graph LR
subgraph "全橋逆變級(發射端)"
A["直流輸入15-20V"] --> B["輸入濾波電容"]
B --> C["全橋節點H"]
C --> D["VBQF1310 \n 高邊開關"]
D --> E["諧振網路入口"]
C --> F["VBQF1310 \n 高邊開關"]
F --> G["諧振網路入口"]
H["全橋節點L"] --> I["VBQF1310 \n 低邊開關"]
I --> J[初級地]
H --> K["VBQF1310 \n 低邊開關"]
K --> J
E --> L["LLC諧振腔 \n Lr, Cr"]
G --> L
L --> M["變壓器初級"]
M --> H
end
subgraph "同步整流級(接收端)"
N["變壓器次級"] --> O["整流輸入節點"]
O --> P["VBQF1310 \n 同步整流管"]
P --> Q["輸出濾波電感"]
O --> R["VBQF1310 \n 同步整流管"]
R --> S["輸出濾波電感"]
T["整流返回節點"] --> U["VBQF1310 \n 同步整流管"]
U --> V[輸出地]
T --> W["VBQF1310 \n 同步整流管"]
W --> V
Q --> X["輸出電容"]
S --> X
X --> Y["電池充電輸出"]
end
subgraph "驅動與控制"
Z1["全橋控制器"] --> AA1["柵極驅動器"]
AA1 --> D
AA1 --> F
AA1 --> I
AA1 --> K
Z2["同步整流控制器"] --> AA2["柵極驅動器"]
AA2 --> P
AA2 --> R
AA2 --> U
AA2 --> W
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style P fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能路徑管理拓撲詳圖
graph LR
subgraph "多線圈選擇矩陣"
A["全橋輸出"] --> B["功率分配節點"]
B --> C["VBQF3316G \n 通道1半橋"]
B --> D["VBQF3316G \n 通道2半橋"]
B --> E["VBQF3316G \n 通道3半橋"]
C --> F["線圈陣列1"]
D --> G["線圈陣列2"]
E --> H["線圈陣列3"]
F --> I[地]
G --> I
H --> I
end
subgraph "單通道半橋內部拓撲"
subgraph J["VBQF3316G 內部結構"]
direction TB
K["VIN (12V)"] --> L["上管N-MOS \n Rds(on)=16mΩ"]
M["下管N-MOS \n Rds(on)=40mΩ"] --> N[地]
L --> O["輸出節點"]
M --> O
end
O --> P["線圈驅動輸出"]
Q["高邊驅動"] --> L
R["低邊驅動"] --> M
end
subgraph "控制邏輯"
S["MCU檢測電路"] --> T["位置感測器"]
T --> U["線圈選擇演算法"]
U --> V["驅動控制信號"]
V --> Q
V --> R
W["電流回饋"] --> U
X["溫度回饋"] --> U
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
熱管理與保護拓撲詳圖
graph LR
subgraph "三級散熱系統"
A["一級散熱:主功率MOSFET"]
B["大面積PCB敷銅(2oz)"] --> C["散熱過孔陣列"]
C --> D["內部接地層"]
D --> E["熱擴散區域"]
A --> B
A --> F["VBQF1310 \n DFN8封裝"]
G["二級散熱:集成半橋"]
H["封裝裸露焊盤"] --> I["散熱焊盤設計"]
I --> J["局部敷銅"]
G --> H
G --> K["VBQF3316G \n DFN8-C封裝"]
L["三級散熱:小信號開關"]
M["微封裝自身散熱"] --> N["周圍敷銅"]
L --> M
L --> O["VBK1270 \n SC70-3封裝"]
end
subgraph "熱監控與調節"
P["NTC溫度感測器1"] --> Q["MOSFET襯底"]
P --> R["MCU ADC"]
S["NTC溫度感測器2"] --> T["PCB熱點"]
S --> R
U["溫度保護演算法"] --> V["動態功率調節"]
V --> W["降低充電功率"]
U --> X["風扇控制"]
X --> Y["VBK1270風扇開關"]
Y --> Z["散熱風扇啟停"]
end
subgraph "電氣保護網路"
AA["RC緩衝電路"] --> AB["VBQF1310漏極"]
AC["TVS保護"] --> AD["柵極驅動晶片"]
AE["自舉電路保護"] --> AF["VBQF3316G高邊"]
AG["電流檢測電阻"] --> AH["比較器"]
AH --> AI["硬體過流保護"]
AI --> AJ["關斷信號"]
AJ --> AB
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style O fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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