graph LR
subgraph "多相降压转换器"
A["24V/48V输入"] --> B["输入电容"]
B --> C["VBGQF1806 \n 主开关MOSFET"]
C --> D["功率电感"]
D --> E["输出电容阵列"]
E --> F["GPU核心供电 \n 0.8V-1.8V"]
G["多相控制器"] --> H["栅极驱动器"]
H --> C
I["电流检测"] --> G
J["电压反馈"] --> G
end
subgraph "热管理"
K["PCB散热过孔"] --> C
L["内层铜箔"] --> K
M["温度传感器"] --> N["PWM控制器"]
N --> O["散热风扇"]
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能照明驱动拓扑详图
graph TB
subgraph "PWM调光控制"
A["FPGA/MCU"] --> B["PWM信号"]
B --> C["电平转换电路"]
C --> D["VBQF2314栅极"]
D --> E["VBQF2314 \n P-MOSFET \n 高侧开关"]
E --> F["恒流驱动IC"]
F --> G["LED阵列 \n 大功率光源"]
H["光强传感器"] --> I["反馈电路"]
I --> A
end
subgraph "EMI抑制"
J["输入滤波电容"] --> E
K["RC吸收电路"] --> E
L["屏蔽线缆"] --> G
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
外围接口管理拓扑详图
graph LR
subgraph "双路负载开关通道"
A["MCU GPIO"] --> B["栅极电阻"]
B --> C["VBQD3222U \n CH1栅极"]
C --> D["VBQD3222U CH1 \n 20V/6A N-MOS"]
E["12V辅助电源"] --> F["保险丝"]
F --> D
D --> G["传感器接口 \n 5V/12V"]
G --> H["工业相机/传感器"]
I["故障检测"] --> J["比较器"]
J --> A
end
subgraph "保护电路"
K["TVS阵列"] --> G
L["ESD保护"] --> C
M["热插拔缓冲"] --> D
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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