Therefore the multi channel led driver ics can achieve high output powers with minimum pcb area and without expensive thermal components. Bp56hc high voltage multi channel linear led driver. Led driver ic analog devices has a very broad line of led driver ics for automotive, display backlighting, handheld, and general highpower lighting applications. Ncp1840 8channel programmable led driver the ncp1840 is a general purpose led driver that allows for full programmability of eight separate led channels through a simple i2c serial communication interface. Furthermore, the multi channel buck ics uses an external power mosfet for each channel. The prices are representative and do not reflect final pricing. Also, panasonic provides a wide variety of led driver ics for lighting of highluminance leds, such as led lighting, led lanterns, emergency light, and street light.
Watch the aled1262zt video, an automotivegrade 12channel led driver for. In most applications using a low voltage dc input led driver is recommended. Powerbox mastering power highwattage and multichannel. Led drivers will regulate for constant output current instead of constant output voltage, because leds need to be driven with certain current for specific light output. Home products power management ics led driver ic 8 channel led driver with i. Description the max168 highefficiency, highbrightness led hb led driver provides four integrated led currentsink channels.
Tis automotive led driver ics help you build innovative, reliable, costeffective automotive lighting systems that exceed the auto industrys requirements. Led7708 16 channels x 85 ma led driver with boost controller. Especially, it is optimum for the application which uses single liion battery and needs multiple channels of power conversion. Multi channel dimmable driver project support installation guides why nova flex resources for more information click here output voltage 24vdc current 3 x 4a line regulation 0. Single, dual or triple led flash drivers are available from 0. The company has over a decade of experience in developing led drivers for televisions, but digital signage thats installed. Addressing the growing industry demand for a costeffective, flexible and scalable platform architecture to enable existing and emerging led lighting features, nxp semiconductors has announced its multi channel led driver ic portfolio for automotive exterior lighting. Go for quality with linear led driver the typical applications for linear led drivers are to be found in commercial led lighting such as signage, channel letters, led strips and modules, but even automotive interior lights, emergency lights or multi channel color applications for. Max16814 integrated, 4channel, highbrightness led driver with.
Multichannel power management ics pmic richtek technology. This device is optimized for driving rgb leds featuring a 6bit current dac for each color. In led drivers powered from the ac line, it is also important to know whether the application needs to be isolated or nonisolated, and whether the led driver needs to fulfill power factor and thd. Protection and system monitoring kinetic solution handbook page 5 of 32 usb and usbc overvoltage protection single channel load switches with ovp and surge protection.
Linear led driver approach can be the simplest ssl option. Now lets examine some specific examples of advantages afforded by linear ics that were captured in the prior bullet points. Ils programmable 4 channel led driver led light for you. Led7708 16 channels x 85 ma led driver with boost controller and 4wire serial. The top countries of suppliers are china, taiwan, china, from which the percentage of multi channel led driver supply is 91%, 8% respectively. With the featurerich ild6150 ild6070 led driver ics infineon provides highly integrated led buck drivers for medium to high power leds with a breakdown voltage of 60v and smart configurable thermal protection. With one boost ic, our solutions can be scaled from 2 channels to 12 channels with output powers between 30 w to 140 w. Infineon now offers the industrys most comprehensive portfolio for linking the real with the digital world comprising an unparalleled range of hardware, software and security solutions for the connected age. Led drivers and backlighting automotive, led, oled. The led channel current is set by an external resistor connected to the rset pin.
Light up your design with led driver ics our extensive led driver ic product portfolio, design tools, and technical resources can help you add innovative lighting features to your design. Diodes linear led drivers provide a simple costeffective. American bright optoelectronics corporation ams analog devices inc. Up to four matched led strings can be accurately programmed with uniform drive current set by a single external resistor. Led driver ic gleichstromledtreiberics infineon technologies. In addition to products with proven quality, a highly. Lt3746 32channel 20ma led driver with buck controller. The multichannel led driver ics are highly scalable and flexible.
Key parameters for selecting led drivers are input voltage, led string voltage and led string current, single multi string leds and dimming. The asl4500shn has a fixed frequency peak current mode control with parabolicnonlinear slope compensation. Highly efficient led drivers provide optimal performance in general lighting applications and in led backlighting systems for large flat display panels. Liion battery protection ics featuring high accuracy, low supply current and various protections that contribute to enhancing the safety of customers products, etc. There are 61 suppliers who sells multi channel led driver on, mainly located in asia. Multi channel led driver with serial interface for easy programming.
