"This year, we are very optimistic about the filament lamp market, and its alternative market share will be relatively large." Li Zhaohua, general manager of Ming Microelectronics, held the first stop of this year's national tour investigation activity held by Gaogong LED - filament lamp Said at the special seminar.
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Li Zhaohua, general manager of Mingwei Electronics
"At present, Mingwei Electronics has launched a series of linear constant current schemes for LED filament lamps, which is closely related to Mingwei's long-standing application of linear constant current driving power supply applications, no inductors, transformers, and electrolytic capacitors. Because it has the advantage of being more suitable for saving labor in industrial automation production." Li Zhaohua mentioned.
As a professional IC design company established in 2003, Mingwei has obtained 114 patents and is currently accepting 53 projects covering 3 product lines: power management driver chip, LED display driver chip and LED lighting driver chip. Among them, the filament lamp IC has also become the key layout of Mingwei Electronics this year.
"Ming Microelectronics' SM2082D linear constant current driving scheme is taken as an example. The circuit is simple, the components are few, the power supply is small, and the cost is more advantageous. It is suitable for the filament lamp scheme below 8W." Li Zhaohua introduced.
"At the same time, for the certification of filament light dimming power supply, compatible with a variety of dimmers, etc., Ming Micro Electronics also focused on creating a variety of different performance and combination of dimming solutions for customers to choose." Li Zhaohua said.
It is understood that SM2316E is a linear constant current driving chip dedicated to thyristor dimming. It not only has good dimming linearity, but also has easy to pass certification, and has many functions such as over temperature protection. It has very high cost performance.
In addition, Ming Micro's non-isolated driver chip SM7313, as the industry's first filament lamp power supply driver chip without plastic parts, uses a patented fixed frequency mode, which requires only a small chip inductor to achieve 2, 4W. Filament lamp power drive scheme.
It is understood that the main partners of Ming Microelectronics have included well-known enterprises such as Mulinsen, Sunshine Lighting, NVC Lighting, Foshan Lighting, Midea Lighting, Debon Lighting, Yapuer, etc. The filament lamp solution has also been widely recognized in the industry. .
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