With unique process technology and applications expertise, our highly integrated led driver ics with onchip fets and diverse control options provide flexibility and functionality in a small solution footprint. This device has been designed with dedicated functions, in order to fulfill the stringent requirements of automotive front lighting applications. Fvmbd18341fvm are 70vwithstanding constant current controller for. Nxps asl3416shn is a three channel buck mode led driver ic delivering constant average dc current to leds for automotive exterior lighting applications. Without any dedicated buck converterwhite led driver ic, you can safely drive many standard hiefficieny white led modules. Design solution for automotive lcd displays utilizing led. Ideal for buck applications like daylight running light drl, blinker, door handle illumination and roof console. The controller uses a peak currentmode control scheme with programmable slope compensation and includes an internal transconductance.
The part is designed for use in the regulation and control of led based rear combination lamps for automotive applications. The switching frequency can be adjusted from 250khz up to 600khz by means of an external resistor or synchronized with other components in masterslave configuration. In addition to high robustness, the components offer a great variety in the selection of circuit topologies, such as boost, sepic, buckboost and buck. The converter operates at frequencies in excess of 300khz and has excellent output current regulation over the input voltage range. The new a6269 from allegro microsystems europe is the latest addition to the companys range of automotive qualified led driver ics. Search for the best device for your system in two different ways. In addition, with conventional led drivers the current levels for tail lamp and stop lamp operation are fixed. Full function led driver ic for automotive interior lighting the is32lt3175 integrates all functions, eliminating the need for a microcontroller and several discrete components. Automotive led drivers our automotive led driver solutions help you build differentiated, reliable and costeffective automotive lighting systems that exceed the auto industrys stringent requirements. Asl4500shn nxps asl4500shn a highly integrated and flexible fourphase dctodc boost converter ic is designed primarily for use in automotive led lighting applications. These led drivers provide designers a variety of design options with integrated or externally switched outputs, parallelseries control, and extensive protection and fault detection functions in small. Dc dc and linear led drivers for automotive and aftermarket exterior lighting interior illumination, infotainment and instrument clusters. Infineons basic led drivers are optimized for the control of low to medium power leds in automotive applications. This helps avoid thermal runaway as the constant current led driver compensates for the changes in the forward voltage while delivering a constant current to the led.
Full function led driver ic for automotive interior lighting. Boost buck buck, buckboost, boost linear controller linear led driver. The device receives instructions through the lin bus and subsequently drives the leds independently. The controller uses a peak currentmode control scheme with programmable slope compensation and includes. Maxims continually expanding portfolio includes products covering the full range of efficient switchmode topologies stepdown, stepup, sepic as well as some linear led drivers. Toshiba launches generalpurpose system power ic with multiple outputs for automotive functional safety toshibas new threephase brushless motor control pre driver ic features sensorless control and closed loop speed control. The led controller enables power management for industrial. Led drivers for lighting we offer a growing portfolio of led drivers used for automotive lighting applications. Energy efficient led driver circuit should be used in automotive applications for the betterment of battery, here the automotive led driver circuit composed with low noise, regulated charge pump dc dc converter ic ltc3200 from linear technology. The new device is a linear, programmable current regulator providing up to 200 ma from each of two outputs to drive arrays of highbrightness leds, and is designed for automotive interior lighting applications including map and dome lighting, glove.
Issi multichannel led driver for automotive stoptail lights six channel linear led driver with adjustable brightness levels for rcl, chmsl applications milpitas, calif. The rgb led driver contains a lin interface slave for parametric programming of led color and intensity. St offers linear and switching led driver ics specifically designed for automotive interior and exterior led lighting applications. Led drivers automotive mps monolithic power systems. Lt3795 70w 70v 1a automotive boost led driver drives daytime running lights, low beam, and high beam strings in series with 95% efficiency. Nxps asl3416shn is a three channel buck mode led driver ic delivering constant.
