High brightness led driver solutions for general lighting load

Led lighting solutions led lighting solutions 7 app notes eval boards data sheets small form factor design fl7701 analogdimmable pfc buck led current controller description the fl7701 led lamp driver is a simple ic with pfc function. The a80602 and a80605 can control led brightness through external pwm signal. Our aslxxxx series of led drivers includes versatile, applicationspecific, constantcurrent, highbrightness led hbled driver ics. The family contains all the circuitry required for the design of wideinputvoltagerange led drivers for. Rgb leds that share a common anode or cathode terminal are not suitable for use with this circuit.

It provides an ideal solution for interior exterior lighting, architectural and ambient lighting, led bulbs, and other general illumination applications. Led drivers and backlighting automotive, led, oled. Pwm has been adopted as the preferred dimming technique for. High brightness leds for general lighting applications using.

Integration of high brightness led control with a lowcost microcontroller mcu affords a control system. Aug 07, 2018 this boost voltage is stable and high enough for stepping down to led strings up to 5 high brightness leds in series. This allows them to withstand stopstart, cold crank, and load dump conditions encountered in automotive systems. Ac to dc switching led drivers have it all as they switch your line voltage to a constant dc current, suitable for high power leds. Typical application for cav4201 350ma high efficiency stepdown led driver. Hv9918 hysteretic buck highbrightness led driver with. Led lighting power topology solution non phasecut dimming low power smart bulb tubes down light mid power down light flat light ceiling light tubes outdoors high power troffers street light flood light outdoors non dimming 60w 25w segments phasecut dimming switchers single stage nonisolation bd pwm controllers phasecut dimmer. A typical hb led might be characterized at a forward current of 350 ma. Ti offers a wide range of regulator types which include flexible dcdc controllers and integrated converters, innovative led switched matrix managers, linear regulators with dynamic headroom. The maq3203 is a hysteretic, stepdown, constantcurrent, highbrightness led hb led driver. Reports back to the system the status of the led driver and load. Led driver ic for lighting applications stmicroelectronics.

Highbrightness led driver with integrated mosfet and highside. The max16816 evaluation kit ev kit demonstrates the programmable max16816 currentmode, highbrightness led hb led driver ic. This tutorial discusses the expanding role that lightemitting diodes leds are playing in general lighting applications. Ideal for both parallel and series configurations, our led driver portfolio enables highefficiency, high. Hv9805 high voltage led driver microchip technology mouser. Minimizing light flicker in led lighting applications. The max16814 highefficiency, highbrightness led hb led driver provides up to four integrated led current sink channels. Energyefficient led driver ics for general lighting, display backlighting, automotive. With lighting in the real world, it isnt convenient or economical to build everything by hand from a single diode, leds are usually used together in series andor parallel circuits to create the desired outcome. High brightness led control re quires a constant current, maintained over temperature and voltage.

The generalpurpose led driver products family offers board base product portfolio for targeting solidstate lighting and general illumination applications. Generating multicolor light using rgb leds introduction the new high power and brightness rgb leds are going to be used in many different lighting applications as backlighting, general lighting systems, traffic signals, automotive lighting, advertising signs, etc. Highly optimized led lighting chipset power electronics. The maq3203 is well suited for lighting applications requiring a wideinput voltage range. Pdf a highefficiency dimmable led driver for lowpower. Driving led lamps some simple design guidelines leds magazine. Led ic lighting from texas instruments improve efficiency, lower costs and produce more light with less power.

Lighting led lighting driver solutions texas instruments this presentation will provide a general overview of the led lighting driver products available from ti and discuss the outdoor, indoor, industrial, and portable consumer lighting markets and highlight some of the products and tools ti has put forth to simplify the design process for. Input voltage and forward voltage sources of input voltage for led arrays come from batteries or power supplies that have a certain tolerance. Led manufacturers specify the characteristics such as lumens, beam pattern, color of their devices at a speci. Sic based 1, 2 as well as sapphire based leds 3 have proven their capability for high brightness devices, still suffering from various compromises such as cost, esdstability, high series. Highbrightness stepdown led driver controllers with highside.

