I was the first to see TNYXXX later HV9910, these are the first to be used in fluorescent, when the LED Downlight power chip used to fool everyone, change drawing said constant current IC. I tried a variety of IC, and finally with the QX9910, this IC design is not a lot of experience, constant effect, in fact, its output power is limited, the power indicators shrink. In 2007-2008 the country have appeared in a variety of IC, there are dozens of some of their own development, some imitation, all of which are second-generation IC Terminator SMD802. LED Strip
The emergence of third-generation IC abroad will not say the country is the the BP2808 emergence gave LED development has contributed to an open circuit, short circuit and thermal protection function, with it, the non-isolated drive power technology cross the border to mature.
The second year has emerged in Taiwan with BP2808 similar IC the GR8210, this IC control from within EMC, Power relaxing CE, but the cost is low efficiency 5 points. Another version of this IC for Si Dang dimming function. GU10
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