graph LR
subgraph "三相伺服電機驅動器"
A["48V直流輸入"] --> B["直流母線電容"]
B --> C["三相逆變橋"]
subgraph "下橋臂MOSFET陣列"
Q1["VBGQF1208N \n U相下橋"]
Q2["VBGQF1208N \n V相下橋"]
Q3["VBGQF1208N \n W相下橋"]
end
C --> Q1
C --> Q2
C --> Q3
Q1 --> D["U相輸出"]
Q2 --> E["V相輸出"]
Q3 --> F["W相輸出"]
D --> G["伺服電機 \n 三相繞組"]
E --> G
F --> G
H["伺服控制器"] --> I["柵極驅動器 \n 隔離型"]
I --> Q1
I --> Q2
I --> Q3
J["電流檢測"] --> H
K["編碼器回饋"] --> H
L["位置指令"] --> H
subgraph "保護電路"
M["RC吸收網路"]
N["TVS過壓保護"]
O["溫度感測器"]
end
M --> Q1
N --> I
O --> Q1
O --> H
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
低壓輔助電源管理拓撲詳圖
graph TB
subgraph "同步整流降壓轉換器"
A["24V輸入"] --> B["輸入電容"]
B --> C["降壓控制器"]
subgraph "功率開關"
Q_HIGH["高壓側MOSFET"]
Q_LOW["VB1210 \n 低壓側同步整流"]
end
C --> D["驅動器"]
D --> Q_HIGH
D --> Q_LOW
Q_HIGH --> E["電感節點"]
Q_LOW --> E
E --> F["輸出電感"]
F --> G["輸出電容"]
G --> H["5V輸出"]
I["回饋網路"] --> C
end
subgraph "智能負載開關陣列"
J["12V輔助電源"] --> K1["VB1210 \n 通道1"]
J --> K2["VB1210 \n 通道2"]
L["5V輔助電源"] --> K3["VB1210 \n 通道3"]
L --> K4["VB1210 \n 通道4"]
M["MCU GPIO"] --> N["電平轉換/驅動"]
N --> K1
N --> K2
N --> K3
N --> K4
K1 --> O["力覺感測器 \n 快速喚醒"]
K2 --> P["光學定位模組"]
K3 --> Q["控制板核心電源"]
K4 --> R["照明LED陣列"]
subgraph "保護功能"
S["過流檢測"]
T["熱關斷"]
U["軟啟動控制"]
end
S --> K1
T --> K1
U --> N
end
style Q_LOW fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style K1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
安全隔離與信號切換拓撲詳圖
graph LR
subgraph "安全互鎖控制回路"
A["安全控制器"] --> B["邏輯電平"]
B --> C["VB5222 N通道"]
B --> D["VB5222 P通道"]
C --> E["負載開關1"]
D --> F["負載開關2"]
E --> G["機械限位開關"]
F --> H["安全指示燈"]
I["故障回饋"] --> A
end
subgraph "緊急停止系統"
J["急停按鈕"] --> K["去抖動電路"]
K --> L["邏輯處理器"]
L --> M["VB5222雙路驅動"]
M --> N["主電源繼電器"]
M --> O["伺服使能信號"]
N --> P["系統斷電"]
O --> Q["電機失能"]
end
subgraph "信號調理與隔離"
R["MCU 3.3V GPIO"] --> S["電平轉換電路"]
S --> T["VB5222 N+P對"]
T --> U["外部設備介面 \n 5V/12V相容"]
V["外部信號輸入"] --> W["信號隔離"]
W --> X["VB5222緩衝器"]
X --> Y["MCU ADC輸入"]
subgraph "保護設計"
Z1["ESD保護二極體"]
Z2["濾波電容"]
Z3["下拉電阻"]
end
Z1 --> T
Z2 --> T
Z3 --> T
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style T fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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