Tablet pcs, which are becoming increasingly mainstream, possess several key requirements, including the need for lighter weight, longer operating time, decreased thickness, and improved viewability. Our dcdc led backlight drivers also use dialogs proprietary digital control techniques, including broadled technology to enable the use of loosely binned, lowcost led arrays, as well as a digital control engine that generates the pwm wave form and manages all fault conditions, eliminating the need for expensive microcontrollers. White led supply for lcd backlight mobile phonesmart phones pda and organizers. A configurable bill of materials allows the designer to create a highly efficient solution for a variety of lcd screen sizes.
An lcd driver also referred to as an lcd display driver or lcd controller is an integrated circuit that provides an interface between a microprocessor mpu or microcontroller mcu system and a liquid crystal display lcd. This board features 24 leds 8 led strings with 3 leds per string but additional modules can be cascaded for a larger backlight area. Led backlight driver ics control the voltage and current for white leds used to illuminate lcd panels. Designated tb62737fug, the white led driver ic incorporates an.
The tps61195 ic provides highly integrated solutions for largesize lcd backlighting. New automotivegrade backlight led driver optimized for lcd. 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. Monolithic microwave integrated circuits mmic tunable components. Led driver ic for lighting applications stmicroelectronics.
The integration of advanced functions saves external components and minimizes system cost. Renesas electronics introduces r2a50106ft led driver ic for. Stmicroelectronics, datapoint and darnell 2008 isupply 2010. Led backlight driver ic princeton technology corporation. Led drivers integrated circuits power circuits, lcd, led semtech. Led solutions for lcd backlighting mouser electronics. Led control ics for solidstate lighting luminaires infineons control ics for led drivers deliver excellent power quality and high efficiency for led lighting applications supporting dimming levels down to 1%. Especially suitable for highbrightness lcd panel products, providing better backlight support. Qh60w 612x5w sun dark energy led driver ic 1839v 1500ma bulb panel light led driver 50w. Javascript must be enabled to view full functionality of our site.
Rohm has announced the availability of the latest led driver ic, the bd81a76efvm, optimised for lcd backlight in instrument cluster, centre information displays and car navigation. Backlight led drivers products microchip technology inc. Ti has many technical documents on led driver ic solutions that help engineers understand our products better. The backlight driver provides a regulated current to the led backlight which also allows to control the brightness of the backlight. Unlike conventional drivers with 4 channels that support lcds up to 8, this ic provides 6 channels of output with 120ma per channel that can support lcd. Taec today announced a new driver ic that powers the white lightemitting diodes leds used to backlight color liquidcrystal display lcd panels in mobile devices such as cell phones. Semtechs substantial line of ecobrite led driver ics is used prominently for lcd display backlight and led camera flash applications.
A wide variety of backlight ic options are available to you, there are 10,261 suppliers who sells backlight ic on, mainly located in asia. Semtechs substantial line of ecobrite led driver integrated circuits ics is used prominently for lcd display backlight and led camera flash applications. Dcdc converters with precise and smooth dimming control for lcd panel backlighting. Automotivegrade backlight led driver is optimized for lcd. Rohm today announced the availability of the latest led driver ic, the bd81a76efvm, optimized for lcd backlight in instrument cluster, center information displays and car navigation. Rohm today announced the availability of the latest led driver ic, the bd81a76efvm, optimized for lcd backlight in instrument cluster. This device is composed with 3channel constant current drivers, stepup switching regulator that can drive up to 24pcs led. Aug 31, 2018 led lighting strips are driven by driver ics. Parameters to consider when selecting an led driver ic. Tokyo, may 24, 2011 renesas electronics corporation tse. Led display driver maxim integrated led online catalog. Led backlight home product and service ic products and applications led driver led backlight home product and service ic products and applications led driver led backlight. Automotivegrade backlight led driver optimised for lcd panels.
A wide variety of backlight driver ic options are available to you. If you agree to this agreement on behalf of a company, you represent and warrant that you have authority to bind such company to this agreement, and your agreement to these terms will be regarded as the agreement of such company. From rgb backlight to multiple string white led driver applications, the backlight led driver products family has various solutions to suit different customers needs. Maxim provides stateoftheart display controllers for the segmented and dotmatrix display markets.
The ic and discrete combination offers the ultimate cost vs performance solution for led backlight applications. Wled driver for lcd backlighting with pwm and smbus control interface datasheet rev. Rohms new driver ic expands the range from 6 to 60 leds 1 to 10 ledschannel. The prices are representative and do not reflect final pricing. Our portfolio of over 100 backlight led drivers enhances the user experience across many display sizes in personal electronics, industrial, and automotive applications. Led drivers integrated circuits power circuits, lcd, led.
The my9748, 3x16channel constant current led driver with mpdm multiplex pulse density modulation control, supports any dynamic applications from 12. Led driver channels max led supply voltage v controller integrated key features iled average max ma main supply voltage range min v main supply voltage range max v dcdc converter interfaces digital control interface protection circuits pwm dimming frequency pwm dimming range min % pwm dimming resolution bits pass device led. Typical applications include portable appliances such as smartphones, tablets, cameras, notebook pcs as well as displays such as computer monitor and tv. Backlighting led driver technical documents led driver.
