It provides an spi interface for extensive control and diagnostic communication with an external mcu and integrates a customer programmable limp home mode. Texas instruments lm3414 series newest led lighting drivers. Mps led lighting drivers provide solutions for acdc and dcdc lighting. It is designed for lcd backlighting and other led lighting applications with multiple strings of leds. Description the max168 highefficiency, highbrightness led hb led driver provides four integrated led currentsink channels. The max16834 is a currentmode highbrightness led hb led driver for boost, boost buck, sepic, and highside buck topologies. The ild1151, a multitopology high power dcdc led driver ic with builtin protection features, offers the most flexible dimming options. Led driver ics system knowhow applications flexibilitiy. A nterate channel ihrihtness ed drier ith iholtae dcdc. Integrated, 4channel, highbrightness led driver with highvoltage dcdc controller multistring driver provides highest efficiency and complete fault protection with the lowest external component count. Ncp5623 triple output i2c controlled rgb led driver.
The led brightness is controlled by a single resistor from the rset pin to gnd. Cypress semiconductor has become part of infineon technologies. Led drivers automotive mps monolithic power systems. Max1609 integrated 16channel led driver with switchmode. These led drivers offer the highest efficiency, lowest noise, and the smallest footprints. Lt3746 32channel 20ma led driver with buck controller. This driver has 4ch constantcurrent drivers integrated in 1chip, where each channel can draw up to 120ma max, which is also suitable for high illumination led drive. Led current per channel ma switching frequency max khz operating temperature range c lp8866q1 automotive display led backlight driver with six 200ma channels new. Nov 21, 2019 however, there are simple headlight led drivers that require a boosttofloatingbuck architecture. Integrated, 4channel, highbrightness led driver with highvoltage dcdc. Learn more texas instruments tps926q1 automotive single channel led driver.
They also embed protection functions such as overvoltage and overcurrent protection, thermal shutdown and led array protection. Max168 integrated, 4channel, highbrightness led driver. This driver has 4ch constantcurrent drivers integrated in 1chip, which each channel can draw up to 120ma max. Individual channel control onoff interval time control. Stp4cmp low voltage 4channel constant current led driver with. Our broad portfolio of highlyefficient led drivers extend the life of your lighting system designs, enable greater driver and pedestrian safety, and enhance the driver experience headlights from matrix managers to high power density switching led drivers, we have highly flexible solutions to support your single feature or adaptive headlight. Driver board specifications buck topologyselectable constant current of 2. Analog dimming and idle mode control are available through the ctrl input. Integrated, 4 channel, highbrightness led driver with highvoltage dcdc controller max16814 general description the max16814 highefficiency, highbrightness led hb led driver provides up to four integrated led currentsink channels. This chip can control 12 separate channels of 16bit pwm output. Max16814 integrated, 4channel, highbrightness led driver with.
Apr 08, 2016 constant current for battery charging or led driver. By configuring one channel as a boost voltage output with another channel configured as a floating buck current output, its possible to configure a simple boosttofloatingbuck led driver with a single tps92682q1 device. Boost current regulators for led stmicroelectronics. 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. It can also be used for singleinductor boostbuck topology in conjunction with. The picobuck led driver is an economical and easy to use driver that will allow you to control and blend three different leds on three different channels. Aecq100 is a feature which can be also easily selected during the parametric search for led buck driver ic. Each segment consists of the 1page product overview, a short product description, packages and the manufacturer name. St offers linear and switching led driver ics specifically designed for automotive interior and exterior led lighting applications equipped with a set of protection and diagnostic functions and designed to minimize external component count, they provide a compact and optimized solution. An integrated currentmode switching controller drives a dcdc converter that provides the necessary voltage to multiple strings of hb leds. Automotive led drivers products microchip technology inc. The as1112 is a 100ma 16 channel led driver with 12bit pwm and 6bit dot correction ideal for fullcolor led displays like stadium displays, outdoor and indoor displays, displays for public transport, and led video walls. Other features include integrated schottky diodes, accurate led current matching. Ild6150ild6070 60 v buck led driver ic with high accuracy and efficiency.
