graph LR
subgraph "半桥电机驱动电路"
A[24V直流输入] --> B[π型滤波器]
B --> C[预驱动IC]
C --> D[栅极驱动器]
subgraph "半桥MOSFET对"
Q_HIGH["VBQF3310G \n 上管"]
Q_LOW["VBQF3310G \n 下管"]
end
D --> E[高侧驱动]
D --> F[低侧驱动]
E --> Q_HIGH
F --> Q_LOW
Q_HIGH --> G[电机输出节点]
Q_LOW --> H[功率地]
I[12V自举电源] --> E
G --> J[BLDC电机]
K[电流采样] --> L[保护电路]
L --> M[故障信号]
M --> C
end
subgraph "散热设计"
N["150mm²敷铜区"] --> Q_HIGH
O["散热过孔阵列"] --> N
P[内部接地层] --> O
end
style Q_HIGH fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_LOW fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
辅助电源管理拓扑详图
graph TB
subgraph "多通道负载开关"
A[MCU GPIO] --> B[电平转换]
B --> C["VBC1307栅极"]
subgraph "负载开关阵列"
Q_CH1["VBC1307 \n 通道1"]
Q_CH2["VBC1307 \n 通道2"]
Q_CH3["VBC1307 \n 通道3"]
end
C --> Q_CH1
C --> Q_CH2
C --> Q_CH3
VCC_12V[12V辅助电源] --> Q_CH1
VCC_12V --> Q_CH2
VCC_12V --> Q_CH3
Q_CH1 --> D[CPU核心电源]
Q_CH2 --> E[USB模块]
Q_CH3 --> F[传感器阵列]
G[10-47Ω栅极电阻] --> C
end
subgraph "热管理与布局"
H["80mm²敷铜区"] --> Q_CH1
I[退耦电容] -->|靠近MOSFET| Q_CH1
J[PCB分区] --> K[功率地]
J --> L[数字地]
K --> M[单点连接]
L --> M
end
style Q_CH1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
LED背光驱动拓扑详图
graph LR
subgraph "分区背光控制"
A[背光驱动IC] --> B[PWM输出1]
A --> C[PWM输出2]
A --> D[PWM输出3]
B --> E["VB3222A栅极1"]
C --> F["VB3222A栅极2"]
D --> G["VB3222A栅极3"]
subgraph "双N沟道MOSFET"
Q_PAIR1["VB3222A \n 双N沟道1"]
Q_PAIR2["VB3222A \n 双N沟道2"]
Q_PAIR3["VB3222A \n 双N沟道3"]
end
E --> Q_PAIR1
F --> Q_PAIR2
G --> Q_PAIR3
H[5V-12V背光电源] --> Q_PAIR1
H --> Q_PAIR2
H --> Q_PAIR3
Q_PAIR1 --> I[LED串1]
Q_PAIR2 --> J[LED串2]
Q_PAIR3 --> K[LED串3]
I --> L[电流检测]
J --> M[电流检测]
K --> N[电流检测]
L --> O[反馈回路]
M --> O
N --> O
O --> A
end
subgraph "布局优化"
P[SOT23-6封装] --> Q_PAIR1
Q[50mm²敷铜区] --> Q_PAIR1
R[栅极驱动缓冲] --> E
end
style Q_PAIR1 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.