graph LR
subgraph "三相PFC升压级"
A[三相交流输入] --> B[EMI滤波器]
B --> C[三相整流桥]
C --> D[PFC电感]
D --> E[PFC开关节点]
E --> F["VBP110MR24 \n 1000V/24A"]
F --> G[高压直流母线800VDC]
H[PFC控制器] --> I[隔离驱动器]
I --> F
G -->|电压反馈| H
end
subgraph "隔离DC-DC变换级"
G --> J[高频变压器]
J --> K[谐振网络]
K --> L[DC开关节点]
L --> M["VBP110MR24 \n 1000V/24A"]
M --> N[初级地]
O[LLC控制器] --> P[隔离驱动器]
P --> M
J --> Q[变压器次级]
Q --> R[同步整流]
R --> S[输出滤波]
S --> T[eVTOL充电接口]
end
subgraph "并联均流设计"
U[驱动信号] --> V[均流控制器]
V --> W[驱动器1]
V --> X[驱动器2]
W --> Y["VBP110MR24"]
X --> Z["VBP110MR24"]
Y --> AA[电流采样]
Z --> AB[电流采样]
AA --> V
AB --> V
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style M fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Y fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
辅助电源与智能配电详图
graph TB
subgraph "低压大电流配电总线"
A[24V/48V辅助电源] --> B[输入滤波器]
B --> C[配电总线]
C --> D["VBNC1303 \n 主开关"]
C --> E["VBNC1303 \n 照明开关"]
C --> F["VBNC1303 \n 控制开关"]
C --> G["VBNC1303 \n 监控开关"]
end
subgraph "智能负载管理"
D --> H[主控系统负载]
E --> I[平台照明负载]
F --> J[控制设备负载]
G --> K[监控系统负载]
subgraph "电流检测与保护"
L[电流传感器] --> M[比较器]
M --> N[故障锁存]
N --> O[关断信号]
O --> D
O --> E
end
subgraph "PWM调光控制"
P[MCU PWM] --> Q[电平转换]
Q --> R[驱动器]
R --> E
end
end
subgraph "同步整流应用"
S[变压器次级] --> T[同步整流节点]
T --> U["VBNC1303 \n 同步整流"]
U --> V[输出电感]
V --> W[输出电容]
W --> X[低压输出]
Y[同步整流控制器] --> Z[驱动器]
Z --> U
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style U fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
关键备份与安全隔离详图
graph LR
subgraph "备份电源切换系统"
A[主电源] --> B[二极管ORing]
C[备用电池] --> D["VBE2317 \n 备份开关"]
D --> B
B --> E[关键负载总线]
subgraph "高边驱动电路"
F[MCU控制信号] --> G[NPN三极管]
G --> H[上拉电阻]
H --> D
end
subgraph "状态反馈"
I[开关状态检测] --> J[比较器]
J --> K[MCU]
end
end
subgraph "故障回路隔离"
L[故障检测电路] --> M[故障信号]
M --> N["VBE2317 \n 隔离开关1"]
M --> O["VBE2317 \n 隔离开关2"]
N --> P[隔离区负载1]
O --> Q[隔离区负载2]
R[正常总线] --> N
S[故障总线] --> O
end
subgraph "多重保护设计"
T[电压检测] --> U[比较器阵列]
V[电流检测] --> U
W[温度检测] --> U
U --> X[逻辑与门]
X --> Y[关断信号]
Y --> D
Y --> N
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style N fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBP110MR24规格书
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