graph LR
subgraph "三相PFC升压级"
A[三相380VAC输入] --> B[EMI滤波器]
B --> C[三相整流桥]
C --> D[PFC升压电感]
D --> E[PFC开关节点]
subgraph "高压MOSFET阵列"
F1["VBM16R32S \n 600V/32A"]
F2["VBM16R32S \n 600V/32A"]
F3["VBM16R32S \n 600V/32A"]
end
E --> F1
E --> F2
E --> F3
F1 --> G[高压直流母线]
F2 --> G
F3 --> G
H[PFC控制器] --> I[隔离栅极驱动器]
I --> F1
I --> F2
I --> F3
end
subgraph "LLC谐振变换级"
G --> J[LLC谐振网络]
J --> K[高频变压器]
subgraph "LLC开关管"
L1["VBM16R32S \n 600V/32A"]
L2["VBM16R32S \n 600V/32A"]
end
K --> M[LLC开关节点]
M --> L1
M --> L2
L1 --> N[初级地]
L2 --> N
O[LLC控制器] --> P[栅极驱动器]
P --> L1
P --> L2
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[电压/电流采样] --> V[保护电路]
V --> W[故障保护]
W --> H
W --> O
end
style F1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
冷却系统驱动拓扑详图
graph TB
subgraph "三相逆变桥驱动泵机"
A[48VDC输入] --> B[直流母线电容]
B --> C[三相逆变桥]
subgraph "大电流MOSFET桥臂"
D1["VBPB1603 \n 60V/210A"]
D2["VBPB1603 \n 60V/210A"]
D3["VBPB1603 \n 60V/210A"]
D4["VBPB1603 \n 60V/210A"]
D5["VBPB1603 \n 60V/210A"]
D6["VBPB1603 \n 60V/210A"]
end
C --> D1
C --> D2
C --> D3
C --> D4
C --> D5
C --> D6
D1 --> E[U相输出]
D2 --> E
D3 --> F[V相输出]
D4 --> F
D5 --> G[W相输出]
D6 --> G
E --> H[冷水机组泵]
F --> H
G --> H
I[MCU控制器] --> J[三相栅极驱动器]
J --> D1
J --> D2
J --> D3
J --> D4
J --> D5
J --> D6
end
subgraph "保护与监控"
K[电流检测] --> L[过流比较器]
M[温度检测] --> N[温度保护]
O[电压检测] --> P[过压/欠压保护]
L --> Q[故障锁存]
N --> Q
P --> Q
Q --> R[关断信号]
R --> J
Q --> S[故障指示灯]
end
subgraph "散热系统"
T[液冷散热板] --> U[TO3P封装]
U --> D1
V[强制风冷] --> W[MOSFET散热器]
W --> D2
end
style D1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
板级电源管理拓扑详图
graph LR
subgraph "POL负载点转换"
A[12V输入] --> B[Buck转换器]
subgraph "同步Buck MOSFET"
C1["VBB1240 \n 20V/6A"]
C2["VBB1240 \n 20V/6A"]
end
B --> C1
B --> C2
C1 --> D[电感与滤波]
C2 --> D
D --> E[1.8V/3.3V输出]
E --> F[CPU/FPGA核心电源]
end
subgraph "智能负载开关网络"
G[BMC GPIO] --> H[电平转换]
H --> I[控制逻辑]
subgraph "多路负载开关"
J1["VBB1240 \n 风扇控制"]
J2["VBB1240 \n 传感器供电"]
J3["VBB1240 \n 通信模块"]
J4["VBB1240 \n 指示灯"]
end
I --> J1
I --> J2
I --> J3
I --> J4
J1 --> K[散热风扇阵列]
J2 --> L[温湿度传感器]
J3 --> M[RS485/CAN模块]
J4 --> N[状态指示灯]
K --> O[系统散热]
end
subgraph "监控与保护"
P[电流采样] --> Q[ADC转换]
Q --> R[BMC监控]
S[温度采样] --> R
T[电压监测] --> R
R --> U[智能控制算法]
U --> I
U --> B
end
subgraph "PCB散热设计"
V[内层敷铜] --> W[热过孔阵列]
W --> C1
X[表层铜皮] --> Y[散热焊盘]
Y --> J1
end
style C1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style J1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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