graph LR
subgraph "電機驅動級"
A["24VDC輸入"] --> B["π型濾波器"]
B --> C["電源去耦電容"]
C --> D["VBQF3307 \n 雙N溝道MOSFET"]
subgraph D ["VBQF3307內部結構"]
direction LR
Q1["N-MOS 1"]
Q2["N-MOS 2"]
end
D --> E["步進電機線圈"]
E --> F["電流採樣電阻"]
F --> G["地"]
H["MCU PWM輸出"] --> I["柵極驅動器"]
I --> D
F --> J["電流檢測放大器"]
J --> K["ADC輸入"]
K --> H
end
subgraph "熱管理與保護"
L["PCB散熱銅箔"] --> D
M["RC緩衝網路"] --> D
N["溫度感測器"] --> H
O["過流比較器"] --> J
O --> P["故障鎖存"]
P --> Q["關斷信號"]
Q --> I
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
模擬信號路徑切換拓撲詳圖
graph TB
subgraph "多路感測器信號切換"
A["CCD/CMOS感測器1"] --> B["VBC8338 \n 通道1"]
A2["CCD/CMOS感測器2"] --> B2["VBC8338 \n 通道2"]
A3["CCD/CMOS感測器3"] --> B3["VBC8338 \n 通道3"]
subgraph B ["VBC8338結構"]
direction TB
S1["信號輸入端"]
S2["信號輸出端"]
CTL["控制端"]
end
subgraph B2 ["VBC8338結構"]
direction TB
S1_2["信號輸入端"]
S2_2["信號輸出端"]
CTL_2["控制端"]
end
subgraph B3 ["VBC8338結構"]
direction TB
S1_3["信號輸入端"]
S2_3["信號輸出端"]
CTL_3["控制端"]
end
B --> C["模擬多路複用器"]
B2 --> C
B3 --> C
C --> D["可編程增益放大器"]
D --> E["高速ADC"]
E --> F["數字信號處理器"]
G["MCU控制邏輯"] --> CTL
G --> CTL_2
G --> CTL_3
end
subgraph "信號完整性設計"
H["完整地平面"] --> I["遮罩走線"]
J["電源去耦"] --> B
J --> B2
J --> B3
K["阻抗匹配網路"] --> C
L["參考電壓源"] --> D
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style B2 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style B3 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能負載管理拓撲詳圖
graph LR
subgraph "多路負載控制通道"
A["MCU GPIO"] --> B["電平轉換器"]
subgraph "VB5460負載開關陣列"
C["VB5460-1: LED控制"]
D["VB5460-2: 風扇控制"]
E["VB5460-3: 感測器供電"]
F["VB5460-4: 通信模組"]
end
B --> C
B --> D
B --> E
B --> F
G["12V/5V電源"] --> C
G --> D
G --> E
G --> F
C --> H["LED陣列"]
D --> I["散熱風扇"]
E --> J["輔助感測器"]
F --> K["無線模組"]
H --> L["地"]
I --> L
J --> L
K --> L
end
subgraph "負載監控與保護"
M["電流檢測"] --> C
M --> D
M --> E
N["過流保護"] --> M
O["開路檢測"] --> H
O --> I
P["溫度監控"] --> I
Q["故障回饋"] --> A
N --> Q
O --> Q
P --> Q
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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