2014- Development status and trend of LED lighting drivers in 2015

The LED lighting market has entered a rapid growth track. For example, Japan's LED lighting penetration rate has reached 30. Today's LED lighting market usage and business opportunities lie in general lighting, including 3 W- 15W residential LED lighting fixtures, 15 W- 75W commercial and building decorative lighting fixtures, and 75 W- 250W outdoor and infrastructure LED lighting fixtures. Intelligent lighting will begin to grow significantly in the past two years, and the mainstream schemes of LED drivers, sensors and communication protocols will begin to emerge, lighting driver suppliers are seeking to provide turnkey solutions related to intelligent lighting platforms such as drivers, wireless modules, gateways, APP, etc. to promote the rapid arrival of LED intelligent lighting. In this case, what is the trend of LED lighting driver market and price trend this year and next? What will happen to the product form and connotation? What are the relevant trends and strategies of mainstream suppliers? This article will analyze 2014 from these aspects- Market situation of LED lighting drivers in 2015. First, the market size has increased and the price pressure is still high. According to IHS report data, the total revenue of LED driver IC in 2013 was 1. 2 billion US dollars, of which 1/4 came from lighting applications, it is estimated that the total output value will jump to US $2. 1 billion in 2019, while the proportion of lighting drive IC output value will expand to 43, which is a fast-growing area in LED drivers. During this period, lighting-driven revenue increased steadily year by year, reaching 0. 4 billion US dollars in 2014 and 0. 5 billion US dollars in 2015. The application that plays a key role in LED lighting drive is still the bulb (And lamps) Flashlights, landscape lighting and other applications account for only a small market share. The price of LED light source is declining. In contrast, the price of driver has remained high and the cost pressure is relatively high. The possibility of reducing this pressure in the near future is relatively small. It is expected that in the past two years, there will be a trend that the dimmable LED lamp drive will exceed the non-dimmable drive. Dimmable drives are more expensive than non-dimmable drives. However, some suppliers are looking for ways to narrow this gap to promote the development of the dimmable market and gain greater market competitiveness, that is, to increase technological competitiveness with dimmable performance, instead of obtaining a higher sales price, the price pressure of lighting-driven IC is still relatively high. It is expected that the price of dimmable drive IC will drop significantly in 2015 ( In fact, Marvell has made the price of dimming products this year from 1. 5% last year. $5 fell below $1 and will fall in 2015) , Further squeezing the non-dimming drive IC market and price space. II. 2014- 2015 key words of driver products: dimming simplified lamps are not only simple lighting tools, but also have higher demands in energy saving and environmental atmosphere adjustment. This has prompted LED lighting drivers to take an intelligent path, and at the same time, in order to pursue higher cost performance and easier use, it also strives to become more simplified. At present, intelligent lighting has not been strictly defined. It is expected that LED drivers, sensors and communication protocols are relatively recognized methods. Dimming applications have attracted most driver manufacturers, including international and domestic mainstream suppliers. Higher dimming compatibility will be a direction of driver efforts. The main obstacle to the development of dimmable lamps is the compatibility of dimmers, including compatibility with various existing dimmer technologies, such as TRIAC, low voltage (0 ~ 10 v) Linear and PWM dimmers, also including compatibility with the next generation of electronic dimmers; Moreover, electronic dimmers have proved more difficult to be compatible than traditional TRIAC dimmers. At present, the LED driver scheme supporting dimming provided by international manufacturers has better performance, but its structure is complex and its cost is relatively high. Chinese manufacturers are seeking breakthroughs, there have been programs in which SCR dimming compatibility is higher than 90 and price is lower than that of international manufacturers. Policy standards put forward higher and higher requirements for the performance of lamps and drivers. Many stringent regulations around the world have been proposed in PFC (Power factor correction) And input harmonics, for example, energy star requires LED lamps to be adjustable as low as 10, Energy Star and the European Power Supply Manufacturers Association (IEC61000-3-2)The power factor of residential lighting is required to be greater than 0. 7. The power factor of commercial lighting is greater than 0. 9. It is not easy to control costs while maintaining overall performance. Lighting drive suppliers will prefer to adopt more optimized circuit designs and eliminate additional discrete components to reduce costs. A single-stage driver with small size, high PF, no stroboscopic and good dimming compatibility may come out soon, and some manufacturers have already made plans.