graph LR
subgraph "48V-12V SiC DC/DC转换器"
A["48V直流输入"] --> B["输入滤波电容"]
B --> C["SiC半桥拓扑"]
subgraph C ["SiC MOSFET半桥"]
direction LR
Q_H["VBP112MC60 \n 高侧开关"]
Q_L["VBP112MC60 \n 低侧开关"]
end
A --> Q_H
Q_H --> D["开关节点"]
D --> Q_L
Q_L --> E[功率地]
D --> F["高频变压器 \n 或耦合电感"]
F --> G["同步整流"]
subgraph G ["同步整流MOSFET"]
direction LR
Q_SR1["同步整流管1"]
Q_SR2["同步整流管2"]
end
G --> H["输出滤波"]
H --> I["12V直流输出"]
J["数字控制器"] --> K["SiC栅极驱动器"]
K --> Q_H
K --> Q_L
I -->|电压反馈| J
end
subgraph "热管理与保护"
L["液冷冷板"] --> Q_H
L --> Q_L
M["温度传感器"] --> J
N["电流检测"] --> J
O["RC缓冲电路"] --> Q_H
O --> Q_L
end
style Q_H fill:#e1f5fe,stroke:#0288d1,stroke-width:2px
style Q_L fill:#e1f5fe,stroke:#0288d1,stroke-width:2px
多相VRM拓扑详图
graph TB
subgraph "12V-1V多相VRM"
A["12V输入"] --> B["输入电容阵列"]
B --> C["多相控制器"]
subgraph "相位1"
D1["VBL1105 \n 高侧MOSFET"]
E1["VBL1105 \n 低侧MOSFET"]
F1["驱动电感"]
G1["输出电容"]
end
subgraph "相位2"
D2["VBL1105 \n 高侧MOSFET"]
E2["VBL1105 \n 低侧MOSFET"]
F2["驱动电感"]
G2["输出电容"]
end
subgraph "相位3"
D3["VBL1105 \n 高侧MOSFET"]
E3["VBL1105 \n 低侧MOSFET"]
F3["驱动电感"]
G3["输出电容"]
end
C --> H1["相位1驱动器"]
C --> H2["相位2驱动器"]
C --> H3["相位3驱动器"]
H1 --> D1
H1 --> E1
H2 --> D2
H2 --> E2
H3 --> D3
H3 --> E3
D1 --> I1["开关节点1"]
D2 --> I2["开关节点2"]
D3 --> I3["开关节点3"]
I1 --> E1
I2 --> E2
I3 --> E3
I1 --> F1
I2 --> F2
I3 --> F3
F1 --> J["并联输出"]
F2 --> J
F3 --> J
J --> K["输出滤波网络"]
K --> L["1.0V-1.2V输出"]
L --> M["AI芯片电源引脚"]
E1 --> N[功率地]
E2 --> N
E3 --> N
end
subgraph "动态相位管理"
O["负载电流检测"] --> C
C --> P["相数动态调整逻辑"]
P --> Q["相位启用/禁用控制"]
Q --> H1
Q --> H2
Q --> H3
end
subgraph "VRM热管理"
R["嵌入式热管"] --> D1
R --> E1
S["PCB厚铜层"] --> D2
S --> E2
T["导热过孔阵列"] --> D3
T --> E3
end
style D1 fill:#f3e5f5,stroke:#7b1fa2,stroke-width:2px
style E1 fill:#f3e5f5,stroke:#7b1fa2,stroke-width:2px
智能液冷系统拓扑详图
graph LR
subgraph "液冷循环系统"
A["冷却液入口"] --> B["分配歧管"]
B --> C["CPU/GPU冷头"]
B --> D["功率器件冷板"]
C --> E["热交换回路"]
D --> E
E --> F["液冷泵"]
F --> G["散热器/冷排"]
G --> H["冷却液出口"]
I["补液罐"] --> F
end
subgraph "泵与风扇智能控制"
J["主控MCU"] --> K["温度采集电路"]
L["芯片结温传感器"] --> K
M["液冷管路温度"] --> K
N["环境温度"] --> K
J --> O["PWM控制逻辑"]
O --> P["泵驱动器"]
O --> Q["风扇驱动器"]
P --> R["VBA1420 \n 泵驱动MOSFET"]
Q --> S["VBA1420 \n 风扇驱动MOSFET"]
R --> F
S --> T["系统风扇阵列"]
end
subgraph "故障检测与保护"
U["流量传感器"] --> J
V["压力传感器"] --> J
W["泵电流检测"] --> J
X["堵转检测电路"] --> J
J --> Y["故障判断逻辑"]
Y --> Z["保护动作"]
Z -->|泵降速| P
Z -->|风扇全速| Q
Z -->|功率降额| AA["功率管理器"]
end
subgraph "三级散热路径"
AB["一级: 直接液冷"] --> D
AC["二级: 间接液冷"] --> AD["PCB导热"]
AE["三级: 风液协同"] --> T
AF["液冷排出空气"] --> AE
end
style R fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style S fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
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