Sinrace Power Supply Technology (Shenzhen) Co., Ltd.
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资质认证
| Detailed annotation the shortage of LED driver |
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LED the power supply is also a complementary products, currently on the market power quality is uneven, according to current data queries and during the implementation of the project encountered bad light, generally analysis the reason of shortage for current LED driver: A, Company's technical staff who produce LED lighting and related products have not enough understanding to switching power supply, produced power supply can work properly, but some critical evaluation and electromagnetic compatibility consideration is not enough, there are still must hidden trouble. B, Most of LED power production enterprises are from ordinary switch power transformation LED to come do LED power, and the characteristics of the knowledge to use LED is not enough. C, At present there almost have no standard about LED driver, most are referenced switching power supplies and electronic ballast standards. D, Now most of LED driver not united, so most of the quantity is small. Purchase quantity is small, the price is on the high side, and components suppliers also don't cooperated. E, The stability of LED driver: wide voltage input, high temperature and low temperature, temperature, work over-voltage protection and other issues are not all solved. F, First is the overall life of the driving circuit, especially the key devices such as: capacitance under high temperature to life directly affect the service life of the power supply. G, LED drive should challenge higher conversion efficiency, especially in high power LED driver, because all which not as light output power are dissipated as heat, the low conversion efficiency have influence the energy saving effect of LED display H, Currently in smaller power (1-5 W) applications, the constant current driver power cost share is nearly one-third, has been close to the cost of the light source, and impact on the market promotion in a certain extent. |
