graph LR
subgraph "车载高压输入处理"
A["车辆电池 \n 24V/48V"] --> B["TVS阵列 \n 抛负载防护"]
B --> C["EMI滤波器 \n CISPR25"]
C --> D["输入电容"]
D --> E["高压开关节点"]
E --> F["VBL17R05SE \n 700V/5A"]
F --> G["隔离变压器 \n 初级"]
G --> H["初级地"]
I["隔离控制器"] --> J["栅极驱动器 \n AEC-Q101"]
J --> F
end
subgraph "隔离DC-DC转换"
G --> K["隔离变压器 \n 次级"]
K --> L["同步整流桥"]
L --> M["中间母线 \n 12V/24V"]
M --> N["母线电容"]
N --> O["负载分配"]
P["同步整流控制器"] --> Q["同步整流驱动"]
Q --> L
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
核心处理器供电拓扑详图
graph TB
subgraph "多相Buck转换器"
A["中间母线 \n 12V/24V"] --> B["输入电容"]
B --> C["开关节点"]
C --> D["VBPB15R47S \n 500V/47A"]
D --> E["输出电感"]
E --> F["输出电容"]
F --> G["CPU核心电源 \n 0.8-1.2V"]
C --> H["VBPB15R47S \n 同步整流"]
H --> I["开关节点返回"]
J["多相控制器"] --> K["栅极驱动器 \n DrMOS兼容"]
K --> D
K --> H
G --> L["CPU/GPU负载 \n 数十至百安培"]
end
subgraph "电流采样与监控"
M["电流检测电阻"] --> N["差分放大器"]
N --> O["ADC转换"]
O --> P["MCU/DSP"]
P --> Q["动态调频调相"]
P --> R["过流保护"]
end
subgraph "热管理接口"
S["温度传感器"] --> T["PWM控制器"]
T --> U["风扇/泵控制"]
U --> V["散热系统"]
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载管理拓扑详图
graph LR
subgraph "双N+P沟道负载开关"
A["MCU GPIO"] --> B["电平转换器"]
B --> C["VBQF5325输入 \n Gate_N"]
B --> D["VBQF5325输入 \n Gate_P"]
subgraph E ["VBQF5325内部结构"]
direction TB
F["N-MOSFET \n 30V/8A"]
G["P-MOSFET \n 30V/-6A"]
H["公共源极"]
I["漏极1"]
J["漏极2"]
end
C --> F
D --> G
POWER_RAIL["电源轨 \n 3.3V/5V/12V"] --> I
POWER_RAIL --> J
H --> K["负载输出"]
K --> L["负载设备"]
end
subgraph "电平转换应用"
M["低压域IO \n 1.8V/3.3V"] --> N["VBQF5325 \n 作为电平转换"]
N --> O["高压域IO \n 5V/12V"]
P["双向通信"] --> Q["VBQF5325桥接"]
Q --> R["不同电压域"]
end
subgraph "时序管理与诊断"
S["MCU/BMC"] --> T["电源序列控制"]
T --> U["软启动电路"]
U --> V["负载开关"]
W["故障检测"] --> X["过流保护"]
X --> Y["自动关断"]
Z["状态反馈"] --> S
end
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style N fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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