Analog devices buck boost led drivers allow led bias when the input voltage is either above or below the led voltage. The led controller enables power management for industrial, commercial and residential lighting and illumination. 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. This driver has 4ch constantcurrent drivers integrated in 1chip, where each channel can draw up to 120ma max, which is also suitable. Adafruit 12channel 16bit pwm led driver spi interface. The stp4cmp is a chargepumpbased 4channel led driver designed for rgb illumination or lcd display backlighting. The bucktoot 7027 dcdc buck driver is highlighted by a miniscule size and rich feature set. The picobuck is a small and inexpensive 3channel led driver. As with the ti device described above, the drv output of the chip is designed to supply an external mosfet, which is connected to the leds and helps to reduce slew. An integrated currentmode switching controller drives a dcdc converter that provides the necessary voltage to multiple strings of h.
Boostbuck led driver topology for low input and output. Led backlight driver ics control the voltage and current for white leds used to illuminate lcd panels. The a009 series luxdrive buckblock led driver is a dimmable dc input 1032vdc module for powering highbrightness leds at currents equal to or greater than ma. Uses range from 3w led flashlights, to bicycle lights, to under cabinet led lighting, to solar powered architectural lighting. Leds are connected to the outputs of the driver, out1 through out3. The device receives instructions through the lin bus and subsequently drives the leds independently. The led driver lights up to 30mav of leds in series per channel, and the buck controller gener ates an adaptive bus voltage supplying the parallel led strings. This enables the optimal thermal performance of the drivers under high current situations 1. Mps offers robust, cost effective led drivers to address all types of automotive lighting needs, from headlamp to tail lights and everything inside. Aci detailing technical and practical concepts related to led drivers and lcd backlighting. Rgb buckboost fourchannel led driver with color sequencing. White led boost converter drives up to 40 leds 4 strings of 10 leds. Even my own universal led driver can be overkill at times. Each channel of an rgb led must be connected to the driver separately.
The lt3746 integrates a 32 channel led driver with a 55v buck controller. Led solutions for lcd backlighting topology and architecture flexilbility buck boost improved. Analog devices stepdown buck led drivers are ideal for applications where the input voltage is above the led voltage, as in many automotive or industrial applications. A highside current sense resistor sets the output current, and a dedicated pwm dimming input dim allows for a. Depending on the input voltage and led voltage range, this device can be used with boost or buckboost sepic topologies. Lt3476 high current quad output led driver analog devices. Our synchronous 4switch buckboost led driver architecture transitions between buck, passthrough and boost operating modes seamlessly, offering a well. In addition to driving an n channel power mosfet switch controlled by the switching controller, it also drives an n channel pwm dimming. The available software is organized into the following categories. The mp3378e includes a stepup wled controller with four current channels for backlighting, and a highefficiency buck converter for internal bus voltage or standby power.
Software for the dc4100 series advanced 4 channel led driver. Led solutions for lcd backlighting mouser electronics. Ncp5623 triple output i2c controlled rgb led driver the ncp5623 mixed analog circuit is a triple output led driver dedicated to the rgb illumination or backlight lcd display. Each channel has individual 6bit dot correction current adjustment and 12bit grayscale pwm dimming. The mp3378e is a onechip solution specially designed for monitor applications. An integrated currentmode switching dcdc controller drives a dcdc converter that pro.
The asl3416shn is a three channel buck mode led driver ic delivering constant average dc current to leds independent of the input voltage. This driver has 4ch constantcurrent drivers integrated in. This is ideal in cases such as a single cell lithiumion liion battery driving a single led where the input voltage can vary from 4. Mar 04, 20 leds are connected to the outputs of the driver, out1 through out3. How to flexibly configure an led driver for automotive. This device is designed to drive high brightness leds up to 350ma from a power supply up to 28v.
The input voltage range of the evaluation board is 8 vdc 60 vdc and 600 ma is regulated for led load. The led driver lights up to 30mav of leds in series per channel, and the buck controller generates an adaptive bus voltage supplying the parallel led strings. Highly integrated and low emi 4 channel, 120ma led driver. Xl4016 8a cc cv dc stepdown buck charger led driver converter module testing. Typical applications include portable appliances such as smartphones, tablets, cameras, notebook pcs as well as displays such as computer monitor and tv. Software and drivers package with graphical user interface for operating the device in standard applications. The max168 highefficiency, highbrightness led hb led driver provides four integrated led currentsink channels. A broad range of constant current driver ic can be searched. A wide variety of 4 channel led driver options are available to you, such as ce, ccc, and etl.
The rgb led driver contains a lin interface slave for parametric programming of led color and intensity. Apr 27, 2015 welcome to the first episode of driver ed a youtube channel from applied concepts, inc. At9919 hysteretic buck highbrightness led driver with. Max16814 integrated, 4channel, highbrightness led driver. St offers both single and multi channel highefficiency boost led drivers featuring a wide dimming range, low noise and small footprint. Ktd104 linearmode 4channel led driver kinetic technologies. The max16819 is a buck led driver that operates from a 4.
