Max20069 automotive i 2 ccontrolled 4channel 150ma. Led driver integrated circuits for automotive, medical, industrial, and consumer products. Max734 i2cinterfaced 16port, leveltranslating gpio and. Regulated internal current sinks deliver excellent current and brightness. Led drivers integrated circuits power circuits, lcd, led. High level input voltage for address pins addr1, addr2 l intvcc 0. Adafruit 12channel 16bit pwm led driver spi interface. The tlc59116 is an i 2 c bus controlled 16channel led driver that is. The tlc59116 is an i2c bus controlled 16channel led driver that is optimized for.
This fully assembled board is a 3channel led shield for high power leds with constant current dynamically programmable from 100ma 700ma per channel. Rgb led driver the ncp5623b mixed analog circuit is a triple output led driver. The efficiency is high over the entire battery voltage range to maximize the input power to led power conversion and minimize battery current draw during flash. Stcf05tbr stcf05tbr led lighting drivers high power.
Lm3549 high power sequential led driver datasheet rev. The lm3549 is a high power led driver with up to 2 overcurrentprotection 700ma output current. Independent pwm duty cycle control via i2c for each channel. They are configured as either inductorless charge pump or switching regulatorbased led drivers that support driving white leds in series, parallel or combination. Led drivers are designed for sequential drive so only one driver can be enabled. The max16834 is a currentmode highbrightness led hb led driver for boost, boostbuck, sepic, and highside buck topologies.
Each channels current is programmable using an external currentsense. Led backlight driver ics control the voltage and current for white leds used to illuminate lcd panels. This device contains an 8bit, serialin, parallelout shift register that feeds an 8. Building a driver for absurdly high power leds hackaday. Therefore the multichannel led driver ics can achieve high output powers with minimum pcb area and without expensive thermal components. We also would like you to check out this breakout board for the tlc5947 pwm driver chip. This chip can control 24 separate channels of 12bit pwm output. Video for building an easy circuit for 1w power led driver. Nxp semiconductors pca9952 16channel constant current led driver is an i 2 cbus controlled device optimized for dimming and blinking 57ma redgreenblueamber rgba leds for amusement products. Highefficiency lowprofile led drivers with i2c interface. Adafruit 24channel 12bit pwm led driver spi interface. Our programmable, low power, high performance products are ideally suited for headup and head mounted displays, multicolor led laser displays, backlight illumination applications, high current laser led systems and lcdlcosdlp portable and pico projectors.
The device is available in a high power, 5lead to263 package offering excellent thermal dissipation characteristics. Cat3626 6channel led driver with i2c interface description the cat3626 is a high efficiency 1x1. Contact your local microchip sales representative or distributor for volume and or discount pricing. General description the pca9685 is an i2c bus controlled 16channel led controller optimized for redgreenblueamber rgba color backlighting applications. The tpic2810 device is a monolithic, mediumvoltage, lowcurrent, 8bit shift register design to drive lowside switched resistive loads such as leds.
We also would like you to check out this breakout board for the tlc59711 pwm driver chip. While it is designed to function as an arduino shield it can be driven from any micro controller platform that features an i2c bus interface such as teensy 3. Id like to know if theres an ic that does current regulation to drive the leds and manages the leds i have 5 of them. Analog devices stepup boost led drivers provide current control of multiple leds.
Led lighting components are available at mouser electronics from industry leading manufacturers. A 1% tolerance, or better, resistor shall be used to get the high est accuracy of the led biases. Contribute to terahzi2cleddriver development by creating an account on github. Ncp5623 triple output i2c controlled rgb led driver. Each led output has its own 12bit resolution 4096 steps fixed frequency individual pwm controller that operates.
Highvoltage, 3channel linear highbrightness led driver. The ic integrates one buckboost converter, one boost converter, two gate driver supplies, and a boostsepic converter that can power one to four strings of leds in the display backlight. Ncp5623b triple output i2c controlled rgb led driver. How to use high power led with arduinolow voltage signal. I2c led driver is a high power led driver with i2c control and 12bit resolution features. Getting these high power leds are no longer a problem, but powering them certainly is. Analog devices has a very broad line of led driver ics for automotive, display backlighting, handheld, and general high power lighting applications. The stcf05 is a high efficiency power supply solution to drive multiple flash leds in camera phones, pdas and other handheld devices. Members of this portfolio include i2ccompatible programming interfaces, with compact, high efficiency. Analog devices has a very broad line of led driver ics for automotive, display backlighting, handheld, and general highpower lighting applications. This additional operating mode can be useful to supply other high power devices in the system, such as a handsfree audio power amplifier, or any other component requiring a supply voltage higher than the battery voltage refer to tps61052.
