graph LR
subgraph "电机驱动H桥"
A["24V总线"] --> B["预驱动电路"]
B --> C["VBQF1307 \n 上桥臂N-MOS"]
B --> D["VBQF1307 \n 下桥臂N-MOS"]
C --> E["电机端子+"]
D --> F["电机端子-"]
E --> G["直流有刷电机"]
F --> G
H["电机驱动IC \n DRV887x"] --> I["PWM控制信号"]
I --> B
G --> J["电流检测电阻"]
J --> K["电流采样放大"]
K --> H
end
subgraph "保护与散热"
L["栅极驱动"] --> M["22Ω栅极电阻"]
M --> C
M --> D
N["RCD缓冲"] --> C
O["RC吸收"] --> D
P["底部散热焊盘"] --> Q["导热过孔阵列"]
Q --> R["底层敷铜≥150mm²"]
S["温度传感器"] --> T["过温保护"]
T --> H
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
传感器与IO供电拓扑详图
graph TB
subgraph "多路智能电源开关"
A["MCU GPIO \n 3.3V/5V"] --> B["电平转换电路"]
B --> C["VBK1695栅极控制"]
subgraph "四通道开关阵列"
SW1["VBK1695 \n 通道1"]
SW2["VBK1695 \n 通道2"]
SW3["VBK1695 \n 通道3"]
SW4["VBK1695 \n 通道4"]
end
C --> SW1
C --> SW2
C --> SW3
C --> SW4
D["12V总线"] --> SW1
D --> SW2
D --> SW3
D --> SW4
SW1 --> E["视觉传感器 \n 500mA max"]
SW2 --> F["力觉传感器 \n 300mA max"]
SW3 --> G["通信模块 \n 400mA max"]
SW4 --> H["数字IO \n 200mA max"]
end
subgraph "保护与布局"
I["栅极串联电阻 \n 22Ω-47Ω"] --> C
J["肖特基二极管"] --> K["感性负载续流"]
K --> E
L["TVS保护"] --> M["ESD防护"]
M --> SW1
N["去耦电容阵列"] --> O["电源滤波"]
O --> D
P["局部敷铜≥20mm²"] --> Q["热管理"]
Q --> SW1
end
style SW1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style SW2 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
安全隔离与制动控制拓扑详图
graph LR
subgraph "安全回路控制"
A["安全控制器"] --> B["隔离驱动电路"]
B --> C["VB1101M \n 安全开关"]
D["48V总线"] --> E["过压保护"]
E --> C
C --> F["安全继电器线圈"]
F --> G["紧急停止回路"]
H["故障检测"] --> I["快速关断"]
I --> C
end
subgraph "电子制动电路"
J["电机驱动信号"] --> K["制动逻辑"]
K --> L["三极管推挽驱动"]
L --> M["VBQG8238 \n P-MOS制动开关"]
N["48V总线"] --> O["限流电阻"]
O --> M
M --> P["制动电阻网络"]
P --> Q["能耗制动"]
end
subgraph "可靠性设计"
R["栅源下拉电阻 \n 10kΩ"] --> C
S["稳压管保护"] --> T["栅极电压钳位"]
T --> C
U["TVS阵列"] --> V["浪涌防护"]
V --> D
W["散热设计"] --> X["空气流通布局"]
X --> C
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VB1101M规格书
中文
English
