As technology matures, linear solutions are becoming more diverse and applications are becoming more widespread. However, in the linear scheme, the elimination of the chip capacitor also brings a series of problems. Among them, in the case of a wide range of voltage instability fluctuations, it will cause a change in light output.
Recently, Shenzhen Ming Microelectronics Co., Ltd. (referred to as "Ming Micro Electronics") introduced the chip SM2096E, effectively solving the problems caused by the chip-free capacitor.
The SM2096E is a dual-channel LED linear constant current control chip with line voltage compensation and thyristor dimming. The patented constant current and constant power control technology controls the output current by detecting the VT port voltage, thus making the input voltage When changing, the whole light flux remains basically the same. In addition, the chip also has an over-temperature regulation function. When the chip temperature is too high, it will automatically adjust to reduce the output current and improve system application reliability.
From the appearance point of view, Ming Micro Electronics SM2096E chip adopts ESOP8 package form, and the peripheral circuit is simple, which can effectively reduce the product cost.
According to reports, the SM2096E has two typical applications: thyristor dimming solutions and non-dimming solutions. Among them, when the SM2096E is used in the dimming scheme, the efficiency of the dimming system can be significantly improved. It is reported that the efficiency can be as high as 82%, the line complement is <10%, and the 9W/800LM dimming scheme can be realized.
SCR dimming scheme circuit diagram
Typical parameters:
Applications:
SM2096E+SM088 thyristor dimming solution: 9W800LM@120Vac
In addition, when the SM2096E is used in a non-dimming scheme, it not only improves the efficiency of the non-dimming system, but also realizes the PF>0.7, 9W/800LM non-dimming scheme.
Typical parameters:
Applications:
SM2096E high PF non-dimming solution 9W800LM@120Vac
Performance comparison:
EMI test items:
It is understood that SM2096E can be applied to many linear products such as LED bulbs, downlights and E14/E27 filament lamps. Since the product went on the market, it has been highly praised by customers.
Mingwei Electronics focuses on power management, LED lighting and LED display driver chip development. The company currently has more than 350 intellectual property rights. Mingwei adheres to the technical route of “quality, cost, refinement and win-win†and is committed to becoming a well-known brand at home and abroad.
Digital Multimeter ,Bench Type Digital Multimeter,Meco Multimeter,Hioki Multimeter
YINTE TOOLS (NINGBO) CO., LTD , https://www.yinte-tools.com