Mingwei Electronics Li Zhaohua: How to design a cost-effective drive solution

On April 11, after Guangzhou, Xiamen and Hangzhou, the Zhongshan Station, the fourth station of the 2014 China LED Lighting Supply Chain Good Product Tour Symposium hosted by Gaogong LED, was successfully concluded.

The rapid start-up of the global LED lighting market comes from the rapid application of disruptive technology and the optimal control of enterprise supply chain costs. The global competition in the Chinese market has brought several advances. The first is the globalization of supply chains, and the second is the rapid improvement of localized OEM/ODM capabilities.

For LED lighting companies, the era of simply price is not the foundation for the survival of excellent enterprises. The cost of channel development is getting higher and higher, and the homogenization of products is getting more and more serious. What should enterprises do? Where is the way out? Many companies are secretly improving the supply chain, segmenting the market and optimizing the product structure. What are the next three years? Is the supply chain.

This Zhongshan Station seminar once again invited Dr. Zhang Xiaofei, Chairman of Gaogong LED, Li Zhaohua, Deputy General Manager of Mingwei Electronics, Zhang Zhennan, R&D Manager of Jingtai Optoelectronics, Dong Pei, General Manager of Feitai Technology, and Lin Jiliang, General Manager of Mulinsen Lighting, etc. The theme of LED lighting industry, packaging new materials, new processes, selection of LED driver power, nano-graphene thermal materials and LED lighting application trends, market structure and other topics delivered a keynote speech.





(Ming Zhaowei Vice President Li Zhaohua)


As one of the important steps to determine the life and cost of the LED whole lamp system, the quality and cost performance of the drive power has always been the focus of the market.

"Currently, power module technology is relatively mature, and competition is more reflected in product innovation and cost performance." Li Zhaohua, deputy general manager of Mingwei Electronics, said that how to use innovation and scale advantages to reduce costs, thereby improving the cost performance of products, has become a power source. The key to enterprises to seize the market.

In terms of LED driver power supply selection, Li Zhaohua believes that the importance of LED driver power is often neglected, but a good power solution must meet the customer's needs and the ultimate goal, while selecting the optimal cost solution, only these three achieve one The best balance point is the best drive power solution.

After 10 years of technology accumulation and precipitation, Mingwei Electronics has high-voltage ESD technology, high-precision constant current technology, high-voltage start-up and power supply technology, ultra-low standby power consumption technology, SPWM/PWM/PFM control technology, and high power factor control technology. There are nearly one hundred patents in the field. At the same time, it has successfully built its own brand in terms of driving power, and it has an important market share in the domestic power market.

Li Zhaohua said that in terms of product design, Mingwei Electronics fully considers the performance and safety factors of power supply, uses innovative design to improve product performance, and then reduces product cost through large-scale production. “Technology innovation is an important bargaining chip for Mingwei Electronics. At present, the entire power industry is highly homogenized, and Mingwei’s unique process cannot be easily copied. For example, Mingwei’s high-voltage single-chip integration technology is difficult in the market. There are imitators."

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