graph LR
subgraph "三相全桥驱动电路"
A[主控MCU] --> B[PWM信号发生器]
B --> C[隔离栅极驱动器]
C --> D["VBQF1405 \n 高侧开关"]
C --> E["VBQF1405 \n 低侧开关"]
D --> F[U相输出]
E --> F
subgraph "三相桥臂配置"
H["VBQF1405 x6 \n 三相全桥"]
end
H --> I[电机U相]
H --> J[电机V相]
H --> K[电机W相]
L[电机编码器] --> M[位置反馈]
M --> A
end
subgraph "保护与滤波网络"
N[DC总线] --> O[母线电容组]
O --> P[MLCC去耦电容]
P --> H
Q[RC缓冲电路] --> D
Q --> E
R[电流检测] --> S[过流保护]
S --> T[故障锁存]
T --> C
end
subgraph "散热设计"
U[DFN8(3x3)封装] --> V[导热硅脂]
V --> W[金属结构件]
W --> X[散热路径]
Y[温度传感器] --> Z[热管理算法]
Z --> B
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
传感器与控制器供电拓扑详图
graph TB
subgraph "冗余供电架构"
A[12V辅助电源] --> B[OR-ing控制电路]
B --> C["VBC6N2005 \n 电源路径选择"]
D[备用电源] --> E["VBC6N2005 \n 冗余切换"]
C --> F[主供电总线]
E --> F
F --> G[负载分配网络]
end
subgraph "智能负载开关通道"
H[MCU控制信号] --> I[电平转换与缓冲]
I --> J["VBC6N2005 \n 通道1"]
I --> K["VBC6N2005 \n 通道2"]
J --> L[传感器模块]
K --> M[控制器模块]
subgraph "电流检测与保护"
N[高精度运放] --> O[电流检测电阻]
O --> P[比较器]
P --> Q[故障信号]
end
L --> O
M --> O
Q --> R[关断控制]
R --> J
R --> K
end
subgraph "状态监控与诊断"
S[漏极电压监测] --> T[ADC采样]
U[源极电流监测] --> T
V[温度监测] --> T
T --> W[状态诊断]
W --> X[故障报告]
X --> H
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
安全隔离与制动控制拓扑详图
graph LR
subgraph "复合开关灵活配置"
A["VB5222 N+P复合"] --> B[高侧开关配置]
A --> C[低侧开关配置]
A --> D[半桥配置]
B --> E[安全继电器驱动]
C --> F[电磁制动器驱动]
D --> G[隔离控制开关]
end
subgraph "安全继电器驱动电路"
H[安全控制器] --> I[逻辑隔离]
I --> J["VB5222 N管驱动"]
I --> K["VB5222 P管驱动"]
J --> L[继电器线圈]
K --> L
L --> M[续流二极管]
M --> N[RC缓冲]
N --> O[继电器触点]
O --> P[紧急停止回路]
end
subgraph "电磁制动器驱动"
Q[制动控制信号] --> R[驱动电路]
R --> S["VB5222 N管"]
R --> T["VB5222 P管"]
S --> U[制动器线圈]
T --> U
U --> V[快速泄放电路]
V --> W[机械臂锁定]
end
subgraph "故障安全设计"
X[故障检测] --> Y[安全逻辑]
Y --> Z[强制关断]
Z --> J
Z --> K
Z --> S
Z --> T
AA[状态反馈] --> AB[安全监控]
AB --> AC[系统诊断]
end
style A fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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