graph LR
subgraph "AC-DC PFC级"
A[三相380VAC] --> 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["VBMB19R15S \n 高压MOSFET"]
F --> G[高压直流母线 \n ~700VDC]
H[PFC控制器] --> I[栅极驱动器]
I --> F
end
subgraph "LLC谐振变换级"
G --> J[LLC谐振腔]
J --> K[高频变压器]
K --> L[LLC开关节点]
L --> M["VBMB19R15S \n 高压MOSFET"]
M --> N[初级地]
O[LLC控制器] --> P[栅极驱动器]
P --> M
end
subgraph "同步整流与输出"
K --> Q[变压器次级]
Q --> R[同步整流节点]
R --> S[同步整流MOSFET]
S --> T[输出滤波]
T --> U[48VDC输出]
U --> V[服务器负载]
end
subgraph "保护电路"
W[输入保险丝] --> X[MOV保护]
Y[RCD缓冲] --> Z[RC吸收]
end
W --> B
X --> C
Y --> F
Z --> M
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style M fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能散热风扇驱动拓扑详图
graph TB
subgraph "风扇墙驱动系统"
A[冷却控制器] --> B[PWM信号发生器]
B --> C[大电流栅极驱动器]
C --> D["VBGL7101 \n 功率MOSFET"]
D --> E[风扇电机阵列]
E --> F[强制风冷]
subgraph "风扇阵列"
FAN1[风扇组1]
FAN2[风扇组2]
FAN3[风扇组3]
end
D --> FAN1
D --> FAN2
D --> FAN3
end
subgraph "精密空调风机驱动"
G[温度传感器] --> H[空调控制器]
H --> I[风机驱动电路]
I --> J["VBGL7101 \n 功率MOSFET"]
J --> K[空调风机]
K --> L[冷风输出]
end
subgraph "液冷泵驱动"
M[液冷控制器] --> N[泵驱动电路]
N --> O["VBGL7101 \n 功率MOSFET"]
O --> P[液冷循环泵]
P --> Q[冷却液循环]
end
subgraph "散热管理"
R[散热器] --> D
S[导热垫] --> J
T[液冷板] --> O
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style O fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
精密配电与负载开关拓扑详图
graph LR
subgraph "智能PDU主控"
A[DCIM平台] --> B[PDU控制器]
B --> C[通信接口]
C --> D[远程控制]
end
subgraph "双路负载开关通道"
E[MCU GPIO控制] --> F[电平转换电路]
F --> G["VBA3328双N-MOS \n SOP8封装"]
subgraph G ["VBA3328内部结构"]
direction LR
GATE1[栅极1]
GATE2[栅极2]
SOURCE1[源极1]
SOURCE2[源极2]
DRAIN1[漏极1]
DRAIN2[漏极2]
end
AC_INPUT[AC输入] --> DRAIN1
AC_INPUT --> DRAIN2
SOURCE1 --> LOAD_L["负载火线(L)"]
SOURCE2 --> LOAD_N["负载零线(N)"]
LOAD_L --> SERVER["服务器负载"]
LOAD_N --> SERVER
end
subgraph "多通道扩展"
H["通道1: AI服务器"] --> I1["VBA3328"]
H --> I2["VBA3328"]
J["通道2: 存储设备"] --> I3["VBA3328"]
J --> I4["VBA3328"]
K["通道3: 网络设备"] --> I5["VBA3328"]
K --> I6["VBA3328"]
end
subgraph "监测与保护"
L[电流采样电路] --> M[高精度ADC]
M --> N[过流比较器]
N --> O[保护锁存]
O --> P[快速关断]
P --> G
Q[电压监测] --> R[隔离通信]
R --> B
end
style G fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style I1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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