graph LR
subgraph "大扭矩電機驅動半橋"
A["24V主電源"] --> B["π型濾波器"]
B --> C["電機驅動器電源"]
C --> D["半橋驅動器"]
D --> E["柵極驅動電路"]
E --> F["VBL2406 \n 上橋臂"]
E --> G["VBL2406 \n 下橋臂"]
F --> H["電機輸出節點"]
G --> I["電源地"]
H --> J["直流電機 \n 80A峰值"]
K["PWM控制信號"] --> D
L["電流檢測"] --> M["運放調理"]
M --> N["MCU ADC"]
J --> L
end
subgraph "靜音控制機制"
O["微步進演算法"] --> P["電流環控制"]
P --> Q["平滑電流斜坡"]
Q --> R["低雜訊運行"]
S["低Rds(on) 4.1mΩ"] --> T["低導通損耗"]
T --> U["減少熱應力"]
U --> V["降低機械微響"]
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能電源管理拓撲詳圖
graph TB
subgraph "多路智能電源開關"
A["24V主匯流排"] --> B["電源分配網路"]
B --> C["VBQA1101N \n 按摩模組開關"]
B --> D["VBQA1101N \n 閱讀燈開關"]
B --> E["VBQA1101N \n 氣候控制開關"]
B --> F["VBQA1101N \n 感測器開關"]
C --> G["按摩電機陣列"]
D --> H["LED照明電路"]
E --> I["加熱/通風模組"]
F --> J["感測器網路"]
end
subgraph "負載管理邏輯"
K["MCU控制邏輯"] --> L["睡眠模式"]
K --> M["活動模式"]
K --> N["節能模式"]
L --> O["僅核心供電"]
M --> P["全功能供電"]
N --> Q["最低功耗"]
O --> F
P --> C
P --> D
P --> E
P --> F
Q --> F
end
subgraph "PCB熱管理"
R["DFN8封裝"] --> S["底部散熱焊盤"]
S --> T["PCB敷銅層"]
T --> U["散熱過孔陣列"]
U --> V["背面銅皮"]
W["2oz厚銅箔"] --> T
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
控制與保護拓撲詳圖
graph LR
subgraph "精密負載開關控制"
A["MCU GPIO"] --> B["電平轉換"]
B --> C["VBK1270柵極"]
subgraph D["VBK1270負載開關"]
direction LR
IN[輸入]
GATE[柵極]
SOURCE[源極]
DRAIN[漏極]
end
C --> GATE
E["3.3V/5V電源"] --> IN
SOURCE --> F["負載電路"]
F --> G[地]
H["電流檢測"] --> I["故障判斷"]
I --> J["快速關斷"]
J --> C
end
subgraph "系統保護網路"
K["TVS陣列"] --> L["電機驅動器"]
M["緩衝電路"] --> N["開關節點"]
O["過流檢測"] --> P["比較器"]
P --> Q["故障鎖存"]
R["溫度感測器"] --> S["熱保護"]
Q --> T["全局關斷"]
S --> T
T --> U["所有開關管"]
end
subgraph "EMC設計"
V["π型濾波器"] --> W["電源入口"]
X["遮罩雙絞線"] --> Y["電機連接"]
Z["磁環"] --> Y
AA["LC濾波"] --> BB["敏感電路"]
CC["單點接地"] --> DD["模擬地"]
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style U fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
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