graph LR
subgraph "三相PFC与高压变换"
A["三相400VAC输入"] --> B["EMI滤波网络"]
B --> C["三相整流桥"]
C --> D["PFC升压电感"]
D --> E["PFC开关节点"]
E --> F["VBM18R15S x2 \n 800V/15A"]
F --> G["高压母线电容 \n 700-750VDC"]
G --> H["LLC谐振腔"]
H --> I["高频变压器初级"]
I --> J["LLC开关节点"]
J --> K["VBM18R15S x2 \n 800V/15A"]
K --> L["初级地"]
M["PFC控制器"] --> N["栅极驱动器"]
N --> F
O["LLC控制器"] --> P["栅极驱动器"]
P --> K
G -->|电压反馈| M
I -->|电流反馈| O
end
subgraph "同步整流与12V输出"
Q["变压器次级"] --> R["同步整流桥"]
R --> S["输出滤波电感"]
S --> T["输出滤波电容"]
T --> U["12V中压总线"]
V["同步整流控制器"] --> W["栅极驱动器"]
W --> R
U -->|电压反馈| V
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
多相VRM核心供电拓扑详图
graph TB
subgraph "四相VRM功率拓扑"
A["12V输入总线"] --> B["输入滤波电容阵列"]
B --> C["相位1功率级"]
B --> D["相位2功率级"]
B --> E["相位3功率级"]
B --> F["相位4功率级"]
subgraph C ["相位1详细结构"]
direction LR
C1["上管: VBPB1106"]
C2["下管: VBPB1106"]
C3["功率电感"]
C1 --> C3
C2 --> C3
end
subgraph D ["相位2详细结构"]
direction LR
D1["上管: VBPB1106"]
D2["下管: VBPB1106"]
D3["功率电感"]
D1 --> D3
D2 --> D3
end
C3 --> G["输出电容阵列"]
D3 --> G
E --> G
F --> G
G --> H["CPU/GPU核心电压 \n 0.8-1.8V"]
I["多相数字控制器"] --> J["栅极驱动器阵列"]
J --> C1
J --> C2
J --> D1
J --> D2
K["电流检测(DCR/传感器)"] --> I
L["电压反馈网络"] --> I
H -->|负载瞬态| M["动态相位管理"]
M --> I
end
subgraph "动态相位控制逻辑"
N["轻载(10-30%)"] --> O["2相工作"]
P["中载(30-70%)"] --> Q["4相工作"]
R["重载(70-100%)"] --> S["4相+过载保护"]
T["瞬态响应(<1μs)"] --> U["相位交错优化"]
end
style C1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style C2 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载点配电拓扑详图
graph LR
subgraph "智能配电开关网络"
A["12V配电总线"] --> B["VBC7P3017阵列"]
subgraph B ["多路负载开关"]
direction TB
B1["通道1: PCIe插槽管理"]
B2["通道2: NVMe阵列管理"]
B3["通道3: 内存电源管理"]
B4["通道4: 风扇控制"]
B5["通道5: 辅助芯片供电"]
B6["通道6: 扩展槽电源"]
end
B1 --> C["PCIe Gen4/5设备"]
B2 --> D["NVMe硬盘阵列"]
B3 --> E["DDR5内存模块"]
B4 --> F["风扇阵列PWM控制"]
B5 --> G["管理芯片组"]
B6 --> H["扩展卡插槽"]
subgraph "控制逻辑与序列"
I["主控MCU"] --> J["电源序列控制器"]
J --> K["使能信号分配"]
K --> B1
K --> B2
K --> B3
K --> B4
L["负载检测电路"] --> I
M["故障反馈"] --> I
end
subgraph "保护功能集成"
N["过流保护"] --> B1
O["缓启动控制"] --> B1
P["热插拔支持"] --> B1
Q["故障隔离"] --> B1
end
end
style B1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style B2 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
三级热管理架构拓扑详图
graph TB
subgraph "三级散热系统架构"
subgraph "一级: 液冷/强风冷"
A["液冷冷板"] --> B["VRM MOSFET阵列"]
C["高齿密散热器"] --> B
D["导热凝胶界面"] --> B
E["液冷泵"] --> A
end
subgraph "二级: 强制风冷"
F["系统风道设计"] --> G["高压MOSFET散热片"]
F --> H["LLC变压器散热"]
I["定向气流导流"] --> G
end
subgraph "三级: PCB导热与自然散热"
J["3oz厚铜PCB"] --> K["负载开关IC"]
L["散热过孔阵列"] --> K
M["接地层散热"] --> K
N["系统气流辅助"] --> K
end
subgraph "温度监控网络"
O["数字温度传感器(TS)"] --> P["MCU温度监控"]
Q["NTC热敏电阻阵列"] --> P
R["红外热成像点"] --> P
P --> S["智能温控算法"]
S --> T["动态散热策略"]
T --> E
T --> F
T --> I
end
end
subgraph "热设计与布局优化"
U["功率器件紧凑排列"] --> V["热源集中管理"]
W["热仿真验证"] --> X["热阻计算模型"]
Y["结温监控: Tj < 125℃"] --> Z["可靠性设计"]
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style A fill:#e0f2f1,stroke:#009688,stroke-width:2px
点击下载：VBM17R12规格书
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