3 channel led driver ic

Save on power management ics trending price is based on prices over last 90 days. Bcr linear led driver ics are the best choice when you need to drive led strings. Each ic has special features that will enhance the efficiency. This family of led drivers are suitable for automotive and industrial applications requiring high voltage led outputs to support a multicount stack of leds per channel. A typical buck ir led driver solution is shown in figure 3. Driver monitoring systems need a new breed of irled drivers. Typical application circuit example no internal shunt regulator mode.

This device is composed with 3 channel constant current drivers,stepup switching regulator that can drive up to 24pcs led. Al1793, and al1794 are 1channel, 2channel, 3 channel, and 4channel led drivers, respectively. The cat4109 is a 3channel constantcurrent led driver, requiring no inductor. It is designed to control leds with a current up to 120 ma. Our i 2 c led controllers enable core functions in some of todays most ubiquitous devices and applications. Sparkfun led driver breakout lp55231 18 available bob884 the sparkfun lp55231 led driver breakout is a selfcontained solution for developing and deploying the ninechannel i2c led c. Al1793, and al1794 are 1 channel, 2 channel, 3 channel, and 4 channel led drivers, respectively. Lt3746 32channel 20ma led driver with buck controller. Switch mode controller for singleswitch converters.

Acdc led drivers 53 dcdc led drivers 36 linear led drivers 55 motor. Each channel s current is programmable using an external currentsense resistor in series with the leds. Double bts7960b dc 43a stepper motor driver hbridge pwm for arduino smart car f. Mps backlight drivers can support wide input voltage and dimming ratio. 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. The a6281 is a 3 channel constant current led driver that has a wide range of output currents. The average led current of each channel can be changed in 256 steps by changing the pwm duty cycle through an i2c interface. Ultra low dropout regulated current sinks 3 channels. Mps led lighting drivers provide solutions for acdc and dcdc lighting. We offer high voltage led controller, linear led controller and a lin rgb controller. This ic includes thermal shutdown protection that is intended. Configurable lin slave led driver ic mlx81112 melexis.

Hv9985 3channel closedloop switchmode led driver ic data sheet. Litix automotive led driver ic infineon technologies. It can detect openshort led position during operation. Max16814 integrated, 4channel, highbrightness led driver.

The as1110 is a 100ma 16 channel led driver ideal for fixed or slowrolling displays using static or multiplexed led matrix and dimming functions as large led matrix displays, mixed led display in public transports, large displays in stadiums and public areas, emergency light indicators, and traffic signs. During this demo michael bender, product line manager embedded networking, gives more technical details on the single chip rgb led control and explains its main applications in an automotive environment. The tlc5973 is an easytouse, 3channel, 50ma constant sink current led driver. This device is optimized for driving rgb leds featuring a 6bit current dac for each color. Buy products related to constant current led driver products and see what customers say about constant current led driver products on free delivery possible on eligible purchases. Building a 3channel, high power rgb led driver 1 minute read hey guys, i built another board, which is a 3 channel rgb led driver based on an inexpensive chipset called pt4115 you can find them on. The as1112 includes very fast output drivers to have maintain accurracy at low duty cycles. Infineons basic led drivers are optimized for the control of low to medium power leds in automotive applications. A zigbee ic, antenna as well as led driver al1794, 4 channel linear ccr led driver coexist in the same pcb figure 5. Thats why i wanted to write a quick post explaining the varieties, what makes them different, and things you should look for when choosing the led driver s for your lighting application.

Led drivers can be a confusing part of led technology. Led display drivers are available at mouser electronics from industry leading manufacturers. The drivers support 18 high voltage led outputs which can be individually configured for optimal light output, whether performing rgb color or white illumination lighting. The hv9980db1 can drive three commonanode led strings from a 100 140v input at currents up to 70ma in steady state. The led controller enables power management for industrial, commercial and residential lighting and illumination. The ic can deliver 30ma per channel and can be operated from an input voltage range of 3 to 5. Max16823 highvoltage, 3channel linear highbrightness led. Ultra low dropout regulated 3 channel current sinks 40mv typ. Ultra low dropout regulated current sinks 3channels. Cat3603 is a three channel charge pump led driver ic from catalyst semiconductors that can be operated in either ldo mode or fractional mode. Ktd2021 3channel rgb led driver with expresswire control. 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.

