It comprises a highefficiency boost converter with an integrated 2a, 40v power mosfet. This led driver incorporates an independent current. The ltc3454 is a synchronous buckboost dcdc converter optimized for driving a single high power led at currents up to 1a from a single cell liion battery input. The result of this was the creation of a custom, extremely small yet powerful and fullfeatured led flashlight driver which ive named the gxb20. Light up 12 leds from a singlecell liion battery via.
The mic2282 operates with an input voltage between 0. Xc6802 series 800ma 1 cell liion and lipo battery linear. What happens though if i pair an xml2 with a single liion cell and a driver without boost. Lda4 212amp 17mm constant current led flashlight driver. It is an ideal power solution for led photo flash applications in all single cell, liion. Light up 12 leds from a singlecell liion battery via highly. The gxb17 is an evolution of my previous project, the gxb20 flashlight led driver, which was my original high power singlecell.
The aat1405 is a high efficiency four led strings backlight driver optimized for notebook computers, monitors and portable tvs. The mp2629 provides switchingmode battery charge management for single cell liion or lipolymer battery. High efficient 6channel wled driver supporting singlecell liion battery input evaluation module tps61176evm566 this product has been released to the market and is available for purchase. The max8662 is available in a 6mm x 6mm, 48pin tqfn package. Connect out to the anode of the flash led, u3yw part numbertape and reel2 aat1278iupt1 skyworks greentm products are compliant with all, data sheet aat1278 1.
The sy20755c is a 5v adapter input with up to 18v surge bidirectional regulator which is designed for single cell liion battery power bank application. It comprises a highefficiency boost converter with an integrated 2a, 40v power mosfet, and six current sink regulators. Sy20719 is a fullyintegrated switching battery charger with an i2c serial interface and system power path management devices for single cell liion and lipolymer battery in a wide range of tablets and. The device features 35v internal power switches, internal schottky diodes, dc or pwm dimming control, open led protection and optimized internal compensation. The rt9467 is a switchmode single cell liionlipolymer battery charger for, portable applications. A driver transistor turns off during the standby mode. Gxb17 a 17mm single cell boost led driver loneoceans. Another led driver circuit based on the mp3302 led driver ic. Single or multiple cell liion battery powered 4channel and 6channel led drivers isl97692, isl97693, isl97694a the isl97692, isl97693, isl97694a are intersils highly integrated 4 and 6channel led.
Mp2660 the mp2660 is a highly integrated, singlecell, liionlipolymer battery charger with system power path management for spacelimited portable applications. Try googling flashlight led driver, there are many such products, which are. Light up 12 leds from a single cell liion battery via highly integrated 3mm. The lt3497 is a dual channel white led driver capable of driving up to 12 white leds from a single cell liion input. Scalable highvoltage linear chargers for single cell liion and li. Simple lm358 opamp based usb liion charger circuits diy. Arctic sands arc1c0608 led driver runs off a single cell liion battery input voltage of 2. Richtek provides discrete power solutions and integrated pmic for mobile phones. The tps61176 is an integrated wled backlight driver for tablets or notebook pcs using singlecell batteries. Multichannel wled driver solution in singlecell, liion battery applications by aat145114051407 and aat3110. There are led drivers made especially for a single liion cell. The mic2282 is a boost led driver optimized for single cell operation from alkaline, nimh, or liion batteries. The kaidomain h1a boost driver can be ordered separately or within three xhp50. Ldb4 is designed to work with external power mosfet source of heat for much higher power dissipation up to.
Gxb17 programmable constant current boost driver introduction. This circuit can be used to efficiently and intelligently charge any single cell liion battery pack like mobile battery, digicam battery, etc. Led driver powered from a singlecell liion battery, or regulated input voltage up to 5. Our discrete power solutions include charger, gauge, wled driver, ovp and dcdc solutions. Here a simple 1 watt led driver circuit based on a modified joule thief design, runs on a 1. Diodes low voltage dcdc high brightness led drivers are targeted at battery powered systems for general illumination applications. Rgb led driver with programmable flashing period and individual rgb brightness control constantcurrent white led driver, with. The gxb17 is an evolution of my previous project, the gxb20 flashlight led driver, which was my original high power single cell programmable led boost driver. Circuit for driving a 5 wat led via 18650 battery electrical. H1a single liion boost driver for 6v xhp and mtg2 emitters. Isl97900crz datasheet renesas electronics corporation. Rt9467 5a single cell liion switching battery charger with. Xml2, single liion cell, driver without boost what happens.
This video contains a demo of the 64x64 full color rgb led matrix with high multiplexing reference design from the ti designs reference design library, alo. Advanced analog products for automotive and industrial. Arctic sand technologies introduces gamechanging highest. The rt9467 is a switchmode single cell liionlipolymer battery charger for,portable applications. The isl97901 is a highly efficient four channel, 1. Operating from a singlecell lithiumion liion battery, intersils isl9769x backlight led drivers feature input voltage as low as 2. The white led backlight is very popular in notebook, portable dvdtv, ipad.
High efficient 6channel wled driver supporting single. Multichannel wled driver solution in singlecell, liion. It is an ideal power solution for led,photo flash applications in all single cell lithiumionpolymer battery. The device is capable of driving asymmetric led strings with independent dimming and shutdown control, perfect for driving backlight. The spv1040 device is a high efficiency, low power, low voltage, monolithic stepup converter with an input voltage range from 0. By integrating high voltage input protection into the charger ic, the mp2602 can tolerate an input surge up to 28v. Get more life from a liion battery with maxlife charging. This application note describes a single cell liion battery charger for a 500 mah battery using the smallest and lowestcost chip in the psoc family, cy8c21x23. After the success of the gxb20 project, i had a lot of requests from the flashlight hobby community for an even smaller, 17mm version. A single liion cell boost led driver for 6v 3a leds xhp50, nichia 144m. Xml2, single liion cell, driver without boost what. The lt3497 is a dual stepup converter capable of driving up to 12 white leds from a single cell liion input. Backlight led drivers run from singlecell liion battery.
Tiny device drives 20 white leds from a single cell liion. The integrated boost converter and precision current sinks operate from. Single cell programmable constant current boost led driver this project was born from the desire to create a simple, compact, lowcost, but very bright led torchlight with highquality light. Tps61176 high efficient 6channel wled driver supporting single. This circuit can drive 9 parallel strings of three white leds in series and can be operated from a 3v dc supply and it is suitable for single cell. High efficient 6channel wled driver supporting singlecell liion battery input. In this state, a failure detection circuit and a monitoring circuit of the battery pin voltage. Mp2660 500ma, i2ccontrolled battery charger with power. Single or multiple cell liion battery powered 4channel. Wled backlight driver for tablets or notebook pcs using singlecell batteries. We are planning to use tps61166 led driver in our design.