graph TB
subgraph "输入保护与滤波"
A[市电输入] --> B[EMI滤波器]
B --> C[压敏电阻]
C --> D[气体放电管]
D --> E[三相整流桥]
end
subgraph "PFC升压电路"
E --> F[PFC电感]
F --> G[PFC开关节点]
G --> H["VBM18R15S \n 800V/15A"]
H --> I[高压直流母线]
J[PFC控制器] --> K[栅极驱动器]
K --> H
I -->|电压反馈| J
end
subgraph "预充电控制"
L[预充电控制] --> M["VBM18R15S \n 预充电开关"]
N[限流电阻] --> M
M --> I
end
subgraph "DC-DC高压侧"
I --> O[LLC谐振腔]
O --> P[高频变压器]
P --> Q[LLC开关节点]
Q --> R["VBP16R34SFD \n 600V/34A"]
R --> S[初级地]
T[LLC控制器] --> U[隔离驱动器]
U --> R
end
style H fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style R fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
输出级与负载管理拓扑详图
graph LR
subgraph "同步整流输出级"
A[变压器次级] --> B[同步整流节点]
B --> C["VBGQA1806 \n 同步整流管"]
C --> D[输出电感]
D --> E[输出电容]
E --> F[直流输出]
G[同步整流控制器] --> H[栅极驱动器]
H --> C
end
subgraph "输出控制与保护"
F --> I[输出接触器]
subgraph "电子接触器"
J["VBGQA1806 \n 输出开关"]
end
I --> J
J --> K[充电接口]
L[输出电流检测] --> M[控制MCU]
N[输出电压检测] --> M
O[温度检测] --> M
M --> P[PWM控制]
P --> H
M --> Q[开关控制]
Q --> J
end
subgraph "辅助电源管理"
R[12V辅助电源] --> S[5V/3.3V LDO]
S --> T[控制电路]
U[风扇电源] --> V[风扇驱动]
W[通信电源] --> X[通信模块]
Y[显示电源] --> Z[显示单元]
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
保护与热管理拓扑详图
graph TB
subgraph "电气保护网络"
A["RCD缓冲电路"] --> B["PFC MOSFET"]
C["RC吸收电路"] --> D["高压侧MOSFET"]
E["TVS阵列"] --> F["栅极驱动芯片"]
G["肖特基二极管"] --> H["同步整流管"]
I[电流比较器] --> J[过流保护]
K[电压比较器] --> L[过压保护]
J --> M[故障锁存]
L --> M
M --> N[关断信号]
N --> B
N --> D
N --> H
end
subgraph "三级散热系统"
O["一级散热: 液冷板"] --> P["同步整流MOSFET"]
Q["二级散热: 风冷散热器"] --> R["高压主开关"]
S["三级散热: PCB敷铜"] --> T["控制IC"]
U[温度传感器1] --> V[MCU]
W[温度传感器2] --> V
X[温度传感器3] --> V
V --> Y[风扇PWM控制]
V --> Z[泵速控制]
Y --> AA[冷却风扇]
Z --> BB[液冷泵]
end
subgraph "环境适应性设计"
CC[防尘设计] --> DD[密封机箱]
EE[防水设计] --> FF[IP54防护]
GG[宽温设计] --> HH[-40°C~85°C]
II[防腐蚀] --> JJ[三防涂层]
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style P 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.