graph LR
subgraph "Buck-Boost MPPT轉換電路"
A["太陽能板輸入 \n 18-45VDC"] --> B["輸入電容"]
B --> C["VBQF125N5K \n 主開關"]
C --> D["升降壓電感"]
D --> E["輸出節點"]
E --> F["續流二極體 \n (或同步開關)"]
F --> G["輸出電容"]
G --> H["電池端"]
I["MPPT控制器"] --> J["柵極驅動"]
J --> C
K["電壓電流採樣"] --> I
L["PWM控制"] --> I
end
subgraph "保護與緩衝電路"
M["RC吸收網路"] --> C
N["TVS保護"] --> B
O["反灌防止"] --> A
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
電池保護與路徑管理拓撲詳圖
graph TB
subgraph "充電/放電雙路徑管理"
A["MPPT輸出"] --> B["充電控制節點"]
B --> C["VBI1322 \n 充電開關"]
C --> D["蓄電池正極"]
D --> E["放電控制節點"]
E --> F["VBI1322 \n 放電開關"]
F --> G["負載輸出"]
H["電池管理IC"] --> I["充電控制信號"]
H --> J["放電控制信號"]
I --> C
J --> F
end
subgraph "保護與檢測電路"
K["過壓檢測"] --> H
L["欠壓檢測"] --> H
M["過流檢測"] --> H
N["溫度檢測"] --> H
O["均衡電路"] --> D
end
subgraph "直驅介面"
P["MCU GPIO"] --> Q["電平轉換"]
Q --> C
Q --> F
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
LED恒流驅動與調光拓撲詳圖
graph LR
subgraph "同步Buck LED驅動"
A["電池輸入"] --> B["輸入濾波"]
B --> C["VBQF3310G \n 高側開關"]
C --> D["開關節點"]
D --> E["續流電感"]
E --> F["輸出電容"]
F --> G["LED+"]
H["VBQF3310G \n 低側開關"] --> D
I["LED驅動IC"] --> J["高側驅動"]
I --> K["低側驅動"]
J --> C
K --> H
end
subgraph "PWM調光控制"
L["MCU PWM輸出"] --> M["調光介面"]
M --> I
N["電流採樣"] --> O["誤差放大器"]
O --> I
end
subgraph "熱管理"
P["金屬基板"] --> C
P --> H
Q["溫度感測器"] --> R["過熱保護"]
R --> I
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
熱管理與系統保護拓撲詳圖
graph TB
subgraph "三級熱管理設計"
A["一級散熱: LED驅動"] --> B["金屬基板+散熱器"]
B --> C["VBQF3310G"]
D["二級散熱: MPPT電路"] --> E["PCB敷銅+過孔陣列"]
E --> F["VBQF125N5K"]
G["三級散熱: 電池管理"] --> H["SOT89封裝+敷銅"]
H --> I["VBI1322"]
end
subgraph "溫度監控網路"
J["NTC熱敏電阻1"] --> K["LED驅動MOSFET"]
L["NTC熱敏電阻2"] --> M["MPPT MOSFET"]
N["環境溫度感測器"] --> O["MCU溫度管理"]
O --> P["風扇控制邏輯"]
O --> Q["功率降額控制"]
end
subgraph "電氣保護網路"
R["輸入TVS陣列"] --> S["太陽能輸入端"]
T["RC緩衝電路"] --> F
U["輸出TVS"] --> V["LED輸出端"]
W["電流檢測比較器"] --> X["快速關斷信號"]
X --> C
X --> F
X --> I
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style I fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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