graph LR
subgraph "H桥功率驱动电路"
A["直流电源 \n 24V/48V"] --> B["输入滤波电容"]
B --> C["VBQF2305下桥臂1 \n P-MOSFET"]
B --> D["VBQF2305下桥臂2 \n P-MOSFET"]
B --> E["上桥臂N-MOSFET1"]
B --> F["上桥臂N-MOSFET2"]
subgraph "栅极驱动电路"
G["高边驱动器"] --> E
G --> F
H["低边驱动器"] --> C
H --> D
end
C --> I["电机输出A"]
D --> J["电机输出B"]
E --> I
F --> J
I --> K["伺服电机线圈A"]
J --> L["伺服电机线圈B"]
end
subgraph "保护与检测电路"
M["电流采样电阻"] --> N["差分放大器"]
N --> O["ADC输入"]
P["温度传感器"] --> Q["温度监测IC"]
R["TVS二极管"] --> C
R --> D
S["栅极电阻"] --> C
S --> D
T["自举电容"] --> G
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
传感器电源管理拓扑详图
graph TB
subgraph "VB5460双MOS电源开关通道"
A["MCU GPIO控制信号"] --> B["电平转换电路"]
B --> C["VB5460输入"]
subgraph C ["VB5460内部结构"]
direction LR
IN_P["P-MOS栅极"]
IN_N["N-MOS栅极"]
SOURCE_P["P-MOS源极"]
SOURCE_N["N-MOS源极"]
DRAIN_P["P-MOS漏极"]
DRAIN_N["N-MOS漏极"]
end
D["12V传感器电源"] --> DRAIN_P
D["12V传感器电源"] --> DRAIN_N
SOURCE_P --> E["传感器负载正极"]
SOURCE_N --> F["传感器负载负极"]
E --> G["精密力传感器"]
F --> H["传感器地"]
end
subgraph "多通道扩展与保护"
I["电源分配总线"] --> J["π型滤波电路"]
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["力传感器"]
L --> P["编码器"]
M --> Q["位置传感器"]
N --> R["安全传感器"]
subgraph "过流保护"
S["自恢复保险丝"] --> K
T["电子保险丝"] --> L
end
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style K fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
高压安全隔离拓扑详图
graph LR
subgraph "高压辅助电源转换"
A["高压直流母线 \n 200-400V"] --> B["VBI1202K初级开关"]
B --> C["高频变压器初级"]
C --> D["谐振电容"]
D --> E["初级地"]
F["PWM控制器"] --> G["隔离驱动器"]
G --> B
subgraph "次级侧"
H["变压器次级"] --> I["整流电路"]
I --> J["滤波电路"]
J --> K["隔离辅助电源输出 \n 12V/24V"]
end
end
subgraph "安全隔离继电器驱动"
L["安全控制器"] --> M["光耦隔离"]
M --> N["VBI1202K驱动器"]
N --> O["VBI1202K开关管"]
P["隔离电源12V"] --> Q["继电器线圈"]
O --> Q
Q --> R["继电器触点"]
R --> S["主电源回路"]
end
subgraph "紧急制动电磁阀驱动"
T["紧急停止信号"] --> U["快速隔离电路"]
U --> V["VBI1202K驱动级"]
V --> W["VBI1202K功率级"]
X["高压电源"] --> Y["电磁阀线圈"]
W --> Y
Y --> Z["续流二极管"]
end
subgraph "保护电路"
AA["RCD吸收网络"] --> B
AB["RC缓冲电路"] --> O
AC["TVS阵列"] --> W
AD["过压比较器"] --> F
AE["过流检测"] --> 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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