graph LR
subgraph "核心计算单元电源管理"
A["12V/24V主电源"] --> B[输入滤波]
B --> C["VBQF2314 P-MOSFET \n 主电源开关"]
C --> D[输出滤波]
D --> E["AI计算核心 \n (峰值电流>30A)"]
F["MCU控制信号"] --> G["专用驱动IC \n (高驱动能力)"]
G --> H["电平转换与缓冲"]
H --> C
I["电流检测电路"] --> J["过流保护"]
J --> K["故障锁存器"]
K --> L["关断信号"]
L --> C
end
subgraph "PCB热设计"
M["大面积散热焊盘"] --> C
N["散热过孔阵列"] --> M
O["温度传感器"] --> P["MCU ADC"]
P --> Q["动态功率管理"]
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
分布式传感器驱动拓扑详图
graph TB
subgraph "MCU直接驱动通道"
A["MCU GPIO (3.3V)"] --> B["22Ω栅极电阻"]
B --> C["VBTA161KS N-MOSFET"]
C --> D["传感器负载"]
D --> E[地]
F["5V传感器电源"] --> G["电源去耦"]
G --> C
end
subgraph "感性负载驱动通道"
H["MCU GPIO (3.3V)"] --> I["栅极驱动电路"]
I --> J["VBTA161KS N-MOSFET"]
J --> K["继电器/蜂鸣器"]
K --> L["续流二极管"]
L --> M["电源VCC"]
N["12V执行器电源"] --> K
end
subgraph "长线缆接口保护"
O["传感器端口"] --> P["串联磁珠"]
P --> Q["ESD保护TVS"]
Q --> R["VBTA161KS N-MOSFET"]
R --> S["到MCU ADC"]
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
安全隔离与冗余切换拓扑详图
graph LR
subgraph "高侧P-MOS驱动电路"
A["MCU GPIO (3.3V)"] --> B["NPN电平转换"]
B --> C["VBC7P3017 P-MOSFET"]
D["12V/24V电源"] --> E["输入滤波"]
E --> C
C --> F["关键安全负载"]
G["负载返回地"] --> H["电流检测电阻"]
H --> I["比较器与锁存"]
end
subgraph "电源冗余切换系统"
J["主电源输入"] --> K["电压检测1"]
L["备份电源输入"] --> M["电压检测2"]
K --> N["冗余切换控制器"]
M --> N
N --> O["VBC7P3017 \n 主电源开关"]
N --> P["VBC7P3017 \n 备份电源开关"]
O --> Q["共同输出"]
P --> Q
Q --> R["关键电路供电"]
end
subgraph "安全互锁设计"
S["安全信号1"] --> T["与门逻辑"]
U["安全信号2"] --> T
T --> V["使能控制"]
V --> W["双MOSFET串联"]
W --> X["安全执行机构"]
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style O fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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