通用照明市场中的高亮度LED驱动挑战——暨安森美半导体解决方案

Driving High Brightness LEDs in General Lighting--with ON Semiconductor Robust Solutions

本文以LED驱动为重点,分析了通用照明市场中LED驱动面临的挑战,并结合安森美半导体的高性能LED驱动解决方案,探讨了不同的LED驱动应用示例,如通过交流隔离电源为LED供电和通过宽输入范围DC-DC电源为LED供电等;最后,还介绍了能够用于需要高可靠性和持续性的LED应用中的安森美半导体LED分流保护解决方案。

The author puts his emphasis on LED drive, and analyzes the challenges LED drive is facing in the general lighting market. In connection with the high-performance LED drive scheme from ON Semiconductor, the author then explores many different cases for the application of LED drive, such as supplying power to LED by AC isolation power or by wide input DC-DC power supply. In the end, the author recommends the scheme of ON Semiconductor LED shunt protection which can be applied to the situation where highly reliable and sustainable LED is required.