An external current mirror can be used to bias this pin to dynamically set up the i. The device is not recommended for switching inductive loads. Backlight led drivers products microchip technology inc. The led driver lights up to 75ma36v of leds in series per channel, and the buck controller generates an adaptive bus voltage supplying the parallel led strings. The tps6105x device is based on a highfrequency synchronousboost topology with constant current sink to drive single white leds. I2c led driver uses the national semiconductor lm3409hv chip, which allows for up to 5a led current using the appropriate external power mosfet and components. I2c led driver is a high power led driver with i2c control and 12bit resolution. Max16834 highpower led driver with integrated highside. Macom offers a leadingedge portfolio of led and laser driver solutions for innovative oem display products. The device can drive up to six leds in parallel with a total output current of 180 ma. The small module seen below contains the allegro a6281 ic with three 150ma driver circuits for a high power red, green and bluergb led.
Typical applications include portable appliances such as smartphones, tablets, cameras, notebook pcs as well as displays such as computer monitor and tv. When g\ is held low, data from the output storage register is transparent to the output buffers. The switching power supply design ensures efficient power transfer between. This chip can control 12 separate channels of 16bit pwm output. This enables the optimal thermal performance of the drivers under high current situations 1. Find the right led drivers and led driver ics from maxim integrated portfolio of led driver products covering the full range of efficient switchmode topologies stepdown, stepup, sepic as well as some linear led drivers. Max7304 maxim integrated 4 i2c interfaced 16port, leveltranslating gpio and led driver with high level of integrated esd protection note 2. The lt37451 integrates a 16channel led driver with a 55v buck controller. The circuit is based on a buck topology switching power supply using the onchip comparator peripheral within the pic12f675 microcontroller. Semtechs substantial line of ecobrite led driver integrated circuits ics is used prominently for lcd display backlight and led camera flash applications.
I2c led driver uses the national semiconductor lm3409hv chip, which allows for up to 5a led current using the appropriate external power mosfet and components high maximum voltage. Members of this portfolio include i2c compatible programming interfaces, with compact, high efficiency features suited to. Integrated circuits ics pmic led drivers are in stock at digikey. When data in the output buffers is low, the dmos transistor outputs are off. To ensure uniform brightness in lcd backlight applications, each led channel delivers an accurate regulated current. 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. Analog devices stepup boost led drivers provide current control of multiple leds and support for high brightness led lighting, large format led backlighting, cameraenabled smart devices, and a range of related applications. Each channel has individual 6bit dot correction current adjustment and 12bit grayscale pwm dimming.
It has three constant current overtemperatureprotection led drivers and a buck boost smps for driving rgb i2c compatible interface leds with high efficiency. The arc1c0608 is an led driver that is so efficient that it is able to save 0. Max16834 highpower led driver with integrated highside led. For more details about the circuit and schematic diagram, check. Based on the pca9685 controller with pchannel mosfet output drivers, drive led lighting not just little leds, but actual led lighting. The prices are representative and do not reflect final pricing. Description the max16834 is a currentmode high brightness led hb led driver for boost, boostbuck, sepic, and high side buck topologies. In addition to driving an nchannel power mosfet switch controlled by the switching controller, it also drives an nchannel pwm dimming switch to achieve led pwm dimming. High power bright leds require more current than the typical digital logic output pin can provide and they need a driver circuit. The synchronous boost topology with output current control guarantees the proper led current over all possible conditions of battery level and led forward voltage. Ti home semiconductors power management led drivers flash led drivers. Furthermore, the multichannel buck ics uses an external power mosfet for each channel.
Nxp semiconductors pca9952 16channel constant current led driver is an i 2 c bus controlled device optimized for dimming and blinking 57ma redgreenblueamber rgba leds for amusement products. Simple i2c control from an arduino, raspberry pi or other systems. An874 buck configuration high power led driver the circuit and firmware described in this application note demonstrate a minimal parts count driver controller for a lumiled. Here i showed how to light up a high power 10w led with the signal from a microcontroller. Hi, im trying to build a circuit to control some high power leds thru arduino. Each ledn output provides its own 8bit resolution 256 steps fixed frequency individual pwm controller operating at 31. The max16823 threechannel led driver operates from a 5.
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