Latest design and solutions for power and LED lighting applications

Today, people are becoming more and more environmentally conscious, and energy conservation is not only a hot topic, but also a practical action item for important norms and industry leaders in various countries. Looking around our work and living environment, the most commonly used, most common or highly energy-efficient electronic appliances naturally become the first energy-saving action targets, such as computers, flat-panel TVs, set-top boxes, adapters/external power supplies, and light-emitting diodes ( LEDs). ) Lighting, etc. Important global regulatory agencies, such as the US "Energy Star", the United States 80 PLUS, the European Energy Efficiency Code of Conduct (COC), the European Union EuP, Japan Top Runner, China National Institute of Standardization, etc., for these key applications to release updates, more high Energy efficiency regulations enable electronic products to perform the same functions with less power and improve the efficiency of power usage.

Taking the multi-output desktop ATX power supply as an example, the 80 PLUS Silver Specification and the Computing Industry Climate Relief Action (CSCI) Silver Specification have been in effect since July 2009, requiring multiple output desktop ATX power supplies at rated output power of 20 The energy efficiency under conditions of %, 50% and 100% reached 85%, 88% and 85%, respectively. Subsequent 80 PLUS Gold and CSCI Gold specifications will be effective in July 2010, further increasing energy efficiency requirements to 87%, 90% and 87%.

Another example is the flat-panel TV. As the size increases, its energy consumption has increasingly become a concern in the industry. The ENERGY STAR specification for TV version 4.0 will take effect on May 1, 2010. This specification requires that the energy consumption of flat-panel TVs with 32-inch, 42-inch and 60-inch diagonal screens in the working mode are not More than 78 W, 115 W and 210 W, and the 5.0 version of the specification, which will take effect on May 1, 2012, further requires that the energy consumption of these flat-panel TVs does not exceed 55 W, 81 W and 108 W, see table 1. European EuP directives have similar requirements. In addition to requiring reduced operating energy consumption, these specifications also require reduced standby power consumption because the data shows that considerable power is consumed in standby mode. Energy efficiency specifications such as “Energy Star” currently require no more than 1 W for standby energy consumption, and may not exceed 0.3 W or even 0.1 W in the future.

Energy consumption requirements for Energy Star 4.0 and 5.0 TV specifications

Energy consumption requirements for Energy Star 4.0 and 5.0 TV specifications

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