What is an LED driver?
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Regardless of type, size, or power, all LEDs work best when driven with a constant current source since LED color changes with small variations in driving current. LEDs often support varying system voltages and forward voltages, which can cause variations in LED brightness and color. An LED driver is a self-contained power supply that has outputs matched to the electrical characteristics of your LED or array of LEDs. There are currently no industry standards (as of 2009), so understanding the electrical characteristics of your LED or array is critical in selecting or designing a driver circuit. Drivers should be current-regulated (deliver a consistent current over a range of load voltages). Drivers may also offer dimming by means of pulse width modulation (PWM) circuits. Drivers may have more than one channel for separate control of different LEDs or arrays. |
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| 2012-02-24 | LED drivers optimise backlight TV control LED drivers optimise backlight TV control |
| 2012-02-23 | Eval board for LM3559/LM3560 This evaluation board is designed to fully evaluate the LM3559 and LM3560 synchronous boost converter. |
| 2011-12-07 | LED drivers ICs offer programmable current o/p LED drivers ICs offer programmable current o/p |
| 2011-11-11 | Managing operating trade-offs in flyback LED drivers Managing operating trade-offs in flyback LED drivers |
| 2011-10-17 | Waterproof LED drivers tout 90% efficiency Waterproof LED drivers tout 90% efficiency |
| 2011-10-07 | TI launches phase-dimmable LED lighting drivers TI launches phase-dimmable LED lighting drivers |
| 2011-09-12 | LED drivers aim for indoor apps LED drivers aim for indoor apps |
| 2011-08-15 | Enhance UI in appliances using LED Enhance UI in appliances using LED |
| 2011-07-25 | LED drivers target low-power LED TVs LED drivers target low-power LED TVs |
| 2011-07-11 | How to efficiently interface TRIAC dimmers and LEDs TRIAC dimmers installed worldwide are now at 20 lakh. These dimmers can prove to be a challenge to interface with LED drivers. With such a large base, backward compatibility is a must. |
| 2011-06-30 | LED drivers optimise power efficiency LED drivers optimise power efficiency |
| 2011-05-24 | 3W, 6W LED drivers feature compact design 3W, 6W LED drivers feature compact design |
| 2011-03-08 | LED ref design aimed at candelabra bulb substitute LED ref design aimed at candelabra bulb substitute |
| 2011-03-01 | LED driver IC features primary-side regulation LED driver IC features primary-side regulation |
| 2011-02-01 | Level shifter helps to parallel LED current drivers Level shifter helps to parallel LED current drivers |
| 2010-12-15 | LED driver IC allows high PWM dimming ratios LED driver IC allows high PWM dimming ratios |
| 2010-11-19 | Constant current LED drivers extends over 12W to 20W Constant current LED drivers extends over 12W to 20W |
| 2010-10-08 | LED drivers offer built-in power factor correction LED drivers offer built-in power factor correction |
| 2010-10-07 | LED drivers deliver better, brighter LCD TV images LED drivers deliver better, brighter LCD TV images |
| 2010-10-04 | LED drivers tout dynamic backlight control LED drivers tout dynamic backlight control |
| 2010-09-23 | Barrier rectifier optimises off-line LED drivers Barrier rectifier optimises off-line LED drivers |
| 2010-08-26 | Demo boards available for inductor-based LED drivers Demo boards available for inductor-based LED drivers |
| 2010-08-20 | Backlight LED drivers target 10- to 12-inch LCD panels Backlight LED drivers target 10- to 12-inch LCD panels |
| 2010-08-10 | LED drivers boast compact design for portable apps LED drivers boast compact design for portable apps |
| 2010-07-30 | How to apply additional PWM intensity control to LED drivers How to apply additional PWM intensity control to LED drivers |
| 2010-07-28 | Multicolour lighting employs high-power drivers for RGB LEDs Multicolour lighting employs high-power drivers for RGB LEDs |
| 2010-06-16 | Flicker-free TRIAC dimming LED drivers enable PF > 0.9 Flicker-free TRIAC dimming LED drivers enable PF > 0.9 |
| 2010-06-08 | LED drivers target mobile apps LED drivers target mobile apps |
| 2010-05-17 | LED drivers operate at 0.9V to deliver 80mA LED drivers operate at 0.9V to deliver 80mA |
| 2010-05-06 | Boost driver for long LED strings Boost driver for long LED strings |
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