graph LR
subgraph "三相逆变桥驱动"
A["48VDC总线"] --> B["直流母线电容"]
B --> C["三相逆变桥"]
subgraph "MOSFET半桥"
Q_UH["VBGQF1806 \n 上管"]
Q_UL["VBGQF1806 \n 下管"]
Q_VH["VBGQF1806 \n 上管"]
Q_VL["VBGQF1806 \n 下管"]
Q_WH["VBGQF1806 \n 上管"]
Q_WL["VBGQF1806 \n 下管"]
end
C --> Q_UH
C --> Q_UL
C --> Q_VH
C --> Q_VL
C --> Q_WH
C --> Q_WL
Q_UH --> D["U相输出"]
Q_UL --> E["电机地"]
Q_VH --> F["V相输出"]
Q_VL --> E
Q_WH --> G["W相输出"]
Q_WL --> E
D --> H["无刷伺服电机"]
F --> H
G --> H
end
subgraph "栅极驱动电路"
I["伺服预驱芯片"] --> J["高侧驱动"]
I --> K["低侧驱动"]
J --> Q_UH
K --> Q_UL
J --> Q_VH
K --> Q_VL
J --> Q_WH
K --> Q_WL
L["霍尔传感器"] --> I
end
subgraph "保护与散热"
M["RC吸收网络"] --> Q_UH
M --> Q_VH
M --> Q_WH
N["电流检测"] --> O["过流保护"]
O --> I
P["温度传感器"] --> Q["热管理"]
Q --> R["PWM降频"]
end
style Q_UH fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
视觉照明控制拓扑详图
graph TB
subgraph "LED驱动与调光"
A["24VDC输入"] --> B["升压转换器"]
B --> C["恒流驱动"]
C --> D["LED开关节点"]
D --> E["VB7638 \n N-MOSFET"]
E --> F["LED阵列正极"]
F --> G["高亮度LED \n 灯条"]
G --> H["LED阵列负极"]
H --> I["电流采样电阻"]
I --> J["地"]
K["MCU PWM"] --> L["电平转换"]
L --> M["栅极驱动"]
M --> E
N["恒流控制IC"] --> C
I --> O["电流反馈"]
O --> N
end
subgraph "多路照明控制"
P["主MCU"] --> Q["照明控制矩阵"]
Q --> R["通道1 MOSFET"]
Q --> S["通道2 MOSFET"]
Q --> T["通道3 MOSFET"]
R --> U["区域1 LED"]
S --> V["区域2 LED"]
T --> W["区域3 LED"]
end
subgraph "EMC与保护"
X["栅极串联电阻"] --> E
Y["TVS保护"] --> F
Z["散热敷铜"] --> E
end
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
系统电源管理拓扑详图
graph LR
subgraph "双路负载开关"
A["3.3V逻辑控制"] --> B["电平转换器"]
B --> C["VBBC3210 输入1"]
B --> D["VBBC3210 输入2"]
subgraph "双N-MOSFET"
E["通道1: Vgs=0.8V \n Rds(on)=17mΩ"]
F["通道2: Vgs=0.8V \n Rds(on)=17mΩ"]
end
C --> E
D --> F
G["12VDC电源"] --> H["电源输入节点"]
H --> E
H --> F
E --> I["AI计算单元供电"]
F --> J["传感器供电"]
I --> K["GPU/FPGA核心"]
J --> L["工业相机"]
end
subgraph "智能配电管理"
M["电源管理MCU"] --> N["负载监测"]
N --> O["过流保护"]
O --> P["关断控制"]
P --> C
P --> D
Q["温度传感器"] --> M
R["电流检测"] --> N
end
subgraph "同步整流应用"
S["DC-DC转换器"] --> T["同步整流控制"]
T --> U["VBBC3210同步整流"]
U --> V["高效转换输出"]
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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