Driving scheme design of LED fluorescent lamp based on non isolated LED constant current control technology

At present, several trends are promoting the development of LED lighting market. The first is the continuous improvement of high brightness LED efficiency and the continuous emergence of high efficiency and high reliability constant current LED driving power supply. The second is the global legislation prohibiting incandescent lighting and the gradual fading out of CFL […]

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A driving scheme of 7W bulb lamp based on a minimalist circuit and minimal size

According to the characteristics of LED lighting load, the topology of non isolated constant current driving power supply is basically buck buck buck structure. This paper will divide the development of non isolated LED constant current control technology into three generations, discuss the development of the principle of control strategy to realize constant current, analyze […]

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How to realize constant current control of LED lighting circuit

1 Introduction According to the characteristics of LED lighting load, the current topology of non isolated constant current driving power supply is basically buck buck buck structure. The mainstream scheme is to fix the peak current through fixed off time, so as to achieve the control strategy of fixed output current. This paper will discuss […]

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