graph LR
subgraph "多相VRM单相拓扑"
A[12V输入] --> B[输入陶瓷电容]
B --> C[高频功率电感]
C --> D[上管开关节点]
D --> E["VBGE1402 \n 上管MOSFET"]
E --> F["VBGE1402 \n 下管MOSFET"]
F --> G[功率地]
D --> H[输出滤波电容]
H --> I[CPU核心电压]
subgraph "栅极驱动与保护"
J[PWM控制器] --> K[栅极驱动器]
K --> E
K --> F
L[电流采样] --> M[过流比较器]
M --> N[故障锁存]
N --> O[关断信号]
O --> K
P[温度传感器] --> Q[过温保护]
Q --> O
end
I --> R[CPU负载]
end
subgraph "多相并联与均流"
S[12V总线] --> T["相位1"]
S --> U["相位2"]
S --> V["相位3"]
S --> W["...相位N"]
T --> X[并联输出节点]
U --> X
V --> X
W --> X
X --> Y[核心电压输出]
subgraph "交错相位控制"
Z[主控制器] --> AA[相位1 PWM]
Z --> AB[相位2 PWM]
Z --> AC[相位3 PWM]
Z --> AD[相位N PWM]
AA --> T
AB --> U
AC --> V
AD --> W
end
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
分布式电源管理拓扑详图
graph TB
subgraph "集成负载开关通道"
A[12V输入] --> B["VBQF3638 \n 通道1"]
A --> C["VBQF3638 \n 通道2"]
subgraph B ["VBQF3638 内部结构"]
direction LR
IN1[IN1]
EN1[EN1]
G1[GATE1]
S1[SOURCE1]
D1[DRAIN1]
end
subgraph C ["VBQF3638 内部结构"]
direction LR
IN2[IN2]
EN2[EN2]
G2[GATE2]
S2[SOURCE2]
D2[DRAIN2]
end
B --> D[5V DC-DC转换器]
C --> E[3.3V DC-DC转换器]
D --> F[5V输出]
E --> G[3.3V输出]
F --> H[SSD存储设备]
G --> I[DDR内存模块]
end
subgraph "冗余与负载均流"
J[主12V输入] --> K["VBQF3638 A"]
J --> L["VBQF3638 B"]
K --> M[公共输出节点]
L --> M
M --> N[关键负载]
O[故障检测电路] --> P[切换控制]
P --> K
P --> L
end
subgraph "保护电路"
Q[输出过流检测] --> R[比较器]
R --> S[快速关断]
S --> T["VBQF3638 EN引脚"]
U[热关断] --> V[温度传感器]
V --> S
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
三级热管理拓扑详图
graph LR
subgraph "一级热管理: 核心供电液冷"
A[液冷泵] --> B[分配歧管]
B --> C[CPU冷板]
B --> D[VRM MOSFET冷板]
C --> E[散热排]
D --> E
E --> F[冷却液箱]
F --> A
G[温度传感器1] --> H[BMC]
H --> I[泵速PWM控制]
I --> A
end
subgraph "二级热管理: 辅助系统风冷"
J[系统风扇] --> K[定向风道]
K --> L[辅助电源MOSFET]
K --> M[总线开关IC]
K --> N[内存模块]
O[温度传感器2] --> H
H --> P[风扇PWM控制]
P --> J
end
subgraph "三级热管理: PCB导热设计"
Q["VBGE1402 MOSFET"] --> R[散热过孔阵列]
S["VBQF3638 IC"] --> T[热焊盘]
U["VBM2102M MOSFET"] --> V[敷铜区域]
R --> W[内部接地层]
T --> W
V --> W
W --> X[机箱散热]
end
subgraph "温度监控网络"
Y["NTC传感器阵列"] --> Z[ADC多路复用器]
Z --> H
subgraph H ["BMC温度管理"]
direction TB
TEMP_MON[温度监测]
FAN_CTRL[风扇控制]
PUMP_CTRL[泵控制]
ALARM[报警逻辑]
end
H --> AA[PMBus遥测]
AA --> AB[远程监控]
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style S fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
点击下载：VBQF3638规格书
中文
English
