graph LR
subgraph "单相降压功率级"
A["12V输入"] --> B[输入滤波电容]
B --> C["上桥MOSFET \n VBPB1202N"]
C --> D[开关节点]
D --> E[功率电感]
E --> F[输出滤波电容]
F --> G["CPU VCC \n 0.8-1.5V"]
D --> H["下桥MOSFET \n VBPB1202N"]
H --> I[功率地]
J[栅极驱动器] --> C
J --> H
end
subgraph "多相控制器与交错工作"
K[数字多相控制器] --> L[相位1 PWM]
K --> M[相位2 PWM]
K --> N[相位n PWM]
L --> O[驱动器1]
M --> P[驱动器2]
N --> Q[驱动器n]
O --> C
P --> R["上桥MOSFET \n 相位2"]
Q --> S["上桥MOSFET \n 相位n"]
subgraph "动态相位管理"
T[负载电流] --> U[相位数量控制]
V[温度监测] --> W[频率调整]
X[效率优化] --> Y[自适应电压定位]
end
U --> K
W --> K
Y --> K
end
subgraph "保护与监控电路"
Z1[过流保护] --> Z2[比较器]
Z3[过压保护] --> Z2
Z4[欠压保护] --> Z2
Z2 --> Z5[故障锁存]
Z5 --> Z6[关断信号]
Z6 --> J
AA[温度传感器] --> AB[ADC]
AB --> K
AC[电流检测] --> AD[差分放大器]
AD --> K
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
12V输入级与保护拓扑详图
graph TB
subgraph "冗余输入与切换电路"
A["PSU1 12V输出"] --> B["输入MOSFET \n VBM15R14S"]
C["PSU2 12V输出"] --> D["输入MOSFET \n VBM15R14S"]
B --> E[ORing二极管]
D --> E
E --> F[12V主母线]
subgraph "热插拔控制"
G[热插拔控制器] --> H["电流检测放大器"]
H --> I["栅极驱动器"]
I --> B
I --> D
end
end
subgraph "保护电路网络"
J["TVS阵列 \n 浪涌抑制"] --> F
K["输入滤波 \n LC网络"] --> F
L["过压保护"] --> M[比较器]
N["欠压锁定"] --> M
O["过流保护"] --> P[电流检测]
P --> M
M --> Q[保护逻辑]
Q --> R[关断控制]
R --> I
end
subgraph "电源排序与监控"
S[电源序列控制器] --> T[使能信号1]
S --> U[使能信号2]
T --> V[VRM使能]
U --> W[POL使能]
X[电压监控] --> Y[ADC]
Z[电流监控] --> AA[差分放大器]
Y --> AB[BMC接口]
AA --> AB
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
负载点与辅助电源管理拓扑详图
graph LR
subgraph "POL降压转换器"
A["12V输入"] --> B["POL控制器"]
B --> C["上桥MOSFET"]
C --> D[开关节点]
D --> E[功率电感]
E --> F[输出电容]
F --> G["1.8V/3.3V/5V输出"]
D --> H["下桥MOSFET"]
H --> I[地]
subgraph "多路输出"
G --> J["1.8V内存电源"]
G --> K["3.3VIO电源"]
G --> L["5V外设电源"]
end
end
subgraph "智能负载开关通道"
M["VBA2101M \n P-MOSFET"] --> N["负载电源输出"]
O["12V辅助电源"] --> M
P[GPIO控制] --> Q[电平转换器]
Q --> R["VBA2101M栅极"]
subgraph "多路负载管理"
N --> S[风扇集群]
N --> T[硬盘背板]
N --> U[PCIe设备]
N --> V[其他外设]
end
end
subgraph "电源序列与故障管理"
W[电源序列控制器] --> X[使能信号1]
W --> Y[使能信号2]
W --> Z[使能信号n]
X --> B
Y --> R
Z --> AA[其他POL]
AB[故障检测] --> AC[过流保护]
AD[热保护] --> AE[温度传感器]
AF[状态反馈] --> AG[BMC通信]
AC --> AH[关断逻辑]
AE --> AH
AH --> R
AH --> B
end
style M fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
三级热管理与保护拓扑详图
graph TB
subgraph "三级散热系统架构"
A["一级: VRM强制散热"] --> B["风冷散热器"]
A --> C["液冷板(可选)"]
B --> D["VBPB1202N MOSFET"]
C --> D
E["二级: 输入级被动散热"] --> F["系统风道设计"]
F --> G["小型散热片"]
G --> H["VBM15R14S MOSFET"]
I["三级: 板载自然散热"] --> J["PCB敷铜平面"]
J --> K["散热过孔阵列"]
K --> L["VBA2101M负载开关"]
end
subgraph "温度监测网络"
M["NTC温度传感器1"] --> N["VRM MOSFET附近"]
O["NTC温度传感器2"] --> P["输入MOSFET附近"]
Q["NTC温度传感器3"] --> R["POL区域"]
S["NTC温度传感器4"] --> T["环境温度"]
N --> U[ADC多路复用器]
P --> U
R --> U
T --> U
U --> V[BMC温度监控]
end
subgraph "动态散热控制"
V --> W["风扇PWM控制"]
V --> X["泵速控制(液冷)"]
V --> Y["功率降额策略"]
W --> Z["风扇速度调整"]
X --> AA["液冷流量调整"]
Y --> AB["频率/电压调节"]
Z --> B
AA --> C
AB --> D
end
subgraph "热保护电路"
AC["温度阈值比较器"] --> AD["过温保护"]
AE["温度变化率检测"] --> AF["预警系统"]
AD --> AG["关断信号"]
AF --> AH["预警信号"]
AG --> AI["功率级关断"]
AH --> AJ[BMC告警]
AI --> D
AI --> H
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style H fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
点击下载：VBM15R14S规格书
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