2009-09-22
Linear Technology announces the LT3519, a 45V, high side current sense DC/DC converter designed to drive high current LEDs. The LT3519’s 3V to 40V input voltage range makes it ideal for applications such as automotive and industrial lighting. The combination of an internal 45V, 750mA switch, Schottky diode and internal compensation provides a highly compact LED driver solution.
Continue reading →
2009-09-21
National Semiconductor Corp. today announced a new LED driver with temperature management control and the addition of an online design environment to support it. The LM3424, a member of National’s PowerWise® energy-efficient product family, drives high-brightness LEDs in a variety of indoor, outdoor and automotive applications. Supported in National’s WEBENCH® LED Designer, its temperature management control, thermal foldback, enables lighting designers to quickly and easily design a reliable thermal syste
Continue reading →
2009-09-18
IXYS Corporation today announced that it has completed the acquisition of the LED driver IC and LCD display driver IC business units from Leadis Technology, Inc.
Continue reading →
2009-09-16
Toshiba America Electronic Components, Inc., (TAEC) is now offering a 60 volt power MOSFET driver for white light emitting diodes (LEDs) targeted for LCD panel backlight applications such as car navigation monitors and 12-inch notebook PCs. These applications typically require high voltage of 24V to 48V to activate 8 to 16 white LEDs in series.
Continue reading →
2009-09-15
Macroblock adopts the leading clock reverse engine in the newly launched 3-channel constant current LED driver, MBI6020, to assure the transmission reliability for LED architectural lighting applications.
Continue reading →
2009-09-07
Maxim Integrated Products introduces the MAX16814, a highly integrated four-string HB (high-brightness) LED driver capable of delivering up to 150mA per string. This device packs in all the features necessary to implement a high-performance backlight driver for LCD TVs, monitors, and automotive displays.
Continue reading →
2009-08-25
National Semiconductor Corp. today introduced the industry's smallest white light-emitting diode (LED) driver with dynamic display backlight control. The LM3530, a member of National's PowerWise energy-efficient product family, drives up to 11 high-current LEDs in series, illuminating larger displays in portable media devices such as smartphones. The LM3530 is offered in a 12-bump micro SMD package measuring just 1.615 mm x 1.215 mm x 0.425 mm.
Continue reading →
2009-08-11
Inventronics announced today that another six of its new lighting driver families have now been approved to the UL 8750 safety standard. This new standard, specifically written for solid state lighting applications, incorporates requirements from a broad array of standards each of which have some applicability to the LED lighting industry.
Continue reading →
2009-08-11
Linear Technology has announced the LT3599, a 45V, 2.1MHz DC/DC boost mode converter designed to operate as a constant current LED driver for up to 40 white LEDs.
From a 12V input, the LT3599 can drive four strings of LEDs, each with up to ten 120mA white LEDs in series while delivering efficiencies up to 90%. Its multichannel capability makes it ideal for medium-sized TFT-LCD backlighting applications.
Continue reading →
2009-08-06
Macroblock, a Taiwan-based manufacturer of LED driver, has released its half-year results of 2009, assessed the business environment, and outlined the business strategy at the investor conference on August 05, 2009.
In 2009 half-year financial report, Macroblock reached revenue of NTD553 millions, decreased by 12.4% compared to that of the same period of last year. The consolidated gross profit margin reached 42.8%. The net income was NTD69.8 millions and the earnings after income tax was NTD2.28 per share.
Continue reading →
2009-08-04
Himax Technologies Inc., a designer of driver IC chipsets and affiliated with Taiwan-based Chi Mei Group, has announced a plan to kick off mass production of white LED (light emitting diode) driver ICs at the end of the third quarter of this year, according to an article on Taiwan Economic Times.
Continue reading →
2009-07-29
Leadis Technology, Inc. (NASDAQ: LDIS), an analog and mixed-signal semiconductor developer of LED driver products for consumer electronics devices, today announced results for the second quarter of 2009, ended June 30, 2009.
Q2 2009 Highlights
-- Leadis divested of its Touch sensor product assets for $6.25 million. Leadis is now focused solely on the design, development and marketing of LED drivers and controllers.
-- Leadis achieved 5 new LED driver design wins in the quarter.
Continue reading →
2009-07-29
Himax Technologies, Inc. (Nasdaq:HIMX) today announced that its white LED (Light-Emitting Diode) driver, the HA7305, has been approved by TFT-LCD panel makers for use in netbook and notebook applications and is expected to commence mass production at around the end of third quarter 2009.
Continue reading →
2009-07-22
Supertex, Inc. (NasdaqGS: SUPX) recently introduced the HV9918, a buck-mode LED driver IC with hysteretic current control and high-side current sensing. It is ideal for a variety of solid-state lighting applications, such as low voltage industrial and architectural LED lighting, signage or decorative lighting, indicator or emergency lighting, as well as a general purpose constant current source.
Continue reading →
2009-07-15
Tower targets green energy sector; LED market expected to exceed $5 billion in 2012, an annual growth rate of 28% from 2008 - 2012
Continue reading →
2009-07-14
HV9961 Achieves High Accuracy Without High-Side Current Sensing
SUNNYVALE, Calif. – Supertex, Inc. has introduced the HV9961, an average-mode, constant control LED driver integrated circuit (IC) designed to drive LEDs using a buck topology. It is well suited for a variety of solid-state lighting applications.
