Employ SSL2101, SSL2102 dimmable mains LED driver

Light emitting diodes (LEDs) have been used in electronic systems for many years, primarily as indicator lights on electronic devices. Recent advances in terms of brightness and available colours mean that LEDs can now be used in a wide range of applications—from fun lighting in cell phones and media players to replacing conventional light sources in commercial and domestic lighting applications.

Key enablers driving the expansion of LED lighting are the availability of high brightness LEDs and intelligent LED controllers. Product designers incorporating high brightness LEDs face many challenges. Among them are thermal management, driver scheme/topology and existing infrastructure.

To replace an existing dimmable incandescent or halogen light source, an electronic lamp driver system must be implemented that is compatible with the existing dimmer switch while replicating the dimming behaviour of the existing light source. The SSL2101/2102 IC provide this functionality and, in addition, provides an efficient power converter. These are the first ICs to combine these capabilities, enabling the lamp/module designer to integrate electronics in a cost and size effective way, whilst benefiting from optimal thermal trade-off.

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Originally published by NXP Semiconductors at www.nxp.com as "SSL2101 and SSL2102 dimmable mains LED driver".