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LED home lighting can be divided into two levels. One is to replace the traditional 40W/60W incandescent/fluorescent bulb. In this respect, the consumer's demand is mainly based on price and energy saving effect; on the other hand, it is a new design. LED lamps, such as living room patio lights, table lamps, etc., emphasize intelligent regulation and adjustment of color temperature.
LED power driver IC manufacturers are meeting customer needs in a variety of ways to address the price and energy efficiency requirements of the 40W/60W bulb series. Liao Guangbin, senior manager of Lixun Technology Marketing Department, pointed out that high efficiency can greatly improve the energy saving effect of LED bulbs, save electricity expenses, and analyze the cost of LED bulb system. The improvement of power efficiency can save the cost of heat dissipation and greatly reduce the system cost. .
Secondly, the simplification of the peripheral circuit components can also save the cost of the power module, and reduce the power module area to increase the design flexibility of the LED light source configuration and the heat sink configuration. Lishun Technology's Floatingbuck architecture achieves these goals, achieving high efficiency of 92 and simplification of peripheral line components, even with a low-cost drum core (Drumcore) for better power output stability.
Focusing on the intelligent control function in the new design of LED lighting, the focus on dimming and intelligent control, Liao Guangbin pointed out that household bulbs in Europe and the United States need to have the need for the existing wall-mounted knob dimming, which needs to consider the application line pair Compatibility with existing systems. In addition, Lixin will provide a complete power solution for wireless control requirements such as RFDimming and WiFi.
Yu Zhongwei, director of Accumulation Technology Lighting Products, said that the current accumulation of LED lighting has a variety of drive product lines, such as AC to DC and DC to DC, with emphasis on high conversion efficiency, high power factor, safety and compatibility, and adjustable support. Light, etc. In terms of dimming, he said that the application of dimming technology can enhance the competitiveness of products. Therefore, the accumulation of active dimming functions is actively involved. In addition to providing related products in PWM and TRIAC dimming, accumulation is also observing digital addressing. Development of the light control interface (DALI, DigitalAddressLightingInterface).
DALI is a new generation of light control interface standard. This standard interface can easily integrate the lighting system in the building. Users can use the DALI integrated interface for scene editing and illumination adjustment, which can easily realize the requirements of intelligent lighting control in intelligent buildings. . In addition, Yu Zhongwei pointed out that the driver IC will be able to effectively reduce the BOM cost for customers through more functions (such as EMI protection integration).