graph LR
subgraph "H桥电机驱动电路"
A["24V电源总线"] --> B["输入滤波电容"]
B --> C["H桥拓扑"]
subgraph C ["全桥MOSFET阵列"]
direction TB
Q1["VBQF1206 \n (上桥臂1)"]
Q2["VBQF1206 \n (下桥臂1)"]
Q3["VBQF1206 \n (上桥臂2)"]
Q4["VBQF1206 \n (下桥臂2)"]
end
C --> D["电机端子"]
D --> E["直流有刷/无刷电机"]
F["电机驱动器IC"] --> G["栅极驱动电路"]
G --> Q1
G --> Q2
G --> Q3
G --> Q4
H["MCU PWM信号"] --> F
I["电流检测电阻"] --> J["运放调理电路"]
J --> F
end
subgraph "保护与滤波"
K["MLCC吸收电容"] --> L["MOSFET漏源极"]
M["TVS保护管"] --> N["电源输入端"]
O["屏蔽线缆"] --> E
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
感知系统供电拓扑详图
graph TB
subgraph "传感器电源路径管理"
A["12V主电源"] --> B["电源分配节点"]
B --> C["VBBC1309 MOSFET开关"]
C --> D["LC滤波网络"]
D --> E["传感器电源输出"]
E --> F["激光雷达模块"]
E --> G["高清相机模块"]
E --> H["超声波传感器"]
I["PMIC/电源管理IC"] --> J["栅极控制"]
J --> C
K["MCU控制信号"] --> I
end
subgraph "多路传感器同步供电"
L["VBBC1309阵列"] --> M["传感器1"]
L --> N["传感器2"]
L --> O["传感器3"]
P["独立使能控制"] --> L
end
subgraph "纹波抑制设计"
Q["高频MLCC"] --> R["电源输入端"]
S["稳压LDO"] --> T["核心传感器供电"]
U["共模电感"] --> V["噪声抑制"]
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
通用负载管理拓扑详图
graph LR
subgraph "双通道负载开关"
A["MCU GPIO \n (1.8V/3.3V)"] --> B["VBK3215N 输入"]
subgraph B ["VBK3215N双N-MOSFET"]
direction LR
IN1["栅极1"]
IN2["栅极2"]
S1["源极1"]
S2["源极2"]
D1["漏极1"]
D2["漏极2"]
end
C["12V辅助电源"] --> D1
C --> D2
S1 --> E["负载通道1"]
S2 --> F["负载通道2"]
E --> G[地]
F --> G
end
subgraph "多路负载应用"
H["照明LED控制"] --> I["VBK3215N Ch1"]
J["风扇PWM控制"] --> K["VBK3215N Ch2"]
L["通信模块使能"] --> M["VBK3215N Ch1"]
N["报警输出控制"] --> O["VBK3215N Ch2"]
end
subgraph "驱动与保护"
P["10Ω栅极电阻"] --> Q["抑制振铃"]
R["ESD保护TVS"] --> S["栅极-源极"]
T["过流检测"] --> U["故障反馈"]
U --> A
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与可靠性拓扑详图
graph TB
subgraph "分级散热策略"
A["一级散热: PCB敷铜"] --> B["VBQF1206功率MOSFET"]
A --> C["VBBC1309传感器开关"]
D["二级散热: 强制风冷"] --> E["电机驱动器IC"]
D --> F["边缘AI模块"]
G["三级散热: 自然对流"] --> H["主控MCU"]
G --> I["VBK3215N负载开关"]
end
subgraph "温度监控网络"
J["NTC温度传感器"] --> K["电机功率区"]
L["数字温度传感器"] --> M["AI计算区"]
N["红外测温点"] --> O["关键MOSFET"]
J --> P["MCU ADC"]
L --> P
N --> P
end
subgraph "降额设计标准"
Q["环境温度: 40-45℃"] --> R["电流降额60-70%"]
S["结温监控"] --> T["动态功率限制"]
U["热阻优化"] --> V["降低温升20%"]
end
subgraph "EMC防护设计"
W["电机回路屏蔽"] --> X["辐射噪声抑制"]
Y["电源滤波网络"] --> Z["传导噪声抑制"]
AA["TVS阵列保护"] --> AB["浪涌电压钳位"]
AC["共地设计"] --> AD["地环路控制"]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style I fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBQF1206规格书
中文
English
