graph LR
subgraph "半橋驅動電路"
A["DRV8701 \n 半橋驅動器"] --> B["柵極驅動信號"]
B --> C["VB9220 \n 高側N-MOS"]
B --> D["VB9220 \n 低側N-MOS"]
E["死區時間控制"] --> A
end
subgraph "電機控制回路"
F["PWM信號 \n (微秒級控制)"] --> A
C --> G["電機相線U"]
D --> H["電機相線V"]
G --> I["無刷直流電機"]
H --> I
I --> J["霍爾感測器"]
J --> K["位置回饋"]
K --> L["主控MCU"]
end
subgraph "保護電路"
M["電流採樣電阻"] --> N["過流比較器"]
N --> O["故障鎖存"]
O --> P["關斷信號"]
P --> A
Q["磁環抑制"] --> G
Q --> H
R["柵極TVS \n SMAJ5.0A"] --> C
R --> D
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
精密感測器供電拓撲詳圖
graph TB
subgraph "低雜訊電源開關"
A["MCU GPIO"] --> B["柵極控制電路"]
B --> C["VBR9N1219 \n N-MOSFET"]
D["12V電源輸入"] --> E["輸入濾波"]
E --> C
C --> F["軟開關網路"]
end
subgraph "π型濾波網路"
F --> G["電感L1"]
G --> H["電容C1"]
H --> I["電容C2"]
end
subgraph "感測器供電分配"
I --> J["力回饋感測器 \n (高精度ADC)"]
I --> K["位置編碼器 \n ±0.1°精度"]
I --> L["溫度感測器 \n NTC/PTC"]
end
subgraph "雜訊抑制措施"
M["柵極串聯電阻 \n 100Ω"] --> C
N["柵極對地電容 \n 10nF"] --> C
O["開關節點電容 \n 100pF"] --> F
P["參考地隔離"] --> J
P --> K
P --> L
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
安全隔離與急停控制拓撲詳圖
graph LR
subgraph "高側P-MOS驅動"
A["安全MCU GPIO"] --> B["NPN電平轉換"]
B --> C["VBC7P2216 \n P-MOSFET"]
D["24V電源匯流排"] --> E["電源輸入"]
E --> C
C --> F["負載輸出"]
end
subgraph "安全隔離回路"
F --> G["安全繼電器線圈"]
F --> H["隔離電源使能"]
G --> I["主功率切斷"]
H --> J["輔助系統斷電"]
end
subgraph "急停控制回路"
K["緊急停止按鈕"] --> L["硬體互鎖"]
L --> M["VBC7P2216 \n P-MOSFET"]
N["系統電源"] --> M
M --> O["所有負載斷電"]
end
subgraph "保護電路"
P["柵極上拉電阻 \n 100kΩ"] --> C
Q["RC濾波網路"] --> B
R["續流二極體"] --> G
S["TVS保護 \n SMBJ15A"] --> F
T["電流監測回饋"] --> A
end
subgraph "狀態回饋"
U["負載電壓監測"] --> V["安全MCU ADC"]
W["開關狀態回饋"] --> X["數字輸入隔離"]
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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