graph LR
subgraph "H橋功率驅動電路"
A["直流電源 \n 24V/48V"] --> B["輸入濾波電容"]
B --> C["VBQF2305下橋臂1 \n P-MOSFET"]
B --> D["VBQF2305下橋臂2 \n P-MOSFET"]
B --> E["上橋臂N-MOSFET1"]
B --> F["上橋臂N-MOSFET2"]
subgraph "柵極驅動電路"
G["高邊驅動器"] --> E
G --> F
H["低邊驅動器"] --> C
H --> D
end
C --> I["電機輸出A"]
D --> J["電機輸出B"]
E --> I
F --> J
I --> K["伺服電機線圈A"]
J --> L["伺服電機線圈B"]
end
subgraph "保護與檢測電路"
M["電流採樣電阻"] --> N["差分放大器"]
N --> O["ADC輸入"]
P["溫度感測器"] --> Q["溫度監測IC"]
R["TVS二極體"] --> C
R --> D
S["柵極電阻"] --> C
S --> D
T["自舉電容"] --> G
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
感測器電源管理拓撲詳圖
graph TB
subgraph "VB5460雙MOS電源開關通道"
A["MCU GPIO控制信號"] --> B["電平轉換電路"]
B --> C["VB5460輸入"]
subgraph C ["VB5460內部結構"]
direction LR
IN_P["P-MOS柵極"]
IN_N["N-MOS柵極"]
SOURCE_P["P-MOS源極"]
SOURCE_N["N-MOS源極"]
DRAIN_P["P-MOS漏極"]
DRAIN_N["N-MOS漏極"]
end
D["12V感測器電源"] --> DRAIN_P
D["12V感測器電源"] --> DRAIN_N
SOURCE_P --> E["感測器負載正極"]
SOURCE_N --> F["感測器負載負極"]
E --> G["精密力感測器"]
F --> H["感測器地"]
end
subgraph "多通道擴展與保護"
I["電源分配匯流排"] --> J["π型濾波電路"]
J --> K["VB5460通道1"]
J --> L["VB5460通道2"]
J --> M["VB5460通道3"]
J --> N["VB5460通道4"]
K --> O["力感測器"]
L --> P["編碼器"]
M --> Q["位置感測器"]
N --> R["安全感測器"]
subgraph "過流保護"
S["自恢復保險絲"] --> K
T["電子保險絲"] --> L
end
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style K fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
高壓安全隔離拓撲詳圖
graph LR
subgraph "高壓輔助電源轉換"
A["高壓直流母線 \n 200-400V"] --> B["VBI1202K初級開關"]
B --> C["高頻變壓器初級"]
C --> D["諧振電容"]
D --> E["初級地"]
F["PWM控制器"] --> G["隔離驅動器"]
G --> B
subgraph "次級側"
H["變壓器次級"] --> I["整流電路"]
I --> J["濾波電路"]
J --> K["隔離輔助電源輸出 \n 12V/24V"]
end
end
subgraph "安全隔離繼電器驅動"
L["安全控制器"] --> M["光耦隔離"]
M --> N["VBI1202K驅動器"]
N --> O["VBI1202K開關管"]
P["隔離電源12V"] --> Q["繼電器線圈"]
O --> Q
Q --> R["繼電器觸點"]
R --> S["主電源回路"]
end
subgraph "緊急制動電磁閥驅動"
T["緊急停止信號"] --> U["快速隔離電路"]
U --> V["VBI1202K驅動級"]
V --> W["VBI1202K功率級"]
X["高壓電源"] --> Y["電磁閥線圈"]
W --> Y
Y --> Z["續流二極體"]
end
subgraph "保護電路"
AA["RCD吸收網路"] --> B
AB["RC緩衝電路"] --> O
AC["TVS陣列"] --> W
AD["過壓比較器"] --> F
AE["過流檢測"] --> N
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style O fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style W fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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