graph LR
subgraph "主功率調光通道"
A["直流母線48/60V"] --> B["TVS保護陣列"]
B --> C["低ESR濾波電容"]
C --> D["VBGP1103 \n 主開關MOSFET"]
D --> E["電流採樣電阻 \n 精密檢測"]
E --> F["輸出濾波電感"]
F --> G["輸出電容"]
G --> H["LED矩陣/負載"]
I["PWM發生器"] --> J["柵極驅動器"]
J --> D
K["電壓/電流回饋"] --> L["PID控制器"]
L --> I
end
subgraph "並聯均流設計"
M["大功率應用"] --> N["多路VBGP1103並聯"]
N --> O["均流電阻網路"]
O --> P["共用散熱基板"]
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
輔助電源與邏輯控制拓撲詳圖
graph TB
subgraph "集成電源管理"
A["直流輸入"] --> B["輸入濾波"]
B --> C["Buck控制器"]
C --> D["VBE5638 \n N+P集成MOSFET"]
D --> E["輸出電感"]
E --> F["輸出電容"]
F --> G["12V輔助電源"]
G --> H["5V LDO"]
H --> I["3.3V MCU電源"]
end
subgraph "多路負載管理"
J["MCU GPIO"] --> K["電平轉換"]
K --> L["VBE5638控制輸入"]
subgraph M["VBE5638雙通道"]
direction LR
N_CH["N溝道33mΩ"]
P_CH["P溝道60mΩ"]
end
VCC_12V --> N_CH
VCC_12V --> P_CH
N_CH --> O["負載1:通信模組"]
P_CH --> P["負載2:顯示單元"]
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
高邊開關與通道管理拓撲詳圖
graph TB
subgraph "多通道高邊開關陣列"
A["主功率母線"] --> B["VBPB2625通道1"]
A --> C["VBPB2625通道2"]
A --> D["VBPB2625通道3"]
A --> E["VBPB2625通道N"]
subgraph "智能控制與診斷"
F["MCU控制信號"] --> G["高邊驅動器"]
G --> B
G --> C
G --> D
G --> E
H["電流檢測電路"] --> I["高速比較器"]
I --> J["故障鎖存器"]
J --> K["快速關斷"]
K --> G
end
B --> L["負載1:LED燈串"]
C --> M["負載2:鹵素燈"]
D --> N["負載3:電機驅動"]
E --> O["負載N:其他"]
end
subgraph "保護與隔離"
P["-60V耐壓屏障"] --> Q["安全地隔離"]
R["短路保護"] --> S["<10μs回應"]
T["開路診斷"] --> U["狀態上報"]
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
熱管理與保護電路拓撲詳圖
graph LR
subgraph "三級散熱系統"
A["一級:銅基板+熱管"] --> B["VBGP1103主MOSFET"]
C["二級:梳狀散熱器"] --> D["VBPB2625陣列"]
E["三級:PCB敷銅+過孔"] --> F["VBE5638控制IC"]
G["溫度感測器"] --> H["MCU ADC"]
H --> I["動態PWM控制"]
I --> J["風扇速度調節"]
I --> K["液冷泵速控制"]
end
subgraph "電磁相容設計"
L["共模扼流圈"] --> M["π型濾波器"]
N["RC緩衝網路"] --> O["開關節點"]
P["遮罩雙絞線"] --> Q["PWM信號傳輸"]
R["星型單點接地"] --> S["地平面分割"]
end
subgraph "可靠性增強"
T["RCD緩衝電路"] --> U["開關管保護"]
V["肖特基續流二極體"] --> W["感性負載"]
X["過流保護電路"] --> Y["<2μs回應"]
Z["過溫保護"] --> AA["NTC監測"]
AB["電壓監測"] --> AC["欠壓/過壓保護"]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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