2010-08-27
Analog Devices, Inc. (ADI) of Norwood, Massachusetts USA, a producer of semiconductors for signal-processing applications, has introduced its new white LED charge-pump backlight driver - ADP8870.
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2010-08-26
Austriamicrosystems has announced the AS1119, the most advanced and smallest LED dot-matrix driver, the company said it is targeted for dot-matrix displays in mobile phones, personal electronics and toys.
The AS1119 drives 144 LEDs but requires only 9 mm² PCB space, reduces external component count, reduces connector pin count and requires fewer PCB layers. Benefits for end users include an 80 per cent longer battery lifetime, more colourful effects and smoother-running animations.
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2010-08-13
Small Footprint, 1mm2 Boost Switch Saves 60 Percent Board Space in Smartphone Designs
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2010-08-06
Phihong, a global leader in power solutions, has developed an LED driver capable of supplying 90W of power for use in indoor lighting. Designated the PSM090-240P, the power supply's open-frame design allows for ease of integration into interior lighting designs. The device is available in a constant current of 3.75A with an output DC voltage range of 22.8~25.2 and is designed for any input line from input voltage range of 100V to 277V AC.
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2010-06-04
Solid-state lighting (SSL) has become to change from being a niche market to penetrating residential markets. And compact fluorescent lamp (CFL) retro-fit is one of the potential market.
The cost, size and reliability are important for CFL retro-fit applications. One could use either passive PFC (power factor correction) or active PFC to achieve a high power factor.
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2010-06-03
Fairchild Semiconductor introduces two LED drivers, FAN5701 and FAN5702. Both them deliver 92 percent peak efficiency, extending battery life. The company said they are designed for mobile handsets, gaming devices, MP3 players and other small display applications.
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2010-05-28
Diodes Incorporated has announced a multi-topology LED driver IC designed to increase the reliability of high brightness lamps in automotive, industrial, and commercial lighting systems.
The ZXLD1370 LED driver controller operates in buck, boost, and buck-boost modes. It combines patent pending control loops and high-side current sensing to ensure accurate current control of LED strings.
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2010-05-25
LCD backlit power specialist Endicott Research Group (ERG) is offering two new LED driver boards that provide compact, economical solutions to OEM panel designers looking to get the maximum performance out of their displays.
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2010-04-27
PowerWise Controller Maximizes System Efficiency, Simplifies Design and Reduces System Cost
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2010-03-11
Austriamicrosystems, a designer and manufacturer of high performance analog ICs, today announced the AS3645 LED flash driver. This inductive, ultra-small, high-efficiency single/dual LED flash driver offers 25 percent higher output current than existing equivalents. The higher flash power enhances picture and video quality especially in low light environments at the same system size.
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2010-02-25
Three Scalable Reference Designs Support Different Line Voltage Ranges and Offer High Power Factor (> 0.95) over a Wide Range of AC Input Voltage
ON Semiconductor, a premier supplier of high performance, energy efficient silicon solutions for green electronics, announced the launch of a new power factor corrected dimmable LED driver for residential and commercial lighting applications.
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2010-01-28
The SX1508/SX1509 comes with smart features optimized for battery-powered devices
Semtech Corp., a leading supplier of analog and mixed-signal semiconductors, announced the SX1508 and SX1509, two next-generation low voltage level shifting I/O expanders that come in eight- and 16-channels, respectively, with an advanced LED driver and keypad engine capability.
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2010-01-20
Diodes Incorporated, a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete and analog semiconductor markets, today announced a 1 Amp rated linear mode, constant-current LED driver specifically designed to reduce the size and cost of a range of general illumination products, including flashlights and lighting in emergency, garden and poolside applications.
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2009-12-18
Linear Technology Corporation announces the LT3492, a 2.1MHz DC/DC converter designed to operate as a three-channel constant current LED driver. Each of the LT3492’s three channels can drive up to ten 300mA LEDs in series, enabling it to drive up to 30 x 300mA LEDs at efficiencies up to 96%. All three channels are operated by an independent True Color PWM™ signal, enabling each to be dimmed independently to ratios as high as 3,000:1.
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2009-12-18
China team develops the FSEZ1016A LED driver for lighting manufacturers
Fairchild Semiconductor, a leading global supplier of high performance products that enable energy-efficiency, has been selected by one of the world’s largest lighting manufacturers, OSRAM®, to supply LED driver solutions. The FSEZ1016A was developed by Fairchild to meet and exceed the stringent performance benchmarks set by OSRAM.
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2009-12-18
Arrow Electronics, Inc. (NYSE:ARW) has teamed with Cree and National Semiconductor Corp. to deliver a reference design for a flicker-free, wide-dimming-range LED driver board. The new reference design empowers engineers to rapidly develop an LED lighting solution, featuring white LEDs on a programmable board that meets the ENERGY STAR power requirements.
