Governments are increasingly demanding energy-saving requirements to motivate dimmable light-emitting diode (LED) lighting requirements. To achieve high-performance dimming and solve flicker problems, Texas Instruments has released two highly integrated phase-adjustable phases. The AC-DC LED lighting driver can fully meet the dimming requirements of retrofit bulbs, LED ballasts, downlights and spotlights.
Xiao Yizhou, a senior application engineer for power applications in the Analog Devices market in Texas, said that traditional light bulbs can also be dimmed, but they are more power-hungry and have a shorter lifespan, making traditional bulbs that are dimmable must be repaired frequently. Introducing the LED light of the dimmable power driver IC, not only taking into account the advantages of LED energy saving 80, the service life of at least 20,000 hours, but also dimming, improving energy efficiency and accelerating the replacement of energy-saving LED lighting. Traditional light bulbs.
For the flag-saving energy-saving LED lighting market, Texas Instruments has introduced the TPS92070/LM3448 dimmable series. Its high current accuracy feature allows customers to accurately define the upper and lower limits of current, eliminating the time cost of customer calibration. Due to its high-performance structure, it can reduce the surrounding parts supporting the driver IC, further reducing the cost of customers.
Xiao Yizhou further pointed out that at present, Texas Instruments' series of dimmable driver ICs are mainly sold to Japan, Europe and the United States. However, due to different safety standards, the required driver IC specifications are not the same. For example, because the structure of the TPS92070 is designed to be isolated and safe, it can meet the safety requirements of the United States. The main shipment in Japan is the LM3448 without isolation design, and the isolation design has an impact on the overall cost of LED lamps. For 2, everything depends on customer needs.
Xiao Yizhou said that under the requirements of relevant energy-saving regulations, currently developed countries such as Japan, Europe and the United States have adopted a large number of LED lamps with dimmable driver ICs, while developing countries such as China have no relevant regulatory requirements. The lower cost, non-dimmable LED luminaires are used. As for Taiwan, although there are no relevant regulatory requirements, there are already lighting manufacturers that have introduced dimming driver ICs. Most of their applications are still dominated by the entertainment lighting market. General indoor lighting, outdoor lighting and emergency lighting have not begun to spread. In the future, if energy conservation regulations are further developed, it is believed that energy-saving LED lighting will be more prevalent.
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