graph LR
subgraph "母線管理與制動回路"
A["直流輸入 \n 48/72VDC"] --> B["π型濾波器 \n L1 C1 L2"]
B --> C["母線電容組 \n 低ESR電解+薄膜"]
C --> D["穩定直流母線"]
D --> E["三相橋輸入"]
subgraph "制動能量處理"
F["VBM2102MA \n P溝道MOSFET"]
G["制動電阻陣列"]
H["能量泄放控制"]
I["TVS/壓敏保護"]
end
D --> F
F --> G
G --> J["地"]
H --> F
I --> C
K["電壓檢測"] --> L["過壓比較器"]
L --> H
end
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
三相橋電機驅動拓撲詳圖
graph TB
subgraph "U相橋臂"
A["直流母線+"] --> B["VBE1806上管"]
B --> C["U相輸出"]
C --> D["VBE1806下管"]
D --> E["功率地"]
F["U相驅動器"] --> B
F --> D
end
subgraph "V相橋臂"
G["直流母線+"] --> H["VBE1806上管"]
H --> I["V相輸出"]
I --> J["VBE1806下管"]
J --> K["功率地"]
L["V相驅動器"] --> H
L --> J
end
subgraph "W相橋臂"
M["直流母線+"] --> N["VBE1806上管"]
N --> O["W相輸出"]
O --> P["VBE1806下管"]
P --> Q["功率地"]
R["W相驅動器"] --> N
R --> P
end
subgraph "保護與監測"
S["RC緩衝網路"] --> C
S --> I
S --> O
T["電流採樣 \n 隔離放大器"] --> C
T --> I
T --> O
U["死區控制"] --> F
U --> L
U --> R
end
C --> V["伺服電機 \n U相"]
I --> W["伺服電機 \n V相"]
O --> X["伺服電機 \n W相"]
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能電源管理拓撲詳圖
graph LR
subgraph "智能配電管理"
A["12V輔助電源"] --> B["分配匯流排"]
subgraph "VBA1210開關陣列"
C["通道1: VBA1210 \n 編碼器供電"]
D["通道2: VBA1210 \n 感測器供電"]
E["通道3: VBA1210 \n 通信供電"]
F["通道4: VBA1210 \n 邏輯供電"]
end
B --> C
B --> D
B --> E
B --> F
C --> G["編碼器電路 \n +5V"]
D --> H["霍爾/溫度感測器 \n +5V"]
E --> I["EtherCAT PHY \n +3.3V"]
F --> J["DSP/MCU核心 \n +1.2V/+3.3V"]
subgraph "監控與保護"
K["負載電流監測"]
L["短路保護"]
M["熱關斷"]
end
C --> K
D --> K
E --> K
F --> K
K --> L
L --> N["故障指示"]
M --> C
M --> D
M --> E
M --> F
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
熱管理與EMC拓撲詳圖
graph TB
subgraph "三級散熱系統"
A["一級散熱: 主動冷卻"] --> B["VBE1806三相橋 \n 金屬基板貼合"]
C["二級散熱: 被動冷卻"] --> D["VBM2102MA制動管 \n 散熱片+敷銅"]
E["三級散熱: 自然冷卻"] --> F["VBA1210/控制IC \n PCB內部導熱"]
G["溫度監控網路"] --> H["NTC感測器陣列"]
H --> I["MCU溫度管理"]
I --> J["風扇PWM控制"]
I --> K["降頻保護"]
J --> L["散熱風扇"]
end
subgraph "EMC設計佈局"
M["緊湊對稱佈局"] --> N["功率環路<1.5cm²"]
O["遮罩與濾波"] --> P["電機線遮罩雙絞"]
O --> Q["360度端接"]
R["緩衝吸收網路"] --> S["RC緩衝每相"]
R --> T["柵極磁珠退耦"]
U["機箱遮罩"] --> V["全金屬外殼"]
U --> W["EMI彈片接縫"]
end
subgraph "可靠性增強"
X["電氣應力保護"] --> Y["TVS/壓敏陣列"]
X --> Z["有源米勒箝位"]
AA["故障診斷"] --> AB["硬體過流保護<1μs"]
AA --> AC["線上Rds(on)監測"]
AA --> AD["預故障預警"]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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