graph LR
subgraph "单相PFC升压电路"
A[220VAC输入] --> B[EMI滤波器]
B --> C[整流桥]
C --> D[PFC电感]
D --> E[PFC开关节点]
E --> F["VBM16R20SFD \n 600V/20A"]
F --> G[高压直流母线]
H[PFC控制器] --> I[栅极驱动器]
I --> F
G -->|电压反馈| H
end
subgraph "DC-DC降压变换"
G --> J[降压变换器]
J --> K["48/60V电机母线"]
L[降压控制器] --> M[降压开关管]
M --> N[输出滤波]
N --> K
K -->|反馈| L
end
subgraph "辅助电源"
K --> O[辅助电源IC]
O --> P[12V输出]
O --> Q[5V输出]
P --> R[电机驱动电路]
Q --> S[MCU与传感器]
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
主电机驱动拓扑详图
graph TB
subgraph "H桥/三相逆变拓扑"
A[电机母线电压] --> B[上桥臂节点]
B --> C["VBGM1105 \n (上桥臂)"]
C --> D[电机A相]
E["VBGM1105 \n (上桥臂)"] --> F[电机B相]
B --> E
D --> G["VBGM1105 \n (下桥臂)"]
F --> H["VBGM1105 \n (下桥臂)"]
G --> I[电机地]
H --> I
end
subgraph "电机控制与驱动"
J[MCU] --> K[电机控制算法]
K --> L[PWM生成]
L --> M[栅极驱动器]
M --> C
M --> E
M --> G
M --> H
N[电流检测] --> O[过流保护]
O --> P[故障关断]
P --> C
P --> E
P --> G
P --> H
end
subgraph "电机制动与保护"
Q[制动信号] --> R[制动控制]
R --> S["下桥臂导通"]
S --> G
S --> H
T[电压尖峰] --> U[吸收电路]
U --> C
U --> E
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助系统与负载管理拓扑详图
graph TB
subgraph "智能负载开关通道"
A[MCU GPIO] --> B[电平转换]
B --> C["VBQA1806输入"]
subgraph C ["VBQA1806 DFN8封装"]
direction LR
GATE[栅极]
SOURCE[源极]
DRAIN[漏极]
end
D[12V辅助电源] --> DRAIN
SOURCE --> E[负载设备]
E --> F[地]
end
subgraph "多路负载管理"
G[坡度调节控制] --> H["VBQA1806通道1"]
H --> I[坡度电机]
J[风扇控制] --> K["VBQA1806通道2"]
K --> L[散热风扇]
M[显示控制] --> N["VBQA1806通道3"]
N --> O[显示面板]
P[照明控制] --> Q["VBQA1806通道4"]
Q --> R[LED照明]
S[过流检测] --> T[硬件保护]
T --> H
T --> K
T --> N
T --> Q
end
subgraph "保护与监控"
U[电流采样] --> V[比较器]
V --> W[保护触发]
W --> X[关断信号]
X --> H
X --> K
Y[温度监控] --> Z[热管理]
Z --> K
end
style H fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style K fill:#fff3e0,stroke:#ff9800,stroke-width:2px
*To request free samples, please complete and submit the following information. Our team will review your application within 24 hours and arrange shipment upon approval. Thank you!
X
SN Check
***Serial Number Lookup Prompt**
1. Enter the complete serial number, including all letters and numbers.
2. Click Submit to proceed with verification.
The system will verify the validity of the serial number and its corresponding product information to help you confirm its authenticity.
If you notice any inconsistencies or have any questions, please immediately contact our customer service team. You can also call 400-655-8788 for manual verification to ensure that the product you purchased is authentic.