Led drivers for displays backlights diodes incorporated. In that event, licensee herein refers to such company. Battery management 470 battery authentication ics 5. Sep 25, 2019 news rohm announces new automotivegrade backlight led driver optimized for lcd panels september 25, 2019 by ee power editorial rohm announced the availability of the latest led driver ic, the bd81a76efvm, optimized for lcd backlight in instrument cluster, center information displays and car navigation. Contents led solutions for lcd backlighting led array driver featuresbenefits. Led driver integrated circuits for automotive, medical, industrial, and consumer products. Highbrightness leds are now commonly used for automotive applications ranging from headlights to interior lighting to infotainment lcd backlighting.
Lextar electronics corp lextar or the company taiex. Backlight led driver and wled driver solutions from ti for backlighting extend battery power, reduce board space and enhance lcd screen performance. It also contains the light sensor function which can adjust the brightness and darkness according to the ambient light source automatically. Consider forward voltages of each led within the strip when using driver ics to supply one or more strips. Renesas led backlight drivers offer dimming solutions for a wide variety of ambient lighting conditions in general, industrial and automotive lighting applications, including lcd monitors, notebooks, digital cameras, and smartphones. Rohms new automotivegrade backlight led driver optimized. Rohm announces new automotivegrade backlight led driver. The company has a group of topnotch engineering personnel, a company that absorbs foreign cuttingedge technology and has independent innovation. Ti home power management led drivers backlight led drivers.
The my9748, 3x16channel constant current led driver with mpdm multiplex pulse density modulation control, supports any dynamic applications from 12 scan to 2 scan. Led driver ics system knowhow applications flexibilitiy st position. Contact your local microchip sales representative or distributor for volume and or discount pricing. View detailed import data, price, monthly trends, major importing countries, major ports of ic backlight driver. Analog devices has a very broad line of led driver ics for automotive, display backlighting, handheld, and general highpower lighting applications.
Supporting pwm dimming, we can provide services in accordance with the applicable panel current. Dcdc led backlight drivers products dialog semiconductor. In addition, automatic pwmbased backlight dimming is possible when used with rohms bd6092gu controller ic. They extend battery life, reduce board space requirements and enhance the lcd screen performance through heightened dimming methods. Diodes led drivers for displayslcd screens consist of highefficiency and highswitching frequencies make them well suited to modern consumer equipment. Compatibility with 3 to 12 vehicle lcds enables common designs of control board. In most of the case the brightness is controled by a pwm signal or analog voltage. Stevalill071v1, led backlight demonstration board based on the stp04cm05 high current led driver, the st1s40 stepdown dcdc converter and the stm32f030 arm cortexm0 microcontroller. Stld41 white led driver for midsize lcd display backlight, stld41pur, stmicroelectronics. Stacking leds in series on a strip can build voltages that exceed your source from the driver ic. Nxp offers a number of led backlight solutions for all sizes of lcd panels.
Stld41 white led driver for midsize lcd display backlight. Maxims led display controllers include fault detection and output currents as high as 50ma. Led drivers for tablet lcd backlighting product introduction. Led driver channels max led supply voltage v controller integrated key features iled. My9748 3x16 channel commoncathode led driver with nmos switches for dynamic 2 scanning systems general description. Automotivegrade backlight led driver is optimized for lcd panels. Maxims led backlight driver with integrated lcd bias delivers smallest footprint for larger automotive displays max20069 reduces design size by onethird versus competitive solutions. The new r2a50106ft device is a driver ic that powers the white leds used in backlight systems. Toshiba launches white led driver ic for backlights leds. If you agree to this agreement on behalf of a company, you represent and warrant that you have authority to bind such company to this agreement, and your. New automotivegrade backlight led driver optimized for. News rohm announces new automotivegrade backlight led driver optimized for lcd panels september 25, 2019 by ee power editorial rohm announced the availability of the latest led driver ic, the bd81a76efvm, optimized for lcd backlight in instrument cluster, center information displays and car navigation. Led driver ic s highbrightness led drivers are integrated circuits that are optimized to efficiently drive strings of highbrightness leds. Dot matrix lcd driver ic for lcm princeton technology.
Maxims led backlight driver with integrated lcd bias. Led drivers and backlighting automotive, led, oled. Maxims continually expanding portfolio includes products covering the full range of efficient switchmode topologies stepdown, stepup, sepic as well as some linear led drivers. Topologies include buck regulator, boost regulator, offline led drivers and more. Diodes led drivers for displayslcd screens consist of highefficiency and high switching frequencies make them well suited to modern consumer equipment.
Stevalill071v1 reference design backlight led driver. 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. About 57% of these are integrated circuits, 35% are led drivers, and 0% are microcontrollers, standard and specialty. The ncs29001 is an integrated led driver used in lcd display backlighting applications. Led backlight driver board, main use for constant current backlight driver boards for lcd panels. Energyefficient led driver ics for general lighting, display backlighting, automotive, signage and traffic signals. System solutions technology integration and innovation excellent technical support stmicroelectronics, datapoint and darnell 2008 isupply 2010. The result is optimized screen visibility with minimal power consumption, increasing operating time for. White led driver for midsize lcd display backlight. In response, rohm offers a broad lineup of led driver ics that meets the needs of tablet pcs and similar devices. Holtek semiconductor is a leading professional ic design house in taiwan having its major business. Dialogs dcdc led backlight drivers are designed to provide better screen performance in 2d and 3d lcd tvs, large monitors and notebook computers, with.