Laurence Marchini, Editor, writes:
We see from your search that you're looking for information on the term "LED drivers",
and we have a large number of manufacturers' news releases and technical articles here on Electronicstalk which will be of interest.
Let me be your guide.
Start with
the news release LED drivers cover all the latest options from
Zetex, which we summarised at the time by saying "Inductive DC/DC convertors drive single or multiple LEDs with currents from 700mA through to 1.5A, in buck, boost and buck/boost configurations".
A couple of weeks before,
we featured the news release Programmable LED driver removes need for binning from
Maxim Integrated Products: "Because of its sophisticated programming capabilities, the MAX16816 overcomes many problems and design limitations in older generation LED drivers".
In December 2007, we covered the news from MagnaChip Semiconductor
concerning its TA8551
- take a look at Backlight power savings are all in the maths
which says: "Algorithm can reduce the luminance of LCD backlights by up to 50% through the analysis of the image data in LCD driver chips and the related adjustment of power consumption rates in the LED drivers".
Take a look also at the news release from Catalyst Semiconductor, LED driver gains a fractional advantage,
as well as Power chip combines four LED drivers with two LDOs from Advanced Analogic Technologies,
and LED driver dims three strings from Maxim Integrated Products.
See also:
Drivers boost contrast on the big screen
(December 2007)
High-brightness LED drivers fit the latest trend in LCD backlighting, which is to synchronise the LCD backlight with the TV picture
LED driver powers green lighting
(November 2007)
Boost driver device reduces component count by handling both charging and driving in solar-powered LED lighting applications
Distributor to expand Germanic share
(November 2007)
Agreement will cover Germany and Switzerland and is in line with TEE's plans to grow European sales through the distribution channel
LED driver suits medium-size LCDs
(November 2007)
A high-voltage CMOS output stage in the device allows five LED strings to be accurately biased and regulated from a low voltage input supply while still delivering efficiency levels of up to 87%
LED drivers provide high-quality video
(November 2007)
The TLC5945 is optimised for video displays with fast video action, such as stadium sporting events, as it provides a very fast refresh rate capability with no delay
LED drivers provide stable colours
(October 2007)
The LM3401 is a high-efficiency hysteretic PFET switching controller that provides a high-performance, constant current drive to a string of LEDs, resulting in a constant colour output
Online tool marries power LEDs with drivers
(October 2007)
The LED Webench helps engineers select from more than 200 high-brightness LEDs in minutes
Power management product cuts space required
(October 2007)
The WM8350 is compatible with multimedia application processors and provides a highly integrated solution without compromising audio performance
Driver powers up large LED displays
(October 2007)
Constant-current sink LED driver is designed for billboard, marquee, instrument and other larger, general-purpose LED displays
Cool LED drivers ease CCFL backlight replacement
(September 2007)
LED driver boards use novel thermal management techniques to take the heat out of backlights for industrial LCDs
Knowledge is power for designers
(August 2007)
Seminar series will focus on tips and tricks for power supply designers working with switch-mode controllers, isolated power supplies, power over Ethernet and LED lighting
Three-channel driver optimises LED performance
(August 2007)
Intelligent and power efficient LED drivers offer a significant advantage to solid-state lighting manufacturers that are serious about reducing the carbon footprint of their ranges
News on the Magtech Industries LED drivers from PIV Technology
(July 2007)
Distribution deal covers an extensive range of LED driver power supplies made by Las Vegas based Magtech Industries
Integrated LED drivers need no support
(July 2007)
Multichannel linear LED drivers minimise board space and simplify display backlighting by requiring no external components
Touch sensors avoid environmental wear and tear
(July 2007)
Flexibility, reliability and performance were key factors in white goods specialist Haier's choice of user controls for its latest generation of washing machines
Video devices target critical subsystems
(June 2007)
Display, audio and power management products enable energy-efficient video in handheld devices
Touch sensors provide notebook interface
(May 2007)
CapSense is used to enable the touch sensing interface inside several HP Compaq Notebook PC models
Ballast device evens out LED brightness
(April 2007)
LED ballast device drives three separate strings of LEDs with 3% accurate current matching, delivering uniform LED brightness
Backlight power chip at the double
(April 2007)
White LED driver features inductive boost convertor powering two independent drivers for driving main panel backlight and OLED subdisplay or additional white LEDs
Miniature LED drivers for use in flip phones
(April 2007)
The MAX8645X/MAX8645Y are miniature white-LED drivers, suitable for use in flip, folder, and slide-style cell phones in which the LCD and camera module are located in the upper half of the phone
LED flash drivers enable multiple applications
(April 2007)
Single-wire dynamically programmable charge pump LED flash driver is capable of driving up to 500mA
Upgraded website covers LEDs, drivers and services
(March 2007)
Website features an easy-to-use database of LEDs from Cotco, Toshiba and Marktech and LED drivers from Toshiba
Design kits put 1W LEDs to work on illumination
(March 2007)
Lighting design kits combine LEDs and assemblies with thermally conductive aluminium alloy substrates
LED drivers prosper in handset flash market
(March 2007)
The current trend towards cameras with flash in mobile phones offers a significant opportunity for manufacturers of driver ICs for LEDs
LED drivers have power-saving features
(February 2007)
The STP16CPS05 from STMicroelectronics is an LED driver that includes auto-power-saving features
MAX16819/MAX16820, high-efficiency LED drivers
(February 2007)
Maxim Integrated Products introduces the MAX16819/MAX16820, high-efficiency LED drivers for architectural, industrial, and automotive lighting applications
Three and four-channel charge pumps to drive LEDs
(February 2007)
Catalyst Semiconductor's CAT3643 and CAT3644 Quad-Mode charge pumps drive three and four LEDs respectively
News on the PhotonIC white LED drivers from California Micro Devices
(December 2006)
California Micro Devices has unveiled a new family of PhotonIC white LED drivers capable of supporting a wide range of high current flash LEDs in today's most advanced handsets
Fast transient response LED driver controller
(December 2006)
Maxim Integrated Products introduces the MAX16818 high-efficiency LED-driver controller for projection and lighting applications
LDO cuts the size of handset lighting supplies
(November 2006)
Small two-bank low-dropout regulator supports LED lighting in portable applications, such as mobile phones, navigation systems, MP3 and media players
Distribution deal expands analogue offerings
(November 2006)
Solid State Supplies has been appointed as a distributor for Santa Clara based manufacturer Catalyst Semiconductor
Drivers have power for high-brightness LED banks
(November 2006)
Fully integrated high-brightness LED drivers address industry needs for mercury-free high-contrast lighting in displays
Power efficiency to the fore in Munich
(November 2006)
Fairchild Semiconductor products found at the core of many of today's consumer, industrial, automotive and ultraportable applications, will be on display on Booth 161 in Hall A6 at Electronica 2006
LED drivers cut backlight supplies down to size
(November 2006)
ON Semiconductor has expanded its LED power portfolio with the addition of two dual-output white LED drivers for handheld and consumer applications