Electronics & Smart Controls
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Mar 02, 2011
ZMDI LED Driver ICs Boost Lumen-per-Watt Efficiency while Keeping Bill of Material Low
ZMD AG, a global supplier of analog and mixed-signal solutions for automotive, industrial, and medical applications, today announced two high-performance devices to complement its family of LED driver integrated circuits. The ZLED7020 and the ZLED7030 LED driver ICs operate at up to 98% efficiency, thus helping to achieve the highest possible lumen-per-watt output in high brightness LED applications.
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Mar 04, 2011
Patented, Isolated LED Driver from Supertex Provides High Current Accuracy with Minimum Parts
Supertex, a recognized leader in high voltage analog and mixed signal integrated circuits (ICs), today introduced HV9971, a patented, isolated, constant current LED driver for solid-state lighting applications. HV9971 has a current accuracy of +/-3% and is ideally suited to control isolated, flyback topologies to enable solid-state lighting fixtures to meet UL compliance for galvanic isolation.
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Mar 14, 2011
Macroblock Introduces High Efficiency Non-Isolated AC / DC LED Driver- MBI6902
Macroblock introduces a new non-isolated, step-down and high efficiency AC / DC LED driver, MBI6902, especially for T8 and E27 lighting applications. The MBI6902 achieves superior efficiency in high brightness LED lighting applications. For example, the efficiency is over 90% when lighting up 6-LEDs @ VAC =110V, 350mA. The MBI6902 is able to drive external MOSFET current up to 3A. In addition, the MBI6902 requires only a few external components. The high efficiency and compact solution of MBI6902 make it most applicable for T8, E27 and general illumination applications.
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Mar 16, 2011
GlacialLight Now Using Innovative LED Driver in Products to Enhance Lumen and Life Performance
GlacialLight, a sub-division of the experienced technology manufacturer GlacialTech Inc., is pleased to announce the newly innovated GlacialPower LED driver that enhances lumen and power-saving performances, making available more compatible, more efficient and more reliable LED lighting products. The GlacialPower LED driver is already in use on GlacialLight's MR16 and AR111 LED bulbs.
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Mar 16, 2011
Supertex HV9860 Reduces System Cost & Complexity through Wiring Fault Protection Feature
Supertex, Inc., a recognized leader in high voltage analog and mixed signal integrated circuits (ICs), today introduced HV9860, a boost LED driver that is designed to optimize LED performance and extend LED life in applications such as RGB or white LED backlighting, LCD TVs and monitors, and LED lamps for general lighting. The IC uses a peak current mode control scheme and includes an internal transconductance amplifier to accurately control output current over all line and load conditions.
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Mar 16, 2011
IST Launches the World’s Highest Power DALI Driver: iDrive® White Knight 32
The latest addition to IST’s portfolio of world-wide patented LED driver technology is the iDrive® White Knight™, the world’s highest powered 32 channel DALI LED driver, which boasts a super slim 1U 19” rack-mounted chassis. Designed specifically for the demanding professional white light market, the White Knight 32 offers unprecedented step-less dimming capabilities down to <1% independently on each of the 32 channel outputs. The White Knight can be configured to drive up to 512 LEDs from 672W of output power.
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Mar 17, 2011
Wired for Light: LED Drivers with Wire Connections
Aimtec has released DC/DC constant current LED drivers with wire connections that attach directly to the LED string. Aimtec’s AMLDLW-Z series accepts a wide (4:1) input voltage range of 7~30VD, stepping down to an output voltage range of 2~28VDC and producing constant current outputs of 350mA, 500mA, 700mA or 1000mA, based on the model. Maximum output power ranges accordingly from 9.8 watts to 28 watts, to support high-brightness LED applications.
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Mar 22, 2011
60V Step-Down LED Driver for Three Independent LED Strings of 100mA LEDs & 10,000:1 True Color PWM Dimming
Linear Technology announces the LT3597, a 60V, 1MHz, step-down DC/DC converter designed to operate as a three channel, constant current LED driver. Each channel of the LT3597 contains a constant current sink LED driver with a dedicated adaptive-output buck converter. This design offers maximum efficiency for applications, such as RGB displays, which require different output voltages for each LED string. From a 48V input, the LT3597 can drive up to three strings of LEDs, each with up to ten 100mA LEDs in series, delivering efficiencies of over 90%. The LT3597’s multichannel capability makes it ideal for backlighting LED billboards as well as industrial, automotive and medical displays. Similarly, its input voltage range of 6V to 60V makes it well suited for industrial, automotive and medical applications. Each LED string can be independently programmed to deliver up to 100mA of LED current with + 2% current matching between strings. Furthermore, each channel can be independently dimmed with True Color PWM™ dimming, offering dimming ratios as high as 10,000:1. A programmable 200kHz to 1MHz fixed frequency operation and current-mode architecture ensures stable operation over a wide range of supply and output voltages, minimizing the size of external components. Additionally, the switching frequency is synchronizable to an external clock. The LT3597’s thermally enhanced 5mm x 8mm QFN package provides a highly compact solution footprint for LED lighting applications.