Our extensive led driver ic product portfolio, design tools, and technical resources can help you add innovative lighting features to your design. Maxims highbrightness led drivers include 25 products covering the full range of linear and switchmode topologies, such as boost, buck, flyback and sepic. An integrated currentmode switching dcdc controller drives a dcdc converter that provides the necessary voltage to multiple strings of hb leds. High brightness, pulsed current led driver solutions for cameras, alarm equipment, scanners and more. Maxim integrateds max20090 is a singlechannel highbrightness led driver for automotive frontlight applications such as high and low beams, daytime running lights, turn signals, and fog lights. Typical application for cav4201 350ma high efficiency stepdown led driver circuit for pwm on rset. The high brightness led drivers can drive up to ten. Max16820 2mhz highbrightness led drivers with highside. Ideal for both parallel and series configurations, our led driver portfolio enables high efficiency, high. St offers a large portfolio of energyefficient dcdc powered led driver ics for general lighting, display led backlighting, automotive exterior and interior lighting, rgb and monochromatic led drivers for signage and traffic signals. Onnn, a premier supplier of high performance silicon solutions for energy efficient electronics, has introduced two new led drivers to help designers optimise their solutions for automotive, industrial and general lighting appli. High brightness leds for general lighting applications.

In general, constant current for high flux leds and. Th e driver and control system must be designed to deliver a constant current to optimize reliabilit y and constancy. High brightness leds hbled and high power white leds are enabling a market transition to energy efficient solid state lighting ssl. The special adopted digital technique of the ic can automatically detect input voltage condition and. This boost voltage is stable and high enough for stepping down to led strings up to 5 high brightness leds in series. Intended to supply 350ma and drive a wide range of leds 415 led driver applications. The mic3203 is a hysteretic, stepdown, constantcurrent, highbrightness led hb led driver. Ncl30000 crm isolated flyback low power 520w also need high power factor led drivers ballasts downlights spot lights outdoor lighting key objectives directly drive leds with tight constant current output regulation. Low power 520w also need high power factor led drivers ballasts downlights spot lights outdoor lighting key objectives directly drive leds with tight constant current output regulation high power factor 0. Infineons basic led drivers are optimized for the control of low to medium power leds in automotive applications. The ncl30051 stage, power factor correction and resonant half bridge, led driver combined with the new ncl30160, a dimmable constant current stepdown led driver, provide an ideal solution for high brightness led driver applications where. The constant current driver circuit requires that each led has isolated connections.

It compares led performance versus other lighting technologies. Pfc and triac dimmable led lighting driver evm dec 09 jan 10 9 18 3 to 5 325ma 7w 85% n y triac linear 265 100 180 tps92010 tl431 lm358 tps92010 evm high performance dimming and high efficiency offline led lighting driver status 1 dim out dim in i s o p f c eff. The ncl30051 stage, power factor correction and resonant half bridge, led driver combined with the new ncl30160, a dimmable constant current stepdown led driver, provide an ideal solution for highbrightness led driver applications where. On semiconductor introduces highly optimised led lighting. The max16816 evaluation kit ev kit demonstrates the programmable max16816 currentmode, high brightness led hb led driver ic. May 10, 2019 maxim integrateds max20090 is a singlechannel highbrightness led driver for automotive frontlight applications such as high and low beams, daytime running lights, turn signals, and fog lights. The hv9805 is ideal for driving a high voltage led load, offering cost advantages in terms of heat management and optics. Ac led drivers are typically used with bulbs that already contain an internal driver that converts the current from ac to dc, so an ac led drivers job is to register the low wattage of leds and step down the voltage to meet the bulbs voltage requirements, usually 12 or 24 volts. The ev kit is configured as a stepdownstepup buckboost topology circuit with peak inductor current control and dc led current control for driving external leds. Led lighting applications high brightness leds hb led and high power white leds are enabling a market transition to energy efficient solid state lighting ssl. When do i use a constant voltage led driver the above example is with high powered leds and on a smaller scale as we only talked of using one led.

Apr 28, 2017 led driver solutions integrate a pwm system to control the brightness by providing a ramp generator, thus simplifying the driver design. Mic3203 display and led drivers general purpose led. Furthermore, in case of partial load operation, you also have to consider the minimum load of the used led driver. Highbrightness hb leds also give a range of forward voltage. Mean wells driver catalog comes with a variety of options dimming, multioutput, pfc, etc. Led drivers a practical understanding for lighting applications a practical understanding.

Litix automotive led driver ic infineon technologies. For system operation, you have to ensure that the output of the used flex strip does not exceed the maximum output of the led driver. Driving led lamps some simple design guidelines leds. Find high brightness led drivers related suppliers, manufacturers, products and specifications on globalspec a trusted source of high brightness led drivers information.

