graph LR
subgraph "主轮电机H桥驱动"
A[主电源总线] --> B["VBQF1202(Q1) \n 高侧上管"]
A --> C["VBQF1202(Q2) \n 高侧下管"]
B --> D[电机节点A]
C --> E[电机节点B]
D --> F["VBQF1202(Q3) \n 低侧上管"]
E --> G["VBQF1202(Q4) \n 低侧下管"]
F --> H[GND]
G --> H
D --> I[主轮无刷电机]
E --> I
J[FOC控制器] --> K[栅极驱动器]
K --> B
K --> C
K --> F
K --> G
end
subgraph "边刷电机半桥驱动"
L[主电源总线] --> M["VBQF1202(Q5) \n 高侧开关"]
M --> N[边刷电机]
N --> O["VBQF1202(Q6) \n 低侧开关"]
O --> P[GND]
Q[PWM控制器] --> R[半桥驱动器]
R --> M
R --> O
end
subgraph "滚刷电机控制"
S[主电源总线] --> T["VBQF1202(Q7) \n 功率开关"]
T --> U[滚刷电机]
U --> V[GND]
W[调速控制器] --> X[单管驱动器]
X --> T
end
subgraph "吸尘风机驱动"
Y[主电源总线] --> Z["VBQF1202(Q8) \n 风机开关"]
Z --> AA[吸尘风机]
AA --> AB[GND]
AC[风机控制器] --> AD[驱动器]
AD --> Z
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style M fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style T fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Z fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电源管理与负载切换拓扑详图
graph TB
subgraph "智能负载开关矩阵"
A[主电源总线] --> B["VBC7P3017(IC1) \n 激光雷达电源开关"]
A --> C["VBC7P3017(IC2) \n 主控板电源开关"]
A --> D["VBC7P3017(IC3) \n 传感器电源开关"]
A --> E["VBC7P3017(IC4) \n 扬声器电源开关"]
B --> F[激光雷达模块]
C --> G[主控处理器]
D --> H[传感器阵列]
E --> I[音频扬声器]
J[主控MCU] --> K[GPIO控制信号]
K --> B
K --> C
K --> D
K --> E
end
subgraph "信号通路切换网络"
subgraph "VBC8338-1 充电控制"
direction LR
L[MCU_CTRL1] --> M["VBC8338(IC5) \n N+P通道"]
N[充电触点+] --> M
O[充电触点-] --> M
M --> P[充电管理IC]
end
subgraph "VBC8338-2 传感器切换"
direction LR
Q[MCU_CTRL2] --> R["VBC8338(IC6) \n N+P通道"]
S[前碰撞传感器] --> R
T[侧碰撞传感器] --> R
R --> U[ADC输入]
end
subgraph "VBC8338-3 按键矩阵"
direction LR
V[MCU_ROW] --> W["VBC8338(IC7) \n N+P通道"]
W --> X[按键列线]
end
subgraph "VBC8338-4 指示灯控制"
direction LR
Y[MCU_PWM] --> Z["VBC8338(IC8) \n N+P通道"]
Z --> AA[状态LED]
end
end
subgraph "时序管理逻辑"
AB[工作模式] --> AC["电源时序控制器"]
AC --> AD["上电序列: \n 1. 主控板 \n 2. 传感器 \n 3. 激光雷达 \n 4. 电机"]
AC --> AE["下电序列: \n 1. 电机 \n 2. 激光雷达 \n 3. 传感器 \n 4. 主控板"]
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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