graph LR
subgraph "三相PFC升压电路"
A[三相380VAC输入] --> B[EMI滤波器]
B --> C[三相整流桥]
C --> D[升压电感]
D --> E[PFC开关节点]
E --> F["VBP165C50 \n SiC MOSFET"]
F --> G[高压直流母线]
H[PFC控制器] --> I[SiC专用驱动器]
I --> F
G -->|电压反馈| H
end
subgraph "隔离LLC谐振变换器"
G --> J[LLC谐振腔]
J --> K[高频变压器初级]
K --> L[LLC开关节点]
L --> M["VBP165C50 \n SiC MOSFET"]
M --> N[初级地]
O[LLC控制器] --> P[隔离驱动器]
P --> M
K -->|电流检测| O
end
subgraph "输出与保护"
K --> Q[变压器次级]
Q --> R[同步整流]
R --> S[输出滤波]
S --> T[12V/48V输出]
U[过压保护] --> V[保护IC]
W[过流检测] --> V
X[温度监测] --> V
V --> Y[故障信号]
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style M fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
计算核心多相供电拓扑详图
graph TB
subgraph "多相Buck变换器"
A[12V/48V输入] --> B[输入电容]
B --> C[相位1上管]
C --> D[相位1下管]
D --> E[输出电感1]
E --> F[CPU供电节点]
B --> G[相位2上管]
G --> H[相位2下管]
H --> I[输出电感2]
I --> F
B --> J[相位3上管]
J --> K[相位3下管]
K --> L[输出电感3]
L --> F
end
subgraph "同步整流MOSFET"
M["VBA1102N \n 下管1"]
N["VBA1102N \n 下管2"]
O["VBA1102N \n 下管3"]
end
D --> M
H --> N
K --> O
M --> P[地]
N --> P
O --> P
subgraph "控制与监控"
Q[多相控制器] --> R[驱动器1]
Q --> S[驱动器2]
Q --> T[驱动器3]
R --> D
S --> H
T --> K
U[电流检测] --> Q
V[电压反馈] --> Q
W[温度监测] --> Q
end
F --> X[输出电容]
X --> Y[CPU/GPU核心 \n 0.8-1.2V@100A+]
style M fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style N fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style O fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
外围接口智能开关拓扑详图
graph LR
subgraph "MCU控制接口"
A[MCU GPIO] --> B[电平转换电路]
B --> C[驱动信号]
end
subgraph "P-MOSFET高侧开关"
C --> D["VBC7P2216栅极"]
E[12V电源] --> F["VBC7P2216漏极"]
F --> G[源极输出]
D --> H[栅极电阻]
H --> I[栅极-源极电容]
end
subgraph "负载连接与保护"
G --> J[负载正极]
J --> K[GNSS模块]
J --> L[激光雷达]
J --> M[工业相机]
J --> N[SATA SSD]
subgraph "保护电路"
O[TVS二极管]
P[滤波电容]
Q[缓冲电路]
R[电流检测]
end
O --> J
P --> J
Q --> J
R --> S[过流保护]
S --> T[故障反馈]
T --> A
end
subgraph "热插拔控制"
U[热插拔检测] --> V[插入信号]
V --> A
W[顺序上电控制] --> X[电源序列]
X --> A
end
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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