Rohm semiconductors newest led driver is the bd8381efvm for driving multiple hbleds in high and lowbeam headlamps as well as daytime running light applications. Highbrightness led control re quires a constant current, maintained over temperature and voltage. The cav4201 is a high efficiency stepdown converter optimized to drive high current leds. Typical application for cav4201 350ma highefficiency stepdown led driver circuit for pwm on rset. Driving multiple led light sources with one driver is generally done with the leds arranged in series strings to avoid uneven light levels resulting from voltage variations. On semiconductor has introduced two new led drivers to help designers optimize their solutions for automotive, industrial and general lighting applications. A highefficiency dimmable led driver for lowpower lighting. Microchip technology hv9805 high voltage led driver is targeted at general led lighting products, such as led lamps and led lighting fixtures with a maximum power rating of 25w at 120v ac and 50w at 230v ac. Search for the best device for your system in two different ways. Component selections to support 700ma or higher output current reference design is targeting higher power scalable solution for different power levels. Dcdc and linear led drivers for automotive and aftermarket exterior lighting interior illumination, infotainment and instrument clusters.

The led sinks can be paralleled together to achieve higher led currents up to 400 ma. Dcdc converter for smart lighting applications power. They are available in a wattage range of up to 240 w. The bd8381efvm is a white led driver with the capability of withstanding high input voltage 50 v max. The silver box power supply inside a desktop cpu may supply 12v 10%. F 350 ma is specified with a range that includes a typical value as well as overtemperature maximum and minimum values. Lightingclass leds are designed for high temp operation. The a8519 operates from a single power supply from 4.

The output current of the max16800 is adjusted by using an external currentsense resist. Highvoltage, 350ma, adjustable linear highbrightness led. A patented switching control algorithm allows highly efficient and accurate led current regulation. It accepts an input voltage of 5 v to about 60 v to drive a string of leds with a maximum output voltage of 65 v. A common need in led lighting is dimmingcontrolling the brightness over a range from full off to the full brightness. The silver box power supply inside a desktop cpu may supply 12v 10 %. Led driver solutions integrate a pwm system to control the brightness by providing a ramp generator, thus simplifying the driver design.

When selecting a series string driver, the output voltage should be high enough to accommodate the sum of the maximum input voltages of led light sources. Led driversa practical understanding lighting associates. The mic3203 is well suited for lighting applications requiring a wideinput voltage range. Wide brightness control for 3 a, 48 v buck current regulation. The boost converter can drive up to 44 white leds, 11 led per string, at 100 ma. By using the patented preemptive boost control, an led brightness contrast ratio of 15,000. Figure 26 shows a typical 5w mr16 application using rt8479 c, which is a. High brightness led driver solutions for general lighting. The chart below presents the change of the efficiency of hlg15036 operating at 70100% led load and 70100% general load, and indicates that the efficiency will be lower as the total vf forward voltage of leds in series is lower when leds are directly powered by led power supply. Multiple dimming techniques have been developed using both linear and. It provides an ideal solution for interior exterior lighting, architectural and ambient lighting, led bulbs, and other general illumination. Ncl30125 2sw forward controller for low vout high iout led load. Lowvoltage industrial and architectural lighting general purpose constant current source signage and decorative led lighting indicator and emergency lighting general description the hv9918 is a pwm controller ic designed to drive high brightness leds using a buck topology. Led high brightness led driver solutions for general.

An automotive battery, for example, may supply 8v to 16v depending on the load and the age of the battery. Led driver board featuring fl7760 dimming down to 0. With led lighting adoption can save 40% of lighting electricity in 2030. It integrates a currentmode boost converter with internal power switch and four current sinks. Ci load efficiency 90 100 110 120 140 ucc28061 power factor ac input freq 1 60 0. An illuminating look at led driving electronic design.

They are becoming popular mainly because it is possible to. The family contains all the circuitry required for the design of wideinputvoltagerange led drivers for general lighting and display applications. They provide a fully integrated solution for automotive led lighting applicationsmaintaining system flexibility, enabling design reuse, and providing significant scalability in a lowcost solution. Mar 14, 2011 maxims highbrightness led drivers include 25 products covering the full range of linear and switchmode topologies, such as boost, buck, flyback and sepic. The whole family of linear constant current sources offers footprint compatibility ranging from 1 to 3 output channels with typ. The a8519 is a multioutput led driver for smallsize lcd backlighting. The general purpose led driver products family offers board base product portfolio for targeting solidstate lighting and general illumination applications. To solve the challenges that will enable the rapid growth of solidstate led lighting, ti offers a wide variety of led lighting solutions, such as acdc and dcdc led drivers and constantcurrent led regulators, for many applications such as automotive, industrial, and more. For almost any given led lighting application, ti has a led driver solution to meet your design requirements. A highefficiency dimmable led driver for lowpower lighting applications article pdf available in ieee transactions on industrial electronics 572. Highbrightness led lighting overview regardless of type, color, size, or power, all leds work best when driven with a constant current. Typical application for cav4201 350ma highefficiency stepdown led driver. The max16814 high efficiency, high brightness led hb led driver provides up to four integrated led current sink channels.