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Mar 30, 2011
BIAS Low-Power Ruggedized AC-DC LED Drivers Meet Harsh Requirements for Outdoor Lighting
Bias Power’s new BPWXL Series of 4, 6 and 10 Watt constant current LED drivers offer 350mA constant current operation with 1% regulation over the entire input voltage range of 100-308VAC, 50/60Hz. Additionally, the drivers have unique cold-starting circuitry tested to -55°C, that is proven to kick-start LEDs even in frigid outdoor lighting fixture designs. The LED drivers are based on Bias’ patented* circuit designs incorporating a custom ASIC controller.
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Mar 31, 2011
Diodes LED Driver Delivers Higher Current for MR16, 12V and 24V LED Lamp Design
The AL8806 buck LED driver from Diodes Incorporated is capable of producing a constant current of up to 1.5A from voltage sources of between 6V and 30V. Suiting MR16, 12V and 24V LED lamp design, the driver ensures a 5% average LED current accuracy for up to 9 high power LEDs over the wide operating voltage range, helping to significantly improve inter-lamp luminance matching.
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Apr 08, 2011
Astrodyne Releases Constant Current 48 Watt LED Power Supply
Astrodyne Corporation, the leader in standard and modified standard power solutions, announces the release of the OLP48 Series, a 48 watt constant current LED power supply. The OLP48 is a single output, open frame module with output voltages of 12, 24, or 48VDC and features a universal input of 90-264VAC, adjustable OCP level and a built-in active PFC function with ≥0.9 @ 100-230VAC.
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Apr 15, 2011
IR’s IRS2548D LED Control IC Increases Efficiency, Simplifies Design and Reduces Overall System Cost
International Rectifier, IR® (NYSE: IRF), a world leader in power management technology, today introduced the IRS2548D Switched Mode Power Supply (SMPS) control IC for energy efficient applications for high power Light Emitting Diode (LED) illumination including LED street lighting, stadium lighting and theatrical lighting.
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Apr 15, 2011
Macroblock Introduces High Efficiency Non-Isolated AC / DC LED Driver- MBI6902 for T8 and E27 Applications and Low Power Consumption LED Display Driver MBI5035
Macroblock today comes up with two new LED drivers, the MBI6902 with superior efficiency in high brightness LED lighting applications, and the MBI5035, which features low knee voltage of 0.2V to reduce power consumption of LED displays.
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Apr 22, 2011
NXP’s Solid State Lighting Solutions Bring New Levels of Efficiency to Industrial, Warehouse and Street Light Applications
NXP Semiconductors N.V. announced an addition to its broad GreenChip™ SSL family of products, the GreenChip SSL4101T controller IC, which offers new levels of professional-grade performance for Solid State LED lighting power supplies. The GreenChip SSL4101T enables LED lighting for medium to high power commercial and professional applications with industry-leading performance in Total Harmonic Distortion (THD) of less than 20 percent, a high Power Factor (PF) of .99, and high efficiency of 94 percent.
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Apr 27, 2011
Mean Well Announces New Series of DC/DC Constant Current LED Drivers - the LDD Buck Converters
MEAN WELL announced two kinds of encapsulated module type DC-DC Buck converter for LED driving purpose ~ LDD-L and LDD-H series. With constant current mode output, LDD-L features with 9~36VDC input and 2~32VDC output while LDD-H possesses wide range of 9~56VDC input and 2~52VDC output. Both series provide multiple output current options of 300mA/350mA/500mA/600mA/700mA/1A (LDD-H only) for LED system designers to choose from.
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Apr 29, 2011
Low cost 3W and 6W LED-Driver with Constant Current Supply in Ultra Compact Design
RECOM announces the release of an extension to their range of isolated AC/DC-LED-Drivers with constant current-output in 3 to 6 Watt power supply
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May 10, 2011
CamSemi Moves into LED Lighting with New Driver ICs
CamSemi has today announced the launch of the C3120 family of LED driver ICs and its intention to become a major player in one of the fastest-growing sectors of the lighting market. The new family has been specifically designed to drive an advanced boost/flyback topology to deliver the three essential performance requirements for volume LED applications: ‘best in class’ current regulation, high efficiency and power factor correction.
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May 12, 2011
Light-Based Technologies Presents New "Deep-Dimming" Drivers for Helieon™ LED Modules at the Bridgelux Booth at LF2011
Light-Based Technologies Inc. is providing the deep-dimming electronic driver used to display the award winning Helieon™ LED-based lighting module to be prominently displayed at the Bridgelux booth at Lightfair International 2011, the world’s largest annual architectural and commercial lighting trade show and conference, held this year May 17-19th in Philadelphia.
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May 18, 2011
Marvell Introduces Ultra Small DC/DC PWM Buck Driver for Small Footprint PCB and High Design Flexibility
More and more, people are committed to find impactful ways to conserve energy in their homes and businesses. And yet simple solutions, such as LED lighting, have been cost-prohibitive, and thus out of reach for the mainstream consumer. With Marvell's single-chip, unique mixed-signal LED driver architecture, lighting designers can more easily build energy-efficient, superior lighting features and controls into lower cost mainstream professional and consumer products, enabling more widespread adoption of eco-friendly LED lighting.
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May 18, 2011
Phihong’s New AC-DC LED Drivers Provide OEMs with High-Quality Lighting Power
Phihong, a global leader in power solutions, has developed a series of lighting power supplies for LED luminaire applications in both indoor and outdoor environments. The constant-current and constant voltage drivers are worldwide-compatible with high line and low line AC input voltage ranges and provide standard dimming on all outdoor models.
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