LED drivers for retrofit lamps
3 April 2013
Opto-Electronics
Texas Instruments has introduced the industry’s smallest off-line, phase-dimmable, constant-current lighting controller and an easy-to-use lighting driver that simplify the retrofit of a variety of LED bulbs, including E14, GU10, A19, PAR20/30/38, MR16 and AR111.
The TPS92075 is designed for phase-dimmable, off-line AC-DC LED lamp and downlight applications. Offered in a very small 6-pin TSOT package, it achieves power factor correction above 0,9 while delivering smooth, flicker-free dimming when used with conventional wall dimmers.
The TPS92560 is intended for use in low-voltage AC or DC LED lamp applications such as MR16 and AR111. It uses a proprietary input current control method, which improves compatibility with electronic transformers.
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