graph TB
subgraph "三相逆变桥驱动"
A[48V直流输入] --> B[直流母线电容]
B --> C[上桥臂开关]
B --> D[下桥臂开关]
subgraph "三相桥臂配置"
phaseU_U["VBGP1103 \n 上桥U相"]
phaseU_L["VBGP1103 \n 下桥U相"]
phaseV_U["VBGP1103 \n 上桥V相"]
phaseV_L["VBGP1103 \n 下桥V相"]
phaseW_U["VBGP1103 \n 上桥W相"]
phaseW_L["VBGP1103 \n 下桥W相"]
end
C --> phaseU_U
C --> phaseV_U
C --> phaseW_U
D --> phaseU_L
D --> phaseV_L
D --> phaseW_L
phaseU_U --> E[U相输出]
phaseU_L --> E
phaseV_U --> F[V相输出]
phaseV_L --> F
phaseW_U --> G[W相输出]
phaseW_L --> G
E --> H[伺服电机U相]
F --> I[伺服电机V相]
G --> J[伺服电机W相]
end
subgraph "栅极驱动与保护"
K[PWM控制器] --> L[栅极驱动IC]
L --> M[驱动信号隔离]
M --> phaseU_U
M --> phaseU_L
M --> phaseV_U
M --> phaseV_L
M --> phaseW_U
M --> phaseW_L
subgraph "保护电路"
N[电流检测电阻]
O[RC吸收网络]
P[TVS保护]
Q[死区时间控制]
end
N --> R[比较器]
R --> S[过流保护]
S --> L
O --> phaseU_U
O --> phaseU_L
P --> L
Q --> K
end
subgraph "散热管理"
T[温度传感器] --> U[MCU]
U --> V[PWM风扇控制]
V --> W[强制风冷散热器]
W --> phaseU_U
W --> phaseV_U
W --> phaseW_U
end
style phaseU_U fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
DC-DC电源模块拓扑详图
graph LR
subgraph "LLC谐振变换器拓扑"
A[400VDC高压母线] --> B[输入滤波电容]
B --> C["VBE17R11S \n 初级侧开关管"]
C --> D[LLC谐振腔]
D --> E[高频变压器初级]
E --> F[初级侧地]
subgraph "同步整流侧"
G[变压器次级] --> H[同步整流MOSFET]
H --> I[输出滤波电感]
I --> J[输出滤波电容]
J --> K[48V直流输出]
end
end
subgraph "控制与反馈"
L[LLC控制器] --> M[栅极驱动器]
M --> C
N[同步整流控制器] --> O[同步整流驱动器]
O --> H
P[输出电压采样] --> Q[误差放大器]
Q --> L
R[初级电流检测] --> S[过流保护]
S --> L
end
subgraph "散热设计"
T[PCB大面积敷铜] --> C
U[小型铝散热片] --> C
V[温度监测] --> W[降额控制]
W --> L
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能I/O与执行器控制拓扑详图
graph TB
subgraph "双MOSFET H桥驱动"
A[24V电源输入] --> B[电源滤波]
B --> C[高端P-MOSFET]
B --> D[高端N-MOSFET]
subgraph "VBQA5325互补配置"
Q_P1["VBQA5325(P) \n 高端左臂"]
Q_N1["VBQA5325(N) \n 低端左臂"]
Q_P2["VBQA5325(P) \n 高端右臂"]
Q_N2["VBQA5325(N) \n 低端右臂"]
end
C --> Q_P1
C --> Q_P2
D --> Q_N1
D --> Q_N2
Q_P1 --> E[H桥输出A]
Q_N1 --> E
Q_P2 --> F[H桥输出B]
Q_N2 --> F
E --> G[执行器正端]
F --> H[执行器负端]
end
subgraph "MCU控制接口"
I[MCU GPIO] --> J[电平转换器]
J --> K[死区时间发生器]
K --> L[高端驱动器]
K --> M[低端驱动器]
L --> Q_P1
L --> Q_P2
M --> Q_N1
M --> Q_N2
end
subgraph "保护与续流"
N[电流检测电阻] --> O[比较器]
O --> P[快速关断]
P --> K
subgraph "续流路径"
Q[体二极管续流]
R[外部肖特基二极管]
end
Q --> Q_P1
Q --> Q_P2
R --> Q_N1
R --> Q_N2
end
subgraph "紧凑布局设计"
S[DFN8封装] --> Q_P1
S --> Q_N1
T[DFN8封装] --> Q_P2
T --> Q_N2
U[高密度PCB布局] --> S
U --> T
end
style Q_P1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Q_N1 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.