graph LR
subgraph "高压DC-DC变换级"
A["高压电池组 \n 300-400VDC"] --> B["输入滤波器"]
B --> C["谐振变换拓扑"]
C --> D["高频变压器"]
D --> E["次级整流/同步整流"]
subgraph "高压主开关"
F["VBP15R50 \n 500V/50A"]
G["VBP15R50 \n 500V/50A"]
end
C --> F
C --> G
F --> H["高压直流母线"]
G --> H
I["隔离型栅极驱动器"] --> F
I --> G
J["高压控制器"] --> I
H -->|电压反馈| J
end
subgraph "保护电路"
K["RCD缓冲电路"] --> F
L["RC吸收网络"] --> G
M["TVS阵列"] --> I
N["电流检测"] --> O["过流比较器"]
O --> P["故障锁存"]
P --> Q["关断信号"]
Q --> F
Q --> G
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
主驱电机逆变桥拓扑详图
graph TB
subgraph "三相全桥逆变器"
A["高压直流母线"] --> B["直流母线电容"]
B --> C["上桥臂节点"]
B --> D["下桥臂节点"]
subgraph "上桥臂开关管"
Q1["VBGP1801 \n 80V/350A"]
Q3["VBGP1801 \n 80V/350A"]
Q5["VBGP1801 \n 80V/350A"]
end
subgraph "下桥臂开关管"
Q2["VBGP1801 \n 80V/350A"]
Q4["VBGP1801 \n 80V/350A"]
Q6["VBGP1801 \n 80V/350A"]
end
C --> Q1
C --> Q3
C --> Q5
Q1 --> U_OUT["U相输出"]
Q2 --> U_OUT
Q3 --> V_OUT["V相输出"]
Q4 --> V_OUT
Q5 --> W_OUT["W相输出"]
Q6 --> W_OUT
D --> Q2
D --> Q4
D --> Q6
U_OUT --> MOTOR["三相永磁同步电机"]
V_OUT --> MOTOR
W_OUT --> MOTOR
end
subgraph "栅极驱动电路"
DRV["大电流栅极驱动器"] --> Q1
DRV --> Q2
DRV --> Q3
DRV --> Q4
DRV --> Q5
DRV --> Q6
MCU["电机控制MCU"] --> DRV
end
subgraph "电流检测与保护"
SHUNT_U["U相电流检测"] --> MCU
SHUNT_V["V相电流检测"] --> MCU
DESAT["去饱和检测"] --> Q1
DESAT --> Q3
DESAT --> Q5
OCP["过流保护"] --> DRV
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q2 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.