graph LR
subgraph "P-MOS高侧智能开关通道"
A["机载电源 \n 24V/48V"] --> B["输入滤波 \n TVS保护"]
B --> C["VBI2658 \n 源极(S)"]
C --> D["VBI2658 \n 漏极(D)"]
D --> E["传感器电源输出"]
F["MCU控制信号"] --> G["电平转换 \n GPIO缓冲"]
G --> H["VBI2658 \n 栅极(G)"]
E --> I["传感器模组负载"]
I --> J["电源地"]
subgraph "保护电路"
K["输出TVS \n 浪涌吸收"]
L["软启动 \n RC网络"]
end
E --> K
G --> L
end
subgraph "多路传感器独立管理"
direction TB
M["MCU控制逻辑"] --> N["通道1使能"]
M --> O["通道2使能"]
M --> P["通道3使能"]
N --> Q["VBI2658_1"]
O --> R["VBI2658_2"]
P --> S["VBI2658_3"]
Q --> T["振动传感器"]
R --> U["温湿度传感器"]
S --> V["气体传感器"]
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
计算核心PoL供电拓扑详图
graph TB
subgraph "多相Buck同步整流架构"
A["输入电压 \n 24V/48V"] --> B["输入电容阵列"]
B --> C["上管开关节点"]
subgraph "同步整流下管阵列"
D["VBQF1402 \n Phase1"]
E["VBQF1402 \n Phase2"]
F["VBQF1402 \n Phase3"]
end
C --> D
C --> E
C --> F
D --> G["输出电感1"]
E --> H["输出电感2"]
F --> I["输出电感3"]
G --> J["输出电容组"]
H --> J
I --> J
J --> K["核心电压 \n 1.0V/1.8V"]
subgraph "数字控制与驱动"
L["数字多相控制器"] --> M["栅极驱动器阵列"]
M --> D
M --> E
M --> F
N["电流检测"] --> L
O["电压反馈"] --> L
end
K --> O
end
subgraph "动态功率管理"
P["处理器负载检测"] --> Q["动态相位控制"]
Q --> L
R["温度监控"] --> S["频率调节"]
S --> L
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
高速接口智能管理拓扑详图
graph LR
subgraph "双N-MOS集成电源开关"
A["辅助电源 \n 5V/3.3V"] --> B["VBQF3211 \n 漏极1(D1)"]
B --> C["VBQF3211 \n 源极1(S1)"]
C --> D["接口电源输出"]
E["MCU使能信号"] --> F["VBQF3211 \n 栅极1(G1)"]
subgraph "热插拔与保护"
G["电流检测电阻"]
H["比较器与锁存"]
I["软启动控制"]
end
D --> G
G --> H
H --> J["故障关断"]
J --> F
E --> I
I --> F
end
subgraph "信号路径隔离保护"
K["高速数据线"] --> L["VBQF3211 \n 漏极2(D2)"]
L --> M["VBQF3211 \n 源极2(S2)"]
M --> N["主控端接口"]
O["隔离控制信号"] --> P["VBQF3211 \n 栅极2(G2)"]
subgraph "ESD与过压保护"
Q["TVS二极管阵列"]
R["RC滤波网络"]
end
K --> Q
M --> R
end
subgraph "多接口并行管理"
direction TB
S["MCU接口管理单元"] --> T["以太网通道"]
S --> U["USB3.0通道"]
S --> V["CAN FD通道"]
T --> W["VBQF3211_1"]
U --> X["VBQF3211_2"]
V --> Y["VBQF3211_3"]
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style W fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBI2658规格书
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