph "驅動與隔離"
V["MCU GPIO"] --> W["電平轉換"]
W --> X["光耦隔離"]
X --> Y["高壓側驅動"]
Z["隔離型驅動器"] --> AA["安全隔離"]
end
subgraph "EMC與防護"
AB["鐵氧體磁珠"] --> AC["高頻抑制"]
AD["TVS二極體"] --> AE["浪湧保護"]
AF["壓敏電阻"] --> AG["過壓吸收"]
AH["ESD保護"] --> AI["靜電防護"]
end
subgraph "智能管理"
AJ["功耗監測"] --> AK["負載優先順序"]
AL["定時控制"] --> AM["節能模式"]
AN["故障診斷"] --> AO["自動切換"]
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style N fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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