[Introduction] PI's latest LYTSwitch-6-based RGB intelligent lighting driver dimming solution can be said to be a perfect solution in the industry, not only efficiency of 90%, PF greater than 0.9, THD less than 15%, and The ripple is low and the number of eBOM components is very low, perfectly meeting the North American DOE-6 and ENERGY STAR requirements.
PI (Power IntegraTIons), a long-established supplier of LED lighting driver solutions in China's LED lighting market, recently released a big move. Just after the New Year, it released a RGB intelligent lighting dimming driver solution based on LYTSwitch-6 driver. I saw his extraordinary skill when I shot.
Based on a semi-active PFC correction architecture, this solution achieves a perfect balance of several conflicting performance metrics compared to the existing single- and dual-stage architectures on the market. It can be said that it is currently on the market. Performance indicators are very beautiful RGB smart lighting drive dimming solutions.
In the case of PF 0.9, THD "15% and low ripple, the overall efficiency of this solution can reach 85-90%, and the number of eBOM components is very low. The two-stage architecture scheme PF can be as high as 0.99, THD can be less than 10%, and the ripple is also low, but the number of eBOM components is large, and the efficiency is only 80-85%. The single-stage scheme has a very small number of components and a slightly higher efficiency (88-92%), but the output ripple is very high.
PI Jinguang, senior application engineer of PI, said: "The LYTSwitch-6 solution can achieve constant voltage or constant current output in the same design, and the accuracy is also high, can reach ±3%. Without PF correction circuit, no-load power consumption Below 15mW, it can meet the requirements of North American DOE-6 and ENERGY STAR. In addition, this solution has excellent load regulation and excellent transient response, which makes it especially suitable for multi-lamp applications, such as Each load can be individually changed for RGB tri-color lighting applications."
The LYTSwitch-6 solution supports 15W to 65W analog or PWM dimming intelligent lighting applications, whether industrial, domestic or commercial. The LYTSwitch-6 contains 650V or 750V MOSFETs, supports 85-308Vac global mains input, and supports 380-450Vdc DC input. The 45W design eliminates the need for heat sinks and requires only a PCB to achieve efficient heat dissipation, further saving overall cost.
The target application market for the LYTSwitch-6 solution is spotlights, panel lights and ceiling lamps for industrial or commercial smart lighting with output power ranging from 15W to 65W.
PI Senior Application Engineer Jin Jinguang pointed out: "The advantages of this solution are three main points: 1) high efficiency, most of the flicker-free LED lighting design can remove the heat sink; 2) high stable output can be achieved in the entire input voltage and load range 3) A single design can achieve constant voltage and constant current output to meet different application needs."
The LYTSwitch-6 solution is currently available in volume quantities.
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