Melexis releases a new single-coil brushless DC fan driver chip

Melexis has announced the launch of its latest single-coil brushless direct current (BLDC) fan driver chip. This new driver chip is designed to meet the growing demand for efficient, low noise and high reliability fan applications, especially in applications where space is limited and energy efficiency requirements are stringent.

Technical background

With the increasing miniaturization and functional integration of electronic devices, the problem of heat dissipation is increasingly becoming a key challenge in design. The traditional DTC114YET1G brushed DC motor is gradually replaced by the brushless DC motor because of the problems of mechanical wear, loud noise and low efficiency. Brushless DC motors not only have a significant increase in life and reliability, but also perform better in energy efficiency and noise control.

However, the drive control of brushless DC motors is more complex, especially single-coil brushless DC motors, which require accurate electronic control to achieve efficient operation. It is against this background that Melexis' new driver chip is designed to provide designers with a high-performance, easy-to-integrate solution.

Product characteristics

1. Highly Integrated design: This single-coil BLDC fan driver chip integrates all the necessary control functions, including rotor position detection, speed control and fault protection. The highly integrated design not only simplifies the board layout, but also reduces the number of external components, thereby reducing the overall system cost.

2. High efficiency control: The chip adopts advanced PWM (pulse width modulation) control algorithm, which can accurately control the speed and power output of the motor to achieve high efficiency motor drive. In addition, the chip also supports a variety of working modes, including constant speed mode and variable speed mode, to adapt to the needs of different application scenarios.

3. Low noise operation: Through optimized motor drive algorithm and precise rotor position detection, the chip can significantly reduce the noise of fan operation. This feature is particularly important for applications that require quiet environments, such as medical devices, home sound systems, and office equipment.

4. Wide voltage and temperature range: The chip supports a wide range of operating voltages (from 5V to 24V), which can adapt to different power supply environments. In addition, the chip has good temperature stability and can reliably operate over a wide temperature range from -40°C to 125°C, suitable for a variety of extreme environments.

5. Built-in protection function: In order to improve the reliability of the system, the chip has a variety of built-in protection functions, including overheat protection, overcurrent protection and undervoltage protection. These protection features automatically shut down the motor in the event of an anomaly, preventing damage to the motor and the chip itself.

Application prospect

1. Computer and server heat dissipation: In high-performance computers and servers, the heat dissipation problem is particularly prominent. Melexis' new BLDC fan driver chip provides an efficient and reliable cooling solution to ensure stable system operation under high loads.

2. Automotive electronics: With the improvement of the degree of automobile electronization, the heat dissipation demand of electronic equipment in the car is also increasing. Whether it is in-vehicle infotainment systems or battery management systems for electric vehicles, efficient cooling solutions are needed. The Melexis chip provides reliable cooling support in the harsh working environment of the car.

3. Industrial equipment: In industrial automation and control systems, the heat dissipation of motor drivers and controllers is also crucial. By adopting Melexis' new driver chips, industrial equipment manufacturers can achieve greater system reliability and energy efficiency.

4. Home appliances: In the field of home appliances, such as air conditioners, refrigerators and washing machines, efficient fan drive and low noise operation are the key to improving user experience. This driver chip from Melexis can help home appliance manufacturers achieve this goal.

Conclusion

Melexis' latest single-coil brushless DC fan driver is sure to attract a lot of attention in the market due to its high integration, high performance, low noise and broad application prospects. With the increasing demand for heat dissipation efficiency and reliability in electronic devices, this driver chip undoubtedly provides designers with a powerful tool to help them achieve more efficient and reliable product design. Melexis will continue to focus on innovation and technological breakthroughs to provide customers with more high-performance solutions and lead the way in the future of electronic devices.