The trend of linear constant current driving is obvious. The integration of the disk and the constant current LED driver IC is unveiled at the high-tech LED exhibition.

[Text|High-tech LED reporter Xu Chaopeng] At present, the traditional AC/DC power supply solution on the market is difficult to meet the LED lamps in the smart because of its complicated lines, large parts, large volume, high cost, and not easy to mass production and installation. Dimming applications.

The reporter learned from the high-tech LED lighting exhibition site that in order to solve this problem, Shenzhen Haopan Green Integrated Technology Co., Ltd. (hereinafter referred to as “Dianpan Integration”) has been focusing on the development of linear constant current driver IC since last year. A number of invention patents have been obtained with the SDS3108, a high-order segmented linear constant current driver IC independently developed.

"This high-order segmentation technology uses a control scheme in which the N-type switch and the P-type switch cooperate with each other. The power efficiency can reach more than 93%, and the heat dissipation power is reduced by 60% compared with the four-stage linear constant current chip. The application of the 'and the 'active fill valley' technology provides a solid platform," said Chen Heng, general manager of the company.

It is reported that the SDS3108 series driver IC integrates proprietary technologies such as “high-order segmentation”, “dynamic configuration” and “active valley filling”, and inherits the inherent advantages of high-voltage linear constant current drive. The power supply index is raised to the level of the switching power supply, and the problem of 100Hz strobe and low wick utilization is successfully solved, and the true de-switching power supply scheme is provided for the LED luminaire.

"SDS3108 is a photoelectric engine solution, small in size, meeting the small space requirement of the lamp profile, not only surpassing the AC/DC solution in performance, but also has an absolute advantage in cost." Chen Hengyu said, "Comparative switching power supply, linear constant current The drive has the advantages of low cost, convenient installation, long lamp life and simple intelligent dimming. It will be an important trend in the development of the LED industry in the driving field.

exhibition site


At the same time, Chen Hengke also told reporters that the integration of the product integration is fast, and the most cost-effective solution below 10W will be launched soon. It is expected that this series of products will maintain a leading edge in the next 1-2 years.

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