Multi channel led drivers akm provides multi channel led driver lineup up to 27 channels from 9 channels to meet various kinds of needs. Max168 integrated, 4channel, highbrightness led driver. Led drivers samsung led samsung led global website. This driver is fully programmable simply write down the currents in a list in excel, save the file to a usb stick, plug it into the driver and play it back. Our integrated circuits, igbtdrivers, and diodes enable compact, energyefficient acdc power supplies for a vast range of electronic products including mobile devices, tvs, pcs, appliances, led lights, smart utility meters, traction motors, dc. Highwattage and multi channel led driver fact sheet 06 controls and indicators internal fan driver provides power to a long life fan with its speed controlled by a ntc thermistor temperature sensor. Panasonic led driver ics for amusements are used for various applications including mobile phones, smartphones, home electrical appliances and others. Their highefficiency and highswitching frequencies make them well suited to modern consumer equipment. A currentmode switching dcdc controller provides the necessary voltage to both strings of hb leds. In these cases there is a risk of a single channel failing due to led open andor shortcircuits. Product index integrated circuits ics pmic led drivers.
In order to ensure that all leds are turned off simultaneously in the event of failure as an early warning to the driver for increased safety, rohm integrates a unique pbus function that communicates with the other drivers when an abnormality is. Multichannel power management ics pmic subscribe richtek provides complete solutions for power management from buck converter, boost converter, buckboost converter, overvoltage protection ic and integrated power management ic. Mps offers robust, cost effective led drivers to address all types of automotive lighting needs, from headlamp to tail lights and everything inside. See how the multichannel automotive led driver ic, applying back light local dimming, brings true black into the automotive lcd display. It is designed primarily for use in automotive led lighting applications and provides an optimized supply voltage for aslx41xshn multi channel led buck driver. Kinetic technologies features a wide range of products suitable for cameras from 3mpixel to 24mpix and beyond. Most high brightness leds have a forward voltage between 3 3. Mit unserem umfangreichen sortiment an ledtreibericprodukten. Key features highlyintegrated led driver with dynamic current equalization balances current. The cat4104 provides four matched low dropout current sinks to drive highbrightness led strings up to 175 ma per channel. Lm3466 smart linear led driver for multichannel led systems. Diodes led drivers for displayslcd screens consist of highefficiency charge pump multi channel led drivers, inductive boost led drivers and multi channel linear led drivers. Design solution for automotive lcd displays utilizing led. Global led backlight display driver ics market by type 8 channel, 16 channel, 32 channel, and others, by application mobile computing devices, tvs, and automotive infotainment systems, by region and key companies industry segment outlook, market assessment, competition scenario, trends and forecast 20192028.
The cat4106 is an integrated multi channel led driver and high power dcdc converter suitable for powering backlighting applications up to a total of 6 watts. Automatic device reset, including soft start capability. Sepic led driver semiconductor and integrated circuit. Wide output coverage with fine dimming control and comprehensive temperature range. See how multi channel automotive led driver ics implement backlight local dimming, bringing true black to automotive lcd displays. A multistring led array can be built in minutes using an offtheshelf constant current ac dc power supply, just one lm3466, and a few passive components per string.
An integrated currentmode switching controller drives a dcdc converter that provides the necessary voltage to multiple strings of hb leds. Our products and solutions range from led driver ics and mosfets suited for led drivers, to microcontrollers, sensors and hardware that can be used to enable secure commu nication. See how multichannel automotive led driver ics implement backlight local dimming, bringing true black to automotive lcd displays. On semiconductor announced the introduction of the ncp1840, a multi led driver with the ability to drive up to eight leds independently, using any illumination pattern the user creates. A8517 wide input voltage, fault tolerant, independently.
This flexibility makes the a8517 a single solution for a wide range of led applications, in some cases offering the ability to replace two or more led driver ics with a single device. Programmable multi channel driver realizes simultaneous color temperature tuning. Multichannel led driver ics enable advanced automotive. Ricoh electronic devices official website ricoh multiplepmu is a high integrated power management system ic. Multi channel led driver with integrated boost controller for medium, large lcd panel backlight based on led7708 and stm32f103c6t6a. Powerbox mastering power highwattage and multichannel led. Each output channel is suitable for led string voltages of up to. Led drivers automotive mps monolithic power systems. With one boost ic, our solutions can be scaled from 2 channels to 12 channels with output. The current through each of the channels can be up to 30 ma and is controlled via constant current regulation.
Wide input voltage, fault tolerant, independently controlled multi. Max16814 integrated, 4channel, highbrightness led driver. Rohm recently announced the availability of 4ch linear led driver ics with builtin mosfet ideal for led rear lamps turnstop, fog lamps and turn signals for automotive use. The stp24dp05 is a monolithic, lowvoltage, low current power 24bit shift register designed for led panel displays. Depending on the input voltage and the number of leds used in the led string, the converter can be a buck, boost or buckboost. We also would like you to check out this breakout board for the tlc59711 pwm driver chip. Multichannel mini led driver targets digital signage. It is able to drive a 100ma at maximum and easily realize unfettered color expression while maintaining the color reproducibility of led screen for decoration such as amusement equipment. Mini led driver with 12bit grayscale pwm control can drive 36 channel leds concurrently.
