Entering the middle of 2013, reviewing the market trend of LED lighting in the first half of the year, whether it is LED bulbs or straight lamps, the price is rapidly falling at a rate of about 20%, especially in the field of commercial lighting, LED lamps The price has taken the lead in reaching the "sweet spot", which has also stimulated the penetration of LED lamps in the commercial lighting market this year. Faced with a new round of growth opportunities in the market, LED lighting solutions are urgently required to further improve light efficiency as a whole, while increasing cost-effectiveness to adapt to the wider application of LED lighting in a wider range.
Especially in the core of LED lighting - power drive IC, although the average selling price of LED lamps has continued to decline in recent years, the cost reduction of the drive is not large, and this situation is expected to change in the near future. According to IMSResearch's survey, by 2013, driver IC still accounts for 40% of LED bulb manufacturing costs, but with the overall price of lamps and the technical improvement of various components, it is expected that the cost ratio of LED drivers will be significantly increased before 2015. Down 36%.
The reduction in the cost of driver ICs is a general trend, which requires manufacturers to develop cost-effective drives to maintain cost curves through improvements in manufacturing processes, innovation in drive solutions, and the latest developments in lamp power supply design. For example, a more obvious trend in the market is that different types of LED lamps, including candle lamps, A19 bulbs, GU10, PAR30/38 spotlights, etc., are beginning to adopt more and more non-isolated power supply topologies (especially It is used in small and medium power lighting applications). Compared with the isolated power supply design, the non-isolated topology design and board configuration are simple, the board size is small, and the energy efficiency is higher. Therefore, in terms of manufacturing cost, space, and energy efficiency (Efficiency), etc. Both have obvious advantages. At present, this product development trend has been widely recognized in the major LED lighting application markets such as Europe and the United States.
As the market places higher demands on cost, size and energy efficiency of LED lighting driver power, LED driver ICs will also move toward higher integration, integrating more components/functions (such as dimming). / Non-dimming, etc.), as much as possible to simplify the design (such as heat dissipation) and wiring costs brought by the manufacturer during peripheral development, and ultimately help to improve the cost performance of the entire drive power supply.
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