The mp6536 features a lowcurrent shutdown mode, standby mode, input undervoltage protection, current limit, thermal shutdown, and fault flag signal outp. Tlc5973 3channel, 12bit, pwm constantcurrent led driver. Hv9980 3channel led array driver ic microchip technology. The last century 90 s, the led display application to single twocolor mainly uses the constant voltage drive ic. This led driver incorporates an independent current controlled driving mechanism for each of the leds, which allows accurate current control of the led brightness. Ws2811 datasheet 3 channal constant current led drive ic. Isl97900crz datasheet renesas electronics corporation. Elmos now already highly efficient power supply components that enable led use in all passenger car applications. Tps92630qpwprq1 automotive threechannel linear led. Ncp5623 triple output i2c controlled rgb led driver. The output current of each channel can be set at up to 38ma max. It utilizes an n channel transistor typical r dson 0. Led backlight driver ics control the voltage and current for white leds used to illuminate lcd panels.

Rgb led drivers ics are used to generate and control 3 different voltages and currents required to illuminate rgb leds used as visual indicators in portable appliances such as smartphones, tablets, smart wifi speakers and other portable appliances. The led driver provides 12bit pulse width modulation pwm resolution. The three led pins are compatible with high voltage up to 25 v supporting applications with long strings of leds. There are so many different types and variations that it can seem a little overwhelming at times. Integrated circuits ics pmic led drivers are in stock at digikey. Circuit diagram of a fixed frequency led driver using mp3302 led driver ic is shown in the diagram fig4 below. The hv9980b1 demoboard is an rgb or multichannel white led backlight driver designed to drive leds for a largescreen tv. The lm3431 drives 3 external npn transistors or mosfets to deliver high accuracy constant current to 3 led strings. Hv9985 3channel closedloop switchmode led driver ic. The hv9985 features a 40v linear regulator, which provides a 5v supply to power the ic. The circuit can drive a string of 10 white leds in series.

The lm3431 is a 3channel linear current controller combined with a boost switching controller ideal for driving led backlight panels in space critical applications. Each constant current driver is able to supply maximum current of 80ma per channel. The a6281 controls led brightness with a pulse width modulation pwm scheme that gives the application the capability of displaying a billion colors in an rgb cluster. I2c controlled white led driver ic for backlight general description package outline the njw4605 is a high efficiency multiple strings white led driver for backlight. The hv9985 is a 3 channel peak current mode pwm controller for driving singleswitch converters in a constant output current mode. Ledbeleuchtungstreiber litix basic 3channel high side driver ic. Its fulldiagnostic and builtin protection capabilities make it a suitable choice forvariableintensity led lighting applications up to the mediumpower range. General description the hv9980 is a fully integrated 3channel peakcurrent pwm controller for driving buck converters in constant output current mode. Rgb or rgba led drivers, led status information, led displays, lcd backlights, keypad backlights for cellular phones, or handheld.

The mp6536 is a 3 channel halfbridge driver ic intended to drive a 3 phase brushless dc motor. The current to pass for each channel can be adjusted by the external resistance and the register setting. 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. The tps92630q1 device is a three channel linear led driver with analog and pwm dimmingcontrol. The as1112 is a spi interfaced, 100ma 16 channel direct led driver ic with 12bit internal pwm and 6bit analog current adjustment.

Output current is adjustable to drive strings in excess of 200 ma. Typical applications include portable appliances such as smartphones, tablets, cameras, notebook pcs as well as displays such as computer monitor and tv. The led controller and driver family is available with 450ma or 3 times 150ma per channel e522. The njw4605 is a high efficiency multiple strings white led driver for backlight.

Description the max16814 highefficiency, highbrightness led hb led driver provides up to four integrated led currentsink channels. The chip can be turned off by pulling the sdb pin low. The asl3416shn is a threechannel buck mode led driver ic delivering constant average dc current to leds independent of the input voltage. How to make led driverled driverled controller youtube. Lm3431 3channel constant current led driver with integrated.

Max16823 highvoltage, 3channel linear highbrightness. The max16823 three channel led driver operates from a 5. Ktd2037 3channel rgb led driver with i2c control, autoblinq. Maxim integrated 5 pin description pin name function tqfn tssop 1 3 dim1 dimming input 1. Max16823 highvoltage, 3 channel linear highbrightness led driver with open led detection. It means that with one driver ic, 1, 2 or 3 led strings can be driven independently of each other. The singlewire, 3 mbps serial interface easyset provides a solution for minimizing wiring cost. Also include a precision internal oscillator and a 12v voltage programmable constant current output drive.

