graph LR
subgraph "医疗级输入滤波与整流"
A["85-265VAC输入"] --> B["医疗级EMI滤波器 \n 增强绝缘"]
B --> C["整流桥"]
C --> D["X电容与Y电容"]
D --> E["共模电感"]
end
subgraph "PFC升压级"
E --> F["升压电感"]
F --> G["PFC开关节点"]
G --> H["VBMB17R15SE \n 700V/15A N-MOS"]
H --> I["高压直流母线 \n ~400VDC"]
J["PFC控制器"] --> K["隔离栅极驱动器"]
K --> H
I -->|电压反馈| J
end
subgraph "隔离DC-DC变换"
I --> L["LLC谐振腔"]
L --> M["高频变压器 \n 初级侧"]
M --> N["主开关节点"]
N --> O["VBMB17R15SE \n 700V/15A N-MOS"]
O --> P["初级地"]
Q["LLC控制器"] --> R["隔离驱动器"]
R --> O
M -->|电流检测| Q
end
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style O fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
核心计算单元供电与负载管理拓扑详图
graph TB
subgraph "多相Buck变换器"
A["中间总线12V"] --> B["相位1上管"]
B --> C["相位1下管 \n VBL1206 N-MOS"]
C --> D["输出电感1"]
D --> E["CPU核心供电 \n 0.8-1.8V"]
F["相位2上管"] --> G["相位2下管 \n VBL1206 N-MOS"]
G --> H["输出电感2"]
H --> I["DDR内存供电 \n 1.2V"]
J["相位3上管"] --> K["相位3下管 \n VBL1206 N-MOS"]
K --> L["输出电感3"]
L --> M["FPGA逻辑供电 \n 1.0V"]
N["多相控制器"] --> O["栅极驱动器"]
O --> B
O --> C
O --> F
O --> G
O --> J
O --> K
end
subgraph "智能负载管理"
P["12V背板"] --> Q["VBQA4317 Ch1 \n P-MOS"]
P --> R["VBQA4317 Ch2 \n P-MOS"]
Q --> S["NVMe SSD阵列1"]
R --> T["NVMe SSD阵列2"]
U["管理MCU"] --> V["电平转换器"]
V --> W["VBQA4317栅极驱动"]
W --> Q
W --> R
subgraph "保护电路"
X["精密电流检测"]
Y["电子保险丝"]
Z["TVS瞬态抑制"]
end
S --> X
T --> X
X --> Y
Z --> Q
Z --> R
Y -->|故障信号| U
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与系统保护拓扑详图
graph LR
subgraph "三级热管理系统"
A["一级: 液冷散热"] --> B["CPU/GPU核心"]
C["二级: 强制风冷"] --> D["VBL1206 MOSFET阵列"]
E["三级: PCB热设计"] --> F["VBQA4317负载开关"]
G["温度传感器网络"] --> H["BMC管理控制器"]
H --> I["风扇PWM控制"]
H --> J["液冷泵控制"]
I --> K["系统风扇组"]
J --> L["液冷循环泵"]
end
subgraph "电气保护网络"
M["RCD缓冲电路"] --> N["VBMB17R15SE"]
O["RC吸收电路"] --> P["同步整流节点"]
Q["TVS保护阵列"] --> R["栅极驱动电路"]
S["电流检测放大器"] --> T["快速比较器"]
T --> U["故障锁存器"]
U --> V["系统关断信号"]
V --> N
V --> W["负载开关"]
subgraph "静电防护"
X["栅极串联电阻"]
Y["钳位二极管"]
Z["ESD保护器件"]
end
end
style N fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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