graph LR
subgraph "VB3102M雙路控制通道"
A[機器人電源匯流排] --> B["VB3102M \n 通道1"]
A --> C["VB3102M \n 通道2"]
subgraph B ["通道1: 扭矩感測器供電"]
direction TB
IN1[輸入]
GATE1[柵極]
OUT1[輸出]
end
subgraph C ["通道2: 溫度模組使能"]
direction TB
IN2[輸入]
GATE2[柵極]
OUT2[輸出]
end
D[MCU GPIO1] --> E[電平轉換]
E --> GATE1
F[MCU GPIO2] --> G[電平轉換]
G --> GATE2
OUT1 --> H[LC濾波器]
H --> I[關節扭矩感測器 \n 5V/100mA]
OUT2 --> J[溫度監測模組 \n 電源使能]
K[電流採樣電阻] --> L[MCU ADC]
OUT1 --> K
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
關節制動控制與安全電路拓撲詳圖
graph TB
subgraph "緊急制動控制回路"
A[機器人電源匯流排] --> B["VBGQF1405 \n 40V/60A/DFN8"]
C[MCU安全輸出] --> D[高速柵極驅動器]
D --> E[柵極信號]
E --> B
subgraph B ["VBGQF1405 SGT MOSFET"]
direction LR
DRAIN[漏極]
GATE[柵極]
SOURCE[源極]
end
DRAIN --> F[關節電機繞組+端]
SOURCE --> G[關節電機繞組-端]
F --> H[電機繞組]
G --> H
H --> I[RC緩衝網路]
I --> J[地]
end
subgraph "安全狀態監測"
K[繞組電壓檢測] --> L[電壓比較器]
L --> M[故障指示]
M --> N[MCU中斷]
O[結溫監測] --> P[溫度感測器]
P --> Q[熱管理MCU]
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
三級熱管理與可靠性拓撲詳圖
graph LR
subgraph "三級熱管理系統"
A["一級: 高功耗制動MOSFET"] --> B["2oz銅箔+散熱焊盤"]
B --> C["散熱過孔陣列"]
C --> D["內部接地層熱擴散"]
E["二級: 多路感測器MOSFET"] --> F["SOT23-6封裝散熱"]
F --> G["PCB敷銅散熱區"]
H["三級: 待機開關MOSFET"] --> I["SC70-3封裝"]
I --> J["自然對流散熱"]
end
subgraph "可靠性保護網路"
K["RCD緩衝網路"] --> L["制動回路開關管"]
M["RC吸收電路"] --> N["感測器供電開關"]
O["TVS保護"] --> P["柵極驅動晶片"]
Q["電流檢測比較器"] --> R["過流保護鎖存"]
R --> S["系統關斷信號"]
T["電壓監測電路"] --> U["開路/短路診斷"]
end
subgraph "診斷與預測"
V["導通電阻監測"] --> W["連接器老化分析"]
X["開關瞬態分析"] --> Y["制動回路健康評估"]
Z["工作時間統計"] --> AA["預測性維護演算法"]
end
style A fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style H fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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