graph LR
subgraph "高压预充/泄放电路"
A[汽车电池输入] --> B[输入滤波器]
B --> C[TVS保护]
C --> D[预充电阻]
D --> E[预充开关节点]
E --> F["VBMB165R32SE \n 650V/32A"]
F --> G[高压直流母线]
G --> H[储能电容组]
I[预充控制器] --> J[隔离栅极驱动器]
J --> F
subgraph "米勒效应抑制"
K[有源米勒钳位] --> F
L[栅极电阻网络] --> F
end
end
subgraph "电压瞬态保护"
M[负载突降模拟] --> N[电压尖峰抑制]
N --> O[过压保护电路]
O --> P[保护触发信号]
P --> Q[驱动器关断]
Q --> F
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
高侧双通道负载开关拓扑详图
graph TB
subgraph "VBA4309 双通道高侧开关"
A[高压直流母线] --> B["VBA4309 通道1 \n P-MOS -30V/-13.5A"]
A --> C["VBA4309 通道2 \n P-MOS -30V/-13.5A"]
B --> D[电机绕组A]
C --> E[电机绕组B]
D --> F[电流检测电阻1]
E --> G[电流检测电阻2]
F --> H[系统地]
G --> H
subgraph "栅极驱动电路"
I[电荷泵驱动器] --> J[电平转换]
J --> K[栅极驱动输出1]
J --> L[栅极驱动输出2]
K --> B
L --> C
end
subgraph "诊断与保护"
M[电流检测放大器] --> N[过流比较器]
O[温度传感器] --> P[过温比较器]
N --> Q[故障逻辑]
P --> Q
Q --> R[故障报告]
R --> S[CAN总线]
end
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
低侧驱动与辅助控制拓扑详图
graph LR
subgraph "VBA3102M 双通道低侧驱动"
A[电机驱动节点] --> B["VBA3102M 通道1 \n N-MOS 100V/3A"]
C[传感器电源节点] --> D["VBA3102M 通道2 \n N-MOS 100V/3A"]
B --> E[系统地]
D --> E
subgraph "MCU直接驱动接口"
F[MCU GPIO 3.3V/5V] --> G[栅极电阻]
F --> H[栅极电阻]
G --> B
H --> D
I[下拉电阻] --> B
J[下拉电阻] --> D
end
subgraph "感性负载保护"
K[续流二极管] --> B
L[RC吸收电路] --> B
M[电压钳位] --> B
end
subgraph "辅助负载控制"
N[继电器线圈] --> D
O[状态指示灯] --> D
P[电磁阀驱动] --> D
end
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,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.