They are configured as either inductorless charge pump or switching regulatorbased led drivers that support driving white leds in series, parallel or combination. Individual channel control onoff interval time control. These i 2 c led controllers work with i 2 c interfaces for applications such as. Litix tm basic tldel is a three channel high side driver ic with integrated output stages. It is optimized for use with a large array of 2080ma led strings, where multiple hv9980 ics are used sharing a common clock and a.

Each channels current is programmable using an external currentsense resistor in series with the leds. Analog devices has a very broad line of led driver ics for automotive, display backlighting, handheld, and general highpower lighting applications. Backlight voltage drivers wled display backlighting. Mar 23, 2017 to get circuit diagram and details click here. The hv9980b1 demoboard is an rgb or multi channel white led backlight driver designed to drive leds for a largescreen tv. Led channel currents up to 175 ma are programmed independently via separate external resistors. Elmos presents a powerful product family for led applications. Dlp rptv or projector led engine driver rgb decorative lighting general led lighting general description the hv9980 is a fully integrated 3 channel peakcurrent pwm controller for driving buck converters in constant output current mode. In cellular handsets, led blinkers and dimmers control keypad, fun lighting, and status leds. The max16823 threechannel led driver operates from a 5.

The whole family of linear constant current sources offers footprint compatibility ranging from 1 to 3 output channels with typ. The lm3431 is a 3 channel linear current controller combined with a boost switching controller ideal for driving led backlight panels in space critical applications. Texas instruments recently introduced their new 3channel highside constantcurrent linear automotive led controller that gives designers more lighting design flexibility. It can be used for driving either rgb leds or multiple channels of white leds.

It is optimized for use with a large array of 20 ma to 80 ma led strings, where multiple. Mps led lighting drivers provide solutions for drivers, regulators and triac dimmers. It internal include intelligent digital port data latch and signal reshaping amplification drive circuit. This approach is superior to conventional methods of running three separate channels with external ballast resistors requiring expensive factory calibration. Panasonic provides a wide variety of led driver ics for illumination of mobile phones, smartphones, home electrical appliances, and others. The lt3003 drives three separate strings of leds up to 350machannel with 3% accurate current matching, resulting in uniform led brightness and intensity. Adafruit 12channel 16bit pwm led driver spi interface. The cat4103 is a 3channel, linear based constantcurrent led driver designed for rgb led control, requiring no inductor and provides a low noise operation. 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. Driver ics are available at mouser electronics from industry leading manufacturers. The ws2811 is 3 output channels special for led driver circuit. Dim1 is a lowfrequency dimming input for channel 1. Highvoltage, 3channel linear highbrightness led driver.

The high voltage outputs enable design engineers to stack multiple leds on the same channel for an increase in light output using a given led current. The industry leading process and packaging technologies make it a perfect choice for various displays. Afes for image sensor analog ics for industrial products. An integrated currentmode switching dcdc controller drives a dcdc converter that provides the necessary voltage to multiple strings of hb leds. Cheap advertising lights, buy directly from china suppliers. Led driver circuit 3 to18v supply voltage range fixed frequency led driver using mp3302 led driver ic. The driver ic is ideally suited for general and professional led lighting applications with high dimming requirements. Led controller ics can also be used for more advanced status or illumination control while offloading host processors in lcd displays. In typical automotive applications the device is capable to drive i. In this 3 ch wdtc scl bulb design, the ref reference current setting resistor for led driver circuit is 8. Remaining part of the circuit is similar to the led driver shown in fig 2.

This device is composed with 3 channel constant current drivers, stepup switching regulator that can drive up to 24pcs led. Njw4605 njw4605v i2c controlled white led driver ic. The ak7864avn is an ic with a builtin 3 channel led driver for driving anode common r, g, b leds with constant current and a charge pump power supply for outputting. Lin rgb led driver ic for automotive ambient lighting product. The singlewire, 3mbps serial interface easyset provides a solution for minimizing wiring cost. Home display power led backlight drivers ics led backlight driver ics control the voltage and current for white leds used to illuminate lcd panels. A logiclow turns off out1 and a logichigh turns on out1. Cat4109 3channel constandcurrent rgb led driver with. 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.