graph TB
subgraph "高压IGBT驱动电路"
A["高压母线 \n 400V/800V"] --> B["EMI滤波与保护"]
B --> C["直流母线电容"]
C --> D["VBPB165I80 IGBT \n 集电极"]
subgraph "IGBT驱动模块"
E["专用驱动芯片"] --> F["正压驱动 \n +15V"]
E --> G["负压关断 \n -5V"]
E --> H["门极电阻 \n Rg优化"]
end
D --> I["VBPB165I80 IGBT \n 发射极"]
I --> J["感性负载 \n 冷却水泵"]
K["驱动控制信号"] --> E
subgraph "保护电路"
L["RC吸收网络 \n 集电极-发射极"]
M["电流检测 \n 与过流保护"]
N["温度传感器 \n NTC"]
end
L --> D
M --> I
N --> D
J --> O["机械负载"]
end
subgraph "冗余电源切换"
P["主电源"] --> Q["VBPB165I80 \n IGBT开关1"]
R["备份电源"] --> S["VBPB165I80 \n IGBT开关2"]
Q --> T["线控系统电源"]
S --> T
U["冗余控制器"] --> Q
U --> S
V["电源状态监测"] --> U
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
高效DC-DC转换拓扑详图
graph LR
subgraph "48V-12V同步降压转换器"
A["48V输入"] --> B["输入滤波电容"]
B --> C["VBGQE11506 \n 高侧MOSFET"]
C --> D["开关节点"]
D --> E["VBGQE11506 \n 低侧MOSFET"]
E --> F["地"]
D --> G["功率电感"]
G --> H["输出电容"]
H --> I["12V输出"]
subgraph "控制与驱动"
J["高频控制器"] --> K["驱动器"]
K --> C
K --> E
L["电流检测"] --> J
M["电压反馈"] --> J
end
subgraph "布局优化"
N["Kelvin连接 \n 驱动回路"]
O["紧凑功率回路 \n 减小寄生电感"]
P["大面积敷铜 \n 散热"]
end
end
subgraph "计算平台供电架构"
Q["5V输出"] --> R["AI计算单元"]
Q --> S["多核域控制器"]
Q --> T["传感器融合单元"]
subgraph "多相并联"
U["相位1: VBGQE11506"]
V["相位2: VBGQE11506"]
W["相位3: VBGQE11506"]
end
X["均流控制"] --> U
X --> V
X --> W
Y["温度均衡"] --> U
Y --> V
Y --> W
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style U fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
传感器电源管理拓扑详图
graph TB
subgraph "互补MOSFET负载开关"
A["VBQA5325 \n 双N+P MOSFET"]
subgraph "内部结构"
direction LR
B["P-MOSFET \n 栅极"]
C["P-MOSFET \n 源极"]
D["P-MOSFET \n 漏极"]
E["N-MOSFET \n 栅极"]
F["N-MOSFET \n 源极"]
G["N-MOSFET \n 漏极"]
end
H["12V辅助电源"] --> C
D --> I["负载输出"]
J["MCU GPIO"] --> K["电平转换"]
K --> B
K --> E
F --> L["地"]
I --> M["传感器模块"]
subgraph "时序控制"
N["上电时序控制"]
O["软启动电路"]
P["热插拔保护"]
end
N --> K
O --> I
P --> M
end
subgraph "传感器阵列电源管理"
Q["激光雷达"] --> R["VBQA5325开关1"]
S["摄像头"] --> T["VBQA5325开关2"]
U["毫米波雷达"] --> V["VBQA5325开关3"]
W["MCU控制"] --> X["电源序列控制器"]
X --> R
X --> T
X --> V
Y["电流监测"] --> W
Z["故障诊断"] --> W
end
subgraph "同步Buck/Boost电路"
AA["输入电源"] --> AB["VBQA5325 N管"]
AA --> AC["VBQA5325 P管"]
AB --> AD["电感"]
AC --> AD
AD --> AE["输出电容"]
AE --> AF["稳压输出"]
AG["PWM控制器"] --> AB
AG --> AC
end
style A fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style R fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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