graph LR
subgraph "三相逆变桥功率级"
A["48V/100V电源总线"] --> B["直流母线电容"]
B --> C["三相逆变桥"]
subgraph C ["VBGQF1101N MOSFET阵列"]
direction TB
Q1["上桥U相"]
Q2["下桥U相"]
Q3["上桥V相"]
Q4["下桥V相"]
Q5["上桥W相"]
Q6["下桥W相"]
end
Q1 --> D["U相输出"]
Q2 --> E["电机地"]
Q3 --> F["V相输出"]
Q4 --> E
Q5 --> G["W相输出"]
Q6 --> E
D --> H["伺服电机U相"]
F --> I["伺服电机V相"]
G --> J["伺服电机W相"]
end
subgraph "栅极驱动与控制"
K["电机控制器"] --> L["隔离栅极驱动器"]
L --> M["上桥驱动信号"]
L --> N["下桥驱动信号"]
M --> Q1
M --> Q3
M --> Q5
N --> Q2
N --> Q4
N --> Q6
O["电流检测"] --> P["矢量控制算法"]
P --> K
end
subgraph "保护电路"
Q["RC吸收网络"] --> Q1
R["TVS管阵列"] --> L
S["过流检测"] --> T["快速关断电路"]
T --> N
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
步进电机控制拓扑详图
graph TB
subgraph "双路集成H桥驱动器"
A["24V系统电源"] --> B["VBQF3307通道1"]
A --> C["VBQF3307通道2"]
subgraph B ["VBQF3307双N沟道MOSFET"]
direction LR
IN1_A["栅极A1"]
IN2_A["栅极A2"]
OUT1_A["输出A1"]
OUT2_A["输出A2"]
end
subgraph C ["VBQF3307双N沟道MOSFET"]
direction LR
IN1_B["栅极B1"]
IN2_B["栅极B2"]
OUT1_B["输出B1"]
OUT2_B["输出B2"]
end
OUT1_A --> D["步进电机A相"]
OUT2_A --> E["步进电机/A相"]
OUT1_B --> F["步进电机B相"]
OUT2_B --> G["步进电机/B相"]
D --> H["两相步进电机"]
F --> H
end
subgraph "微步进控制电路"
I["MCU微步进控制器"] --> J["双路预驱动器"]
J --> IN1_A
J --> IN2_A
J --> IN1_B
J --> IN2_B
K["电流检测电阻"] --> L["电流反馈电路"]
L --> I
end
subgraph "续流与保护"
M["肖特基二极管"] --> OUT1_A
N["RC缓冲电路"] --> OUT2_A
O["栅极TVS保护"] --> IN1_A
P["过温保护"] --> Q["关断逻辑"]
Q --> J
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
传感器供电管理拓扑详图
graph LR
subgraph "多路负载开关阵列"
A["12V/24V逻辑电源"] --> B["电源分配总线"]
B --> C["VBK1240通道1"]
B --> D["VBK1240通道2"]
B --> E["VBK1240通道3"]
subgraph C ["VBK1240负载开关"]
direction TB
GATE1["栅极"]
SOURCE1["源极"]
DRAIN1["漏极"]
end
subgraph D ["VBK1240负载开关"]
direction TB
GATE2["栅极"]
SOURCE2["源极"]
DRAIN2["漏极"]
end
subgraph E ["VBK1240负载开关"]
direction TB
GATE3["栅极"]
SOURCE3["源极"]
DRAIN3["漏极"]
end
SOURCE1 --> F["光栅尺传感器 \n +5V供电"]
SOURCE2 --> G["编码器模块 \n +12V供电"]
SOURCE3 --> H["接近开关阵列 \n +24V供电"]
end
subgraph "MCU直接驱动"
I["主控MCU \n 3.3V GPIO"] --> J["栅极串联电阻"]
J --> GATE1
J --> GATE2
J --> GATE3
K["电平转换电路"] --> L["高侧驱动"]
L --> M["高侧负载开关"]
end
subgraph "保护与滤波"
N["输入滤波电容"] --> B
O["输出滤波电容"] --> F
P["TVS保护"] --> GATE1
Q["过流检测"] --> R["快速关断"]
R --> I
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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