Tech news tagged ‘led driver’

How to design a power efficient LED driver

Choice of LED driver topology can improve the power efficiency of LED backlight systems in mobiles and other battery-powered systems, writes Jan Enenkel of austriamicrosystems 

In the latest generation of smartphones, which feature large displays suitable for showing web pages and video, the LED backlight system is one of…

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Simple LED lighting chip offers switch dimming

Supertex has introduced an LED lighting chip with switch dimming. The IC, dubbed HV9801A, dims LED lamp brightness to one of four preset levels through rapid toggling of a light switch, writes Steve Bush. Light levels progress up and down sequentially and if the switch is turned off for more…

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