On semiconductor supplies buck, boost, buckboost, and charge pump dcdc led drivers. Diodes low voltage dcdc high brightness led drivers are targeted at battery powered systems for general illumination applications. Bd81a04efvm is a white led driver with the capability of withstanding high input voltage 40v max. The new single switch 60 v monolithic led driver ic with 4 a peak switch current can be used as an automotive boost buck led driver as shown in figure 1. The led driver operates in dcm for light loads with an adaptive onpulse generation to guarantee 8.
The max16809s currentmode pwm controller regulates the necessary voltage to the led array. Ild6150ild6070 60v buck led driver ic with high accuracy and. Ild6150ild6070 60v buck led driver ic with high accuracy. A nterate channel ihrihtness ed drier ith iholtae dcdc controller. Description symbol value comments input voltage vin. The prices are representative and do not reflect final pricing. Diodes medium voltage dcdc high brightness led drivers combine a small footprint and high power density with operating voltage up to 60v.
Nxps asl3416shn is a three channel buck mode led driver ic delivering constant average. We also would like you to check out this breakout board for the tlc59711 pwm driver chip. Ncv7430 automotive lin rgb led driver the ncv7430 is a single. It employs constantcurrent buck driving which approaches an efficiency of 95% theoretical. Switching frequency max khz operating temperature range c download to excel.
Tps61194 data sheet, product information and support. The lytswitch 4 family enables offline led drivers with high power factor which easily meet international requirements for thd and harmonics. Therefore the multi channel led driver ics can achieve high output powers with minimum pcb area and without expensive thermal components. Some projects call for a bear minimum, simple driver.
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 isl97901 incorporates an independent current controlled driving mechanism for each of the led s to allow accurate brightness control. This 350 khz, 1 a led driver can power between 6 v and 18 v of leds from a 9 v to 36 v input with up to 90% efficiency at maximum load. A nterate channel ihrihtness ed drier ith iholtae dcdc controller eaa avaae. This driver has 4ch constantcurrent drivers integrated in 1chip, which each channel can draw up to 120ma max, so that high brightness led driving can be realized. Efficiency of up to 92% is easily achieved in typical applications. The picobuck supports a wide range of input voltages 6v to 20v which may be connected to the vin header. High efficiency acdc power converter solutions come in a variety of configurations to meet ac to dc converter power, size, and performance needs. Package includes instrument drivers for the labwindowscvi and labview national instruments development environments.
Led drivers for automotive applications design uide. Poormans buck simple, constant current led driver so i created the poormans buck simple switchmode buck constant current led driver thats built without a microcontroller or a specialized ic. Contact your local microchip sales representative or distributor for volume and or discount pricing. Because the current through r8 generates a voltage that toggles about the vdrive level, controlling vdrive controls the current output to the led, making it the control input to the driver circuit. Other features include integrated schottky diodes, accurate led current matching, and mu. Inductor led current flow if the driver is built as described above, it will. Operating with a wide input supply voltage range of 10. The quattroccl 4 channel driver is the ideal choice for controlling 4 independent channels between 0 and 1600ma per channel. Integrated switch led drivers are capable of delivering led currents up to 1. Most drivers integrate fiexible dimming modes and fault detection features, and come in compact packages to help designers achieve exotic new lighting form factors.
Use it in numerous low voltage led driver requirements. The cat4201 is a high efficiency stepdown led driver from catalyst semiconductor. It means that with one driver ic, 1, 2 or 3 led strings can be driven independently of each other. The isl97901 is a highly efficient four channel, 1. Device topologies include buck, boost and buck boost. Easy 32level current setting via one pin serial bus control 1. The asl3417shn is a three channel buck mode led driver ic with a limp home mode feature. All aecq100 automotive led buck driver ic feature internal or external mosfet. Our ac dc converters are used in a wide range of electronics including power conversion for computers, phones. Each channel of the picobuck can drive an led at 350ma on the standard model. Starting at low power, single channel led driver for display backlight or battery applications over multi channel led driver for large screen consumer applications all the way to highpower and highbrightness led driver for flashlight, interior lighting or industrial applications. Its based on al8805 led lighting buck driver from diodes inc. Evaluation kit available integrated, 4channel, high.