Applications using linear led driver ics need a low voltage overhead of the ic so as many leds as possible can be stacked in series. Stp24dp05 24bit constant current led sink driver with. Global led backlight display driver ics market segment. In addition, the ap4203 supports highspeed response for animated expression. This application is for the led driver to be powered from a source that can be higher or lower than the led voltage and must be efficient as possible. This enables the optimal thermal performance of the drivers under high current situations 1. This device is offered in a 20pin, 5mm x 5mm tqfn package, resulting in substantial board space savings. Search for the best device for your system in two different ways. Panasonic provides a wide variety of led driver ics for illumination of mobile phones, smartphones, home electrical appliances, and others. Rtcs including a clock adjust function which correct such as variations of the crystal. The two families, the multiphase boost aslx500 and multichannel buck aslx416 driver ics, are both. The max4896 8 channel relay and load driver is designed for medium voltage applications up to 50v. Adafruit 12channel 16bit pwm led driver spi interface. Akms led drivers are designed with a commitment to energy savings and development of innovative products for amusement applications.
Commonly used in accent lighting, each led string or channel needs an led driver ic, usually a linear led driver ic for up to 250 ma led current, and a switchmode led driver ic for higher led drive currents. Two new technologies significantly reduce board area and design load in automotive led lamp systems. The device contains an 8 x 3bit serialin, parallelout shift register that feeds a 8 x 3bit dtype storage register. Multichannel led driver with integrated boost controller for medium, large lcd panel backlight based on led7708 and stm32f103c6t6a.
Max16838 integrated, 2channel, highbrightness led driver. The company has over a decade of experience in developing led drivers for televisions, but. Our extensive led driver ic product portfolio, design tools, and technical resources can help you add innovative lighting features to your design. Go for quality with linear led driver the typical applications for linear led drivers are to be found in commercial led lighting such as signage, channel letters, led strips and modules, but even automotive interior lights, emergency lights or multi channel color applications for architectural lighting. Cypress semiconductor has become part of infineon technologies. Bd183x7efv four channel led driver ics with builtin mosfet for automotive led lamps rohm has announced the availability of 4ch linear led driver ics with builtin mosfet ideal for led rear lamps, fog lamps and turn signals for automotive use. A major benefit of a linear led driver ic is the excellent emc electromagnetic compatibility behavior, comparable to the resistor solution. Multichannel half bridge drivers products microchip. The pwm dimming duty cycle is independently controlled for each led channel, and each channel can be enableddisabled independently if needed. Contact your local microchip sales representative or distributor for volume and or discount pricing. Lcd bias supply ics are multi channel voltage converter ics used to power the positive and negative bias supplies needed by lcd tft panels. Discrete lcd bias supplies are used in smartphones and tablets with full hd fhd or higher resolution panels.
There are two main types of drivers, those that use low voltage dc input power generally 536vdc and those that use high voltage ac input power generally 90277vac. Most drivers integrate fiexible dimming modes and fault detection features, and come in compact packages to help designers achieve exotic new lighting form factors. The schematic in the following page shows a 4 v sepic led driver using the cs5171 as a dcdc boost regulator. The max16838 is a dual channel led driver that integrates both the dcdc switching boost regulator and two 150ma current sinks. When less cooling is required, the fan will run at a lower rpm to extend its operating life.
An integrated currentmode switching dcdc controller drives a dcdc converter that provides the necessary voltage to multiple strings of hb leds. Multi channel power management ics pmic subscribe richtek provides complete solutions for power management from buck converter, boost converter, buckboost converter, overvoltage protection ic and integrated power management ic. The max16814 highefficiency, highbrightness led hb led driver provides up to four integrated led currentsink channels. Led driver ics for automotive rear lamps rohm semiconductor. Led drivers that use highvoltage ac power are called offline drivers, or ac led drivers. Multi channel led driver with integrated boost controller for mediumlarge lcd panel backlight based on led7708 and stm32f103c6t6 daughter board. Offline led driver applications al9910 benefits t he d i o d e s a d v a n t a ge t5t8t10t12 lamps al99105 benefits t he d i o d e s a d v a n t a ge simple, multi channel nonisolated led driving uses lowcost standard component to drive multiple lowcurrent led chains ideally suited to t5t8t10t12 led lamps exposed pad so8 and standard. A wide variety of multi channel led driver options are available to you, such as ce, ccc. New 4ch linear led drivers ideal for 2wheel rear lamps. The ild1151, a multi topology high power dcdc led driver ic with builtin protection features, offers the most flexible dimming options. This chip can control 12 separate channels of 16bit pwm output. Automotive led drivers products microchip technology inc.
1449 165 1125 167 1107 1108 681 597 1111 412 508 824 573 293 400 1093 887 1043 1462 960 1087 190 357 1032 239 1152 716 1009 1028 429 953 1078 1016 498 1470 104