Once the loss of spi communication is detected, the limp home mode gets activated. The dual channel lin slave led driver ic deliver the precise control of rgb lighting needed to personalize cabin interiors, improve driver attention and enhance the overall driving experience. The at9933db1 is an led driver capable of driving up to 7 1watt leds in series from an automotive input of 9 16v dc. It is able to drive at maximum 10 rows of pnp transistors. The driver ic allows configurable operation during the limp home mode in case spi communication with the microcontroller has failed. Contact your local microchip sales representative or distributor for volume and or discount pricing. System design with the ncv7680 allows for two brightness levels, one for stop and one for tail illumination, or optional pwm control can also be implemented. Suitable led drivers feature an additional dimming mosfet driver to turn the leds on or off in a very short time. Mps led lighting drivers provide solutions for drivers, regulators and triac dimmers. Mlx10803 is a general purpose led driver for high power leds and ideal for buck applications. Ultra simple car interior light dimmer circuit of a pulse width modulated pwm energy saving dc lamp dimmer. The dimming mosfet also protects the leds during any load dumps. Equipped with a set of protection and diagnostic functions and designed to minimize external component count, they provide a compact and optimized solution. At9917 automotive led driver ic with high current accuracy.
Nxp automotive specific led driver ics provide a fully integrated solution for automotive led lighting applications. Diagnostic features are provided to meet automotive requirements, together with a communication interface run to link ics. Analog devices has a very broad line of led driver ics for automotive, display backlighting, handheld, and general highpower lighting applications. Automotive led driver applications general description the at9917 is an advanced. This means each led in the circuit will be the same brightness and will. The whole family of linear constant current sources offers footprint compatibility ranging from 1 to 3 output channels with typ. Litix automotive led driver ic infineon technologies. One led driver is all you need for automotive led headlight.
Automotive led drivers our automotive led driver solutions help you build differentiated, reliable and costeffective automotive lighting systems that exceed the auto industrys. These led drivers provide designers a variety of design options with integrated or externally switched outputs, parallelseries control and extensive protection and fault detection functions in small surface mount packages. A6269 twochannel linear led driver ic for automotive. Led driver ic s highbrightness led drivers are integrated circuits that are optimized to efficiently drive strings of highbrightness leds. Statistics matomo piwik matomo piwik visitor statistics for website optimization, bug analysis, cyber security. This is perfect for automotive circuits were you want a lowdimmed level, in addition to a high power signal. Most drivers integrate flexible dimming modes and fault detection features, and come in compact packages to help designers achieve exotic new lighting form factors. Simply insert this into your circuit and your 20ma led will light up as it should. Another great application is to use it with automotive use because there is a fluctuating voltage in an automobile and this will ensure that your led is operating properly at all times.
Rear lamps are designed to change in intensity during driving and braking operations. The l99ld21 is a monolithic driver ic, which controls the current of two independent high power led strings, whose forward current and voltage can reach up to 1. Figure 4 shows a schematic of an hb led driver designed for automotive lcd backlighting using a max16834. As the low and high beams are turned on and off, their led strings are added to and subtracted from the daytime running light strings by high. Running a series circuit helps to provide the same amount of current to each led.
Issi multichannel led driver for automotive stoptail lights. Automotive lin rgb led driver the ncv7430 is a single. Rohm led drivers for rear lamps feature a 2stage current switching circuit for different current levels, depending on operation. The leddriver functions for automotive rear lighting stop and tail can easily be implemented with a linear leddriver ic requiring a minimum of external components, such as the device shown max16804. Automotive led drivers products microchip technology inc. It will simply remove all the headaches from your installs. Mps offers robust, cost effective led drivers to address all types of automotive lighting needs, from headlamp to tail lights and everything inside. Led drivers for automotive applications rohm semiconductor. The led driver is a selfcontained power supply which has outputs that are matched to the electrical characteristics of the led s. See how multichannel automotive led driver ics implement backlight local dimming, bringing true black to automotive lcd displays.
With the introduction of the bd8381efvm white led driver ic for automotive lamps, rohm semiconductor has significantly extended its range of highly integrated led driver ics. Led driver for automotive led rear combination lamps. Dcdc and linear led drivers for automotive and aftermarket exterior lighting interior illumination, infotainment and. The prices are representative and do not reflect final pricing. Datasheet l99ld21 high power led driver for automotive. The combination driver circuit in figure 1 shows how the lt3795 single channel led driver can be used to power 1a through the daytime running light, low beam.