graph LR
subgraph "LLC谐振变换器拓扑"
A["高压输入 \n 380-400VDC"] --> B["输入滤波 \n X电容/共模电感"]
B --> C["LLC谐振腔 \n Lr、Cr、Lm"]
C --> D["变压器初级"]
D --> E["初级侧开关节点"]
E --> F["VBQA165R05S \n 650V/5A"]
F --> G["初级地"]
H["LLC控制器"] --> I["栅极驱动器"]
I --> F
D -->|电压反馈| H
end
subgraph "次级侧与输出"
D --> J["变压器次级"]
J --> K["同步整流MOSFET"]
K --> L["输出滤波 \n LC网络"]
L --> M["低压直流总线 \n 24V/48VDC"]
N["同步整流控制器"] --> O["同步整流驱动器"]
O --> K
end
subgraph "保护电路"
P["RCD钳位网络"] --> E
Q["TVS吸收"] --> I
R["过流保护"] --> H
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
多轴关节电机驱动拓扑详图
graph TB
subgraph "单关节三相逆变桥拓扑"
A["24V/48V直流总线"] --> B["输入电容组"]
B --> C_U["上桥臂开关"]
B --> C_V["上桥臂开关"]
B --> C_W["上桥臂开关"]
C_U --> D_U["VBGL7802 \n 80V/250A"]
C_V --> D_V["VBGL7802 \n 80V/250A"]
C_W --> D_W["VBGL7802 \n 80V/250A"]
D_U --> E_U["U相输出"]
D_V --> E_V["V相输出"]
D_W --> E_W["W相输出"]
E_U --> F["关节电机 \n (三相)"]
E_V --> F
E_W --> F
F --> G["电机地"]
D_U --> G
D_V --> G
D_W --> G
end
subgraph "驱动与控制"
H["运动控制器"] --> I["预驱芯片"]
I --> J["栅极驱动网络"]
J --> D_U
J --> D_V
J --> D_W
K["电流采样 \n (开尔文连接)"] --> L["电流检测IC"]
L --> M["保护逻辑"]
M --> N["故障关断"]
N --> D_U
N --> D_V
N --> D_W
end
subgraph "保护电路"
O["RC吸收网络"] --> E_U
P["TVS阵列"] --> E_U
Q["退饱和检测"] --> D_U
R["温度传感器"] --> S["热保护"]
S --> N
end
style D_U fill:#ffebee,stroke:#f44336,stroke-width:2px
智能负载管理拓扑详图
graph LR
subgraph "双通道智能负载开关"
A["MCU GPIO"] --> B["电平转换电路"]
B --> C["VBC6P2216输入 \n 栅极控制"]
subgraph D ["VBC6P2216内部结构"]
direction LR
CH1_GATE[通道1栅极]
CH2_GATE[通道2栅极]
CH1_SOURCE[通道1源极]
CH2_SOURCE[通道2源极]
CH1_DRAIN[通道1漏极]
CH2_DRAIN[通道2漏极]
end
C --> CH1_GATE
C --> CH2_GATE
VCC_12V["12V辅助电源"] --> CH1_DRAIN
VCC_12V --> CH2_DRAIN
CH1_SOURCE --> E["负载1供电 \n (如显示屏)"]
CH2_SOURCE --> F["负载2供电 \n (如摄像头)"]
E --> G["负载地"]
F --> G
end
subgraph "多路负载时序管理"
H["主控MCU"] --> I["负载状态机"]
I --> J["通道1使能"]
I --> K["通道2使能"]
I --> L["通道3使能"]
I --> M["通道N使能"]
J --> N["VBC6P2216 \n 阵列1"]
K --> O["VBC6P2216 \n 阵列2"]
L --> P["VBC6P2216 \n 阵列3"]
M --> Q["VBC6P2216 \n 阵列N"]
N --> R["视觉系统"]
O --> S["音频系统"]
P --> T["传感器组"]
Q --> U["照明系统"]
end
subgraph "保护功能"
V["软启动电路"] --> CH1_GATE
W["过流检测"] --> CH1_SOURCE
X["热关断"] --> D
Y["反并联二极管"] --> E
Z["TVS保护"] --> E
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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