Ac direct led driver ics

Pdf a direct ac led driver with high power factor without the use. Search for the best device for your system in two different ways. Ti announces linear led driver ic, supports directac. The tps92411 is a 100v floating mosfet switch for use in offline led lighting applications. Lsicsiannounces the availability of a powerful, all inclusive new system level, high voltage led dimmable driver ic.

Ti announces linear led driver ic, supports directac designs. In most applications using a low voltage dc input led driver is recommended. Analog devices has a very broad line of led driver ics for automotive, display backlighting, handheld, and general highpower lighting applications. This gave manufacturers of powerregulation ics the incentive to. Evertiq ac direct led driver ics in volume production. Led control ics for solidstate lighting luminaires infineons control ics for led drivers deliver excellent power quality and high efficiency for led lighting applications supporting dimming levels down to 1%. This highperformance, lowcost ic has a rugged design optimized for driving led banks directly from the main utility line which eliminates the previously required, expensive and bulky ac dc power supplies formerly used to drive leds. The tps92410 supports a broad range of input voltages and can be used in linear led drivers or alongside the companys floating switch in. This enables a constant current ic for supplying current to a load regardless of input voltage variation. The nxp asl5xxxyhz family is a fully featured and flexible matrix led controller providing a costeffective design solution, targeting advanced automotive exterior lighting applications. Even if your input is high voltage ac, using an additional switching power supply will make it possible to use a dc input driver. A special ic from eurolighting allows led driver circuits to be operated directly with 230 v ac while generating flickerfree light. Ls9100x dimmable high voltage ac direct led driver.

Cl88020 sequential linear led drivers microchip technology. Ti announces linear led driver ic, supports direct ac designs. The whys and wherefores of acdirect driving of led lighting systems. In the distributed architecture, heat is dissipated more widely by a larger number of driver ics, eliminating the single hot spot found in conventional ac direct led systems. Led drivers that use highvoltage ac power are called offline drivers, or ac led drivers.

Directac, linear led driver topology on semiconductor. Digital and mixed signal, single and dualstage high voltage acdc led control ics for led drivers supporting dimming levels down to 1 %. Bridgeswitch motor driver ics for single and multiphase bldc motorsnow support applications up to 400 whardwarebased protection reduces time to market. Fl77944 dimmable highpower led direct ac driver on semi. Such an implementation is also more suitable for ic design. This document presents a simple, lowcost led driver topology useful for ac led lighting solutions at any mains voltage or frequency. Dimmable high voltage direct ac led driver ledinside. Our extensive led driver ic product portfolio, design tools, and technical resources can help you add innovative lighting features to your design. Home products power management led drivers ac dc led drivers ac dc led drivers.

Both simulation and experimental results have been presented to validate the operation of the. On semiconductor fl77944 led direct ac driver is available at mouser and is an integrated circuit solution to enable phasecut, analog, and pwm dimming. Monolithic microwave integrated circuits mmic tunable components. This costeffective driver design combines good power factor, simplicity, high efficiency, and impressive driver. Fairchilds led direct ac driver is the industrys most costeffective integrated circuit solution for driving solid state lighting with high pf and low thd.

The tps92410 supports a broad range of input voltages and can be used in linear led drivers or alongside the companys floating switch in ac led or direct ac implementations. Tps92411 floating switch for offline ac linear direct drive of leds. The ls9100x archimedes series is an allinclusive new system level, high voltage led dimmable driver ic. This dimmable led driver is designed to power a 60 v led voltage string at 125 ma. The cl88020 led driver integrated circuit ic is an offline sequential linear led driver designed to provide 8. Ac direct led driver ics replace ac dc converters or smps switchedmode power supply and controls power without the use of large capacitors and inductors over a range of ac input voltages.