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2009-12-18
Linear Technology announces the LT3760, an 8-channel LED driver, utilizing a step-up DC/DC controller capable of driving up to a 45V string of 100mA LEDs per channel. Its internal 60V, 1MHz DC/DC boost mode controller is designed to operate as a constant current LED driver for up to 80 white LEDs. From a 12V input, the LT3760 can drive 8 channels, each with up to ten 100mA white LEDs in series while delivering efficiencies exceeding 92%. Its multichannel capability makes it ideal for medium and large-sized TFT-LCD backlighting applications.
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2009-12-11
IXYS Corporation announces today sample availability of the LDS8640/41 and LDS8680/81, innovative 2 channels, charge-pump based, high efficiency LED drivers with low dropout voltage for Photo Flash applications. The drivers provide full output power from a single-cell lithium ion battery or supply voltage in the range of 2.7V to 5.5 V.
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2009-12-10
Exar Corporation unveiled the XRP6840, the industry's highest intensity LED flash driver with full management of supercapacitor based flash technology. The XRP6840 delivers up to 4.3Amps flash pulse which is ideal for high resolution mobile phone cameras and standalone digital cameras.
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2009-12-09
Semtech Corp., a supplier of analog and mixed-signal semiconductors, announced the SC652 and SC656 LED backlight charge pump drivers. As new members of the SC65x tiny charge pump platform, these devices are the industry’s first LED drivers to integrate digital low-pass filters that convert a PWM dimming signal’s duty-cycle into DC current for LCD backlighting with white LEDs.
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2009-11-30
Infineon Technologies AG introduced the new BCR320 and BCR420 LED driver families to address the burgeoning market for LED lighting solutions.
According to the company, the new products are specifically designed for driving 0.5W LEDs with a typical current of 150mA to 200mA, and feature a negative thermal coefficient contributing to a long lifetime of LEDs and a digital interface for a pulse width modulation (PWM) signal for dimming.
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2009-11-20
STMicroelectronics, a developer of semiconductors for LED lighting, has announced a new series of highly accurate LED drivers with automatic power saving, enabling electronic signage such as road signs, advertising, stadium displays, battery or solar-powered signs and similar equipment to deliver better, high-resolution viewing by ensuring consistent brightness across the viewing area.
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2009-11-19
Advanced Analogic Technologies, Inc. (AnalogicTech), an analog semiconductor company focused on powering innovative solutions in consumer, industrial, and communications markets, Wednesday made its official move into the LED backlit LCD television market with the first chip set families in a series of innovative power management semiconductor systems designed to significantly enhance energy efficiency and user-experience for LED backlit LCD televisions.
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2009-11-18
Bourns, Inc., a manufacturer and supplier of electronic components, announced that the company has introduced the availability of WEBENCH® Designer customized specifically for Bourns and its inductor customers. In cooperation with National Semiconductor Corp., the Bourns® version of WEBENCH Designer is available now on the Bourns website, www.bourns.com.
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2009-11-17
Toshiba Electronics Europe (TEE) has announced two new integrated constant current LED drivers that provide high accuracy and fast response time in a small SSOP package. These eight-channel devices reduce component count and board space requirements in applications that use displays with multiple LEDs.
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2009-11-10
China 60th National Day has just come to a spectacular end. The Tiananmen Square in Beijing was beautified by a lot of LED displays with abundant color and uniform brightness expressing the congratulations to the National Birthday. Some of these LED displays were provided by Beijing Leyard Co. and GULX Tech Co. Macroblock also shines in the ceremony with constant current LED drivers adopted in these LED displays.
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2009-11-05
NXP Semiconductors today announced three major developments in its portfolio of mains connected LED driver solutions: the success of its SSL2101 LED driver IC in matching LED lifetimes in an accelerated lifetime test; the introducti
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2009-10-27
iWatt, Inc., a provider of digital power IC systems products and technology, today announced the release of the iW3620 Digital Controller for LED lighting applications. It is the industry’s first LED driver IC for 5-40W luminaires with primary side regulation that eliminates the need for an opto-coupler and related components thereby reducing bill-of-material cost and improving reliability.
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2009-10-23
Maxim Integrated Products introduces the MAX7360, a key-switch controller featuring multiple key press/release detection on up to 64 keys, plus 8 extra GPIOs/LED drivers and advanced ESD protection. Individual key codes for each press and release are stored in a FIFO register to enable monitoring of multiple key-switch events.
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2009-10-21
Linear Technology announces the LT3743, a synchronous step-down DC/DC converter designed to deliver constant current to drive high current LEDs. The device’s 5.5V to 36V input voltage range makes it ideal for a wide variety of applications, including industrial, DLP projection and architectural lighting.
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