Continue reading →
2009-07-09
Advanced Analogic Technologies Inc (AnalogicTech) is planning to diversify its product offering and a not-so secret weapon in the form of a proprietary bipolar-CMOS-DMOS process - referred to as modular BCD - which accounts for 30% of the company's revenue at present.
Continue reading →
2009-07-08
austriamicrosystems, a global designer and manufacturer of analog ICs for communications, industrial, medical and automotive applications, expands its comprehensive LED driver portfolio with the AS1115, an easy to use user interface (UI) LED driver. The AS1115 combines display driving and key scanning to provide a complete front panel solution which eliminates the use of secondary µP or other logics plus discrete devices, reducing BOM count and cost.
Continue reading →
2009-07-02
Diodes Incorporated (Nasdaq: DIOD), a global manufacturer and supplier of high-quality application specific standard products within the broad discrete and analog semiconductor markets, has introduced a family of three new LED drivers that provide a cost-effective and small form factor solution for small LCD screens used across a wide range of portable consumer electronics, such as portable media players, personal navigation devices and digital photo frames.
Continue reading →
2009-07-02
Supertex (NASDAQ: SUPX), a provider of high voltage analog and mixed signal integrated circuits (ICs), has recently introduced the HV9985, a three channel LED driver IC designed to provide high LED current accuracy through closed loop control of the output current. The IC is ideal for driving multiple strings of backlight or edgelight LEDs in LCD televisions.
Continue reading →
2009-07-01
austriamicrosystems has added the AS1115 to its LED driver portfolio, which combines display driving and key scanning functionality to provide a simple front panel solution. This eliminates the need for a separate microprocessor to provide the front panel display, making the AS1115 well-suited to seven-segment or dot matrix user interface displays for set-top boxes, VCRs, DVD players, washing machines, microwave ovens and other white good or personal electronic applications.
Continue reading →
2009-07-01
Micrel Inc., (NASDAQ: MCRL), a provider of analog, high bandwidth communications and Ethernet IC solutions, has recently rolled out the MIC3230/31/32, a new family of dedicated high brightness LED drivers. These devices are the first in a new series of high brightness LED drivers targeting solid-state lighting and general illumination applications. This LED driver provides the flexibility of driving 1W, 3W and higher power LEDs that are available on the market today.
Continue reading →
2009-06-19
Aimtec has expanded its AMLD-IZ series of step-down DC-DC LED drivers with five new models generating constant output currents reaching 1.2A.
The new models have wide input ranges of 5-36V DC that step down to wide output ranges of 2-32V DC.
They generate constant output currents of 800, 900, 1,000, 1,100 and 1,200mA, with an accuracy of up to +/- 2 per cent, ensuring the constant colour and brightness required by demanding LED applications.
The AMLD-IZ series produces up to 38.4W of power in a compact DIP24 package (31.80 x 20.30 x 10.20mm).
Continue reading →
2009-06-09
Exar Corporation yesterday announced the XRP7620, a 4 channel, I2C controlled LED driver with independent software adjustable channel current control.
Continue reading →
2009-04-30
Macroblock announced its newly-developed 8-channel and 4-channel constant current LED drivers –MBI1828 and MBI1824, for the application of LCD monitor and high brightness LEDs. Since LED contains no mercury and provides highly directional light source, it is suitable for backlighting applications to provide high brightness. By high voltage process technology, MBI1828 and MBI1824 are designed to light up cascaded LEDs in single channel with high luminance.
Continue reading →
2009-04-21
Illumination Power and control specialist Endicott Research Group (ERG), known for its expertise in powering CCFL and LED backlights for LCDs, is developing new LED driver solutions for the solid state lighting market. Leveraging technology developed for its CCFL inverters and LED backlight drivers, ERG will be introducing a family of Smart Force™ LED drivers that combine full-function power supplies with energy-efficient controllers for commercial, industrial, architectural and other SSL applications.
Continue reading →
2009-04-02
Toshiba America Electronic Components, Inc. (TAEC) has released on Wednesday two new highly-efficient white LED drivers, TB62730WLG and TB62750FTG, both of which designed to drive white LEDs for backlight use in LCDs.
The two LED drivers were among several products Toshiba launched yesterday for expanding its Mobile Strategic Initiative, a product and customer support program aimed to facilitate ease of design for new mobile phones and other portable devices.
Continue reading →
2009-03-26
Diodes Incorporated, a leading global provider of semiconductor products, has recently released a family of LED driver ICs which require the support of only four components and operate at switching frequencies up to 600kHZ, which makes possible the use of fewer and smaller external components to be required by driver circuits.
Continue reading →
2009-03-02
Recently, eldoLED has introduced a highly integrated 15 Watt RGB(W) LED driver - L-Dot Pico. The company says the L-Dot Pico is ideal for integration into the smallest of lighting fixtures.
The company stresses that the L-Dot Pico is a breakthrough in LED drive, networking and control form factor. eldoLED technology drives up to 4 LED colour groups from a single, high-precision LED current source, which made the L-Dot Pico’ power efficiency of up to 95%.
Continue reading →
2009-02-26
Recently, RECOM Electronic GmbH has introduced its RCD series of constant current LED Drivers. They deliver a maximum of 1200mA to provide the higher currents needed by the next generation of high brightness LEDs. The company says the LED drivers have been designed to be as reliable as the LEDs they are driving and contain no electrolytic or tantalum capacitors.
Continue reading →