graph LR
subgraph "三相PFC/DC-DC转换级"
A[三相380VAC输入] --> B[EMI滤波器]
B --> C[三相整流桥]
C --> D[高压直流母线]
D --> E[PFC电感]
E --> F[PFC开关节点]
F --> G["VBQE165R20S \n 650V/20A \n DFN8X8"]
G --> H[直流输出]
I[PFC控制器] --> J[栅极驱动器]
J --> G
D -->|电压反馈| I
end
subgraph "LLC谐振变换器"
H --> K[LLC谐振腔]
K --> L[高频变压器初级]
L --> M[LLC开关节点]
M --> N["VBQE165R20S \n 650V/20A \n DFN8X8"]
N --> O[初级地]
P[LLC控制器] --> Q[隔离驱动器]
Q --> N
L -->|电流反馈| P
end
subgraph "输出与保护"
R[变压器次级] --> S[同步整流]
S --> T[输出滤波]
T --> U[24V/48V输出]
V[过压保护] --> W[故障锁存]
W --> X[关断信号]
X --> I
X --> P
end
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style N fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
伺服驱动系统拓扑详图
graph TB
subgraph "三相伺服逆变桥"
A[24V/48V直流母线] --> B[直流滤波电容]
B --> C[三相逆变桥]
subgraph "逆变桥功率开关阵列"
Q_UH["VBGM1603 \n 上桥臂U"]
Q_UL["VBGM1603 \n 下桥臂U"]
Q_VH["VBGM1603 \n 上桥臂V"]
Q_VL["VBGM1603 \n 下桥臂V"]
Q_WH["VBGM1603 \n 上桥臂W"]
Q_WL["VBGM1603 \n 下桥臂W"]
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[U相地]
Q_VH --> F[V相输出]
Q_VL --> G[V相地]
Q_WH --> H[W相输出]
Q_WL --> I[W相地]
D --> J[伺服电机U相]
F --> K[伺服电机V相]
H --> L[伺服电机W相]
end
subgraph "驱动与控制"
M[伺服控制器] --> N[PWM信号发生器]
N --> O[栅极驱动器]
O --> Q_UH
O --> Q_UL
O --> Q_VH
O --> Q_VL
O --> Q_WH
O --> Q_WL
P[电流传感器] --> Q[ADC采样]
Q --> M
R[编码器反馈] --> M
end
subgraph "保护电路"
S[过流检测] --> T[快速关断]
T --> O
U[温度传感器] --> V[热保护]
V --> M
W[直流母线电容] --> X[电压监测]
X --> M
end
style Q_UH fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_UL fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载管理拓扑详图
graph LR
subgraph "精密传感器电源管理"
A[12V/24V控制总线] --> B["VBA8338 \n P-MOSFET开关"]
B --> C[LC滤波器]
C --> D[精密传感器组]
D --> E[模拟信号]
E --> F[ADC输入]
F --> G[PLC/工控机]
H[IO控制器] --> I[电平转换]
I --> J[栅极控制]
J --> B
end
subgraph "电磁阀驱动控制"
K[12V/24V控制总线] --> L["VBA8338 \n P-MOSFET开关"]
L --> M[电流限制]
M --> N[电磁阀线圈]
N --> O[续流二极管]
O --> P[地]
Q[IO控制器] --> R[驱动电路]
R --> S[栅极控制]
S --> L
end
subgraph "安全继电器控制"
T[12V/24V控制总线] --> U["VBA8338 \n P-MOSFET开关"]
U --> V[继电器线圈]
V --> W[保护二极管]
W --> X[地]
Y[安全PLC] --> Z[隔离输出]
Z --> AA[栅极控制]
AA --> U
end
subgraph "顺序上电与保护"
BB[主控PLC] --> CC[上电时序控制器]
CC --> DD[使能信号1]
DD --> B
CC --> EE[使能信号2]
EE --> L
CC --> FF[使能信号3]
FF --> U
GG[过流检测] --> HH[故障信号]
HH --> CC
II[温度监测] --> JJ[热关断]
JJ --> CC
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style U fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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