“In recent years, the LED lighting industry has experienced explosive development. In addition to the requirements for the stability of lamps, LED lighting companies are also facing pressure from product cost and competitiveness. As far as driving ICs are concerned, the mainstream way of driving ICs in the future will be It is more integrated and simplistic," said Li Zhaohua, general manager of Mingwei Electronics.
Indeed, as the acronym IC (Integrated Circuit) means, the purpose of the driver IC is to integrate multiple functions to reduce circuit size and reduce cost.
We can even sum up that "simple, efficient, reliable, low-cost" will be the mainstream direction of driving ICs in the future.
Linear constant current driver IC
"Linearity is half of the future." This argument has been heard many times by Li Zhaohua, and in fact they have been personally promoting the realization of this assertion.
In Li Zhaohua's view, the technology of driving ICs has reached a certain peak, and the price of spelling technology has not taken up any price, but should be turned to increase the added value of products. "In layman's terms, it is to achieve the ultimate price/performance ratio."
At present, the linear constant current drive IC has undergone several years of technical precipitation. Now all aspects are mature, and it can achieve high PF>0.98, efficiency>90%, low THD, and service life>60,000 hours.
At the same time, in the case of meeting the various photoelectric indicators of LED lamps, the linear IC solution can simplify the peripheral components and automate the production and processing, thereby reducing manual intervention, increasing production capacity, reducing labor costs, and greatly improving the situation. Product stability.
"The LED industry is very mature, and the standard specifications are further generalized." In Li Zhaohua's view, the future development of general lighting will become more generalized, homogenized and standardized. The intelligent lighting has accumulated its time and has begun to show its strong vitality.
From the current market perspective, the adoption of linear IC drivers is becoming an industry trend, or will be fully popularized in the next two years.
Digital intelligence
"There is no doubt that moving towards intelligence is an inevitable trend in the future development of LED lighting, and to achieve intelligence, driving IC is the most important link in the industrial chain." Li Zhaohua said.
In fact, as the smart lighting market combines the concepts of smart homes and smart cities to continue to heat up, intelligent lighting driver ICs are also being fired, which directly promotes the innovation and development of LED driver ICs with intelligent control functions.
For example, unlike the past, smart lighting puts higher demands on driver IC design in hardware such as standby power consumption, wireless protocol selection/APP, transmission distance, and security, and pays more attention to humanized design.
At the same time, since the beginning of this year, the "intelligent" development has become more grounded, and the driver manufacturers have continuously integrated some additional functions in the LED driver circuit to realize intelligent control of the LED chip.
Indeed, in the eyes of many power-driven companies, the technology of driving ICs has reached a certain peak, and the price of spelling technology has not been cheap, but should be turned to increase the added value of products.
“This means that smart lighting driven by innovation is being optimistic in the industry.†Li Zhaohua mentioned.
With the development of technologies such as smart home, smart city and Internet of Things, intelligent lighting will develop and popularize, and drive a new round of development of drive design.
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