graph LR
subgraph "升压转换器(Boost)"
A[电池输入3-12V] --> B[输入滤波电容]
B --> C[升压电感]
C --> D[开关节点]
D --> E["VBGQF1208N \n 主开关管"]
E --> F[地]
G[输出二极管] --> H[输出滤波电容]
H --> I[高压输出12-24V]
D --> G
J[升压控制器] --> K[栅极驱动器]
K --> E
I -->|电压反馈| J
subgraph "保护电路"
L[输入TVS管]
M[输出TVS阵列]
N[电流检测电阻]
end
L --> A
M --> I
N --> E
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电机驱动H桥拓扑详图
graph TB
subgraph "H桥电机驱动器"
A[电机驱动电源] --> B[上桥臂节点1]
A --> C[上桥臂节点2]
subgraph "高侧开关"
Q_HS1["VBC6N2022 \n Channel 1"]
Q_HS2["VBC6N2022 \n Channel 2"]
end
subgraph "低侧开关"
Q_LS1["VBC6N2022 \n Channel 1"]
Q_LS2["VBC6N2022 \n Channel 2"]
end
B --> Q_HS1
C --> Q_HS2
Q_HS1 --> D[电机节点A]
Q_HS2 --> E[电机节点B]
Q_LS1 --> F[地]
Q_LS2 --> F
D --> Q_LS1
E --> Q_LS2
D --> G[锁体电机]
E --> G
H[电机驱动IC] --> I[高侧驱动]
H --> J[低侧驱动]
I --> Q_HS1
I --> Q_HS2
J --> Q_LS1
J --> Q_LS2
subgraph "保护网络"
K[续流二极管1]
L[续流二极管2]
M[RC吸收电路]
N[电流检测]
end
K --> D
L --> E
M --> D
M --> E
N --> F
end
style Q_HS1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_LS1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载管理拓扑详图
graph LR
subgraph "Wi-Fi模块电源路径"
A[3.3V系统电源] --> B["VB1317负载开关"]
B --> C[输出滤波]
C --> D[Wi-Fi模块]
E[MCU GPIO] --> F[电平转换]
F --> G[栅极驱动]
G --> B
subgraph "保护电路"
H[TVS管]
I[滤波电容]
J[软启动电容]
end
H --> D
I --> C
J --> B
end
subgraph "显示屏电源路径"
K[3.3V系统电源] --> L["VB1317负载开关"]
L --> M[输出滤波]
M --> N[显示屏]
O[MCU GPIO] --> P[电平转换]
P --> Q[栅极驱动]
Q --> L
subgraph "时序控制"
R[上电时序]
S[关断延迟]
end
R --> L
S --> L
end
subgraph "摄像头电源路径"
T[高压电源12V] --> U["VB1317负载开关"]
U --> V[LDO稳压器]
V --> W[摄像头模块]
X[MCU GPIO] --> Y[电平转换]
Y --> Z[栅极驱动]
Z --> U
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style U fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBC6N2022规格书
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