Electronics & Smart Controls
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Mar 28, 2012
Harvard Launches New DualDim Drivers
Harvard Engineering, a company dedicated to the design, development and manufacture of LED drivers and control products for the lighting industry recently launched the first two CoolLED drivers in its 'DualDim' product portfolio – the CL50 and CLR50.
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Apr 02, 2012
Power Vector's New Dimmable LED Power Supplies with 30W - 56W, 700mA – 2100mA
LumaStream announces the introduction of two new Power Vector LED Power Supplies: THEA 30 and THEA 56 for powering and dimming high power LED arrays in the range of 700mA to 2100mA.
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Apr 03, 2012
Cirrus Logic Enters LED Lighting Market with Digital Controller Delivering Highest TRIAC Dimmer Compatibility
Cirrus Logic Inc. is entering the emerging high-growth LED lighting market with a digital LED controller that directly solves dimmer compatibility issues that have been a major barrier to consumer adoption of LED retrofit bulbs. Featuring Cirrus Logic’s new digital TruDim™ technology, the CS161X controller family has been tested to provide near 100 percent compatibility with a wide array of dimmers representing the vast majority of the installed base worldwide. The CS161X is already in high volume production with a tier-1 lighting company. Cirrus Logic expects to ship between 5-10 million LED controllers during calendar year 2012.
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Apr 04, 2012
Supertex's New CL8800 & CL8801 Sequential Drivers for Long Strings of LEDs Directly from AC Mains to Replace FL-Tubes
Supertex, a recognized leader in high voltage analog and mixed signal integrated circuits (ICs), today introduced CL8800 and CL8801, sequential, linear LED drivers designed to drive long strings of low cost, low current LEDs in solid-state replacements for fluorescent tubes, incandescent bulbs and CFL bulbs. Both ICs minimize driver circuit component counts, requiring just four or six resistors and a diode bridge in addition to the IC. Two to four additional components in the circuit provide transient protection, and neither capacitors nor magnetic components are required. Because the ICs are multi-stage linear current regulators, there are no high frequency switching currents and, thus, no need for a front-end EMI filter. CL8800 is intended for 230VAC input, while CL8801 is for 120VAC input. Luminous efficiencies of greater than 115lm/W are achievable with both ICs.
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Apr 06, 2012
Allegro MicroSystems, Inc. Introduces New Single Stage Off-Line LED Driver IC Series
Allegro MicroSystems, Inc. introduces the LC5540LD/LF single stage power factor corrected off-line LED driver IC series which is manufactured and developed by Sanken Electric Co., Ltd. in Japan. The robust functions within these single stage converters have been developed to simplify system designs. This new series is targeted at the consumer and industrial markets targeting indoor and outdoor LED lighting and off-line LED lighting applications.
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Apr 12, 2012
Cirrus Logic CS161X Family of TRIAC Dimmable LED Driver ICs
Providing near 100% compatibility with worldwide dimmer hardware, the new CS161X family features the digital intelligence of TruDim™ technology to recognize the dimmer in use and adapt the lamp’s algorithm to provide smooth, flicker-free dimming in single and multi-lamp configurations. Best-in-class TRIAC dimmer compatibility | Dimmable to 0% of light output | Up to 90% efficiency | 5% output current regulation | >0.9 power factor
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Apr 12, 2012
Infineon Enables Next Generation Dimmable LED Lamps with the New Controller ICL8002G
The ICL8002G supports single-stage flyback or buck solutions with PFC and superior dimming functionality. Primary side control techniques enable next generation off-line LED lamps and luminaires with lowest component count for smallest form factors and simplified designs. Solutions powered by ICL8002G achieve noteworthy phase cut dimmer acceptance and continuous dimming over a wide range. The IC incorporates a startup cell for instant light-on and has multiple safety functions.
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Apr 16, 2012
New 18 Watt Constant Current AC/DC LED Power Supply from GWP
Green Watt Power, a Division of Calex Mfg., announces the “GLC-18” Series of Constant Current AC/DC LED power supplies. The GLC-18 Series with universal / full range AC input voltage of 100 - 277VAC, offers stable and reliable 18W output power and is available in three different models of constant current output at 350mA, 500mA and 750mA with self-adjusting output voltage from 18VDC to 54VDC range in the various models. All models are enclosed to IP67 standards in extruded aluminum metal case design and well-suited for virtually all LED lighting applications for indoor, outdoor, signage, refrigeration, thermally harsh and damp environments.
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Apr 20, 2012
Constant-Current & Constant-Voltage Controller with Input & Output Current Sense
Linear Technology announces the LT3796, a 100V, high-side current sense DC/DC controller designed to regulate a constant-current or constant-voltage that is ideal for driving high brightness (HB) LEDs. Its 6V to 100V input voltage range supports a wide variety of applications, including automotive, industrial and architectural lighting. The LT3796 uses an external N-channel MOSFET and can drive up to 85V of white LEDs from a nominal 12V input, delivering in excess of 50 Watts.
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Apr 20, 2012
Fairchild Semiconductor’s FL77xx series LED LED Driver Offers high Reliability and Accurrat Current Control
LED lighting has evolved into a promising solution for replacing conventional lighting sources, such as fluorescent and incandescent lights. However, designers face several obstacles in residential and commercial LED lighting applications up to 20W including bulb, down lighting (GU10/E17, E26/27, PAR30/38) and Tube/Bar. Implementing dimming capabilities in a conventional TRIAC dimmer infrastructure is challenging because of dimmer compatibility. Additionally, small space requirements remain a consideration.
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May 02, 2012
NXP Releases GreenChip for Flexibility in High-Power LED Design
NXP Semiconductors N.V. announced the availability of the SSL2109 – a high-efficiency buck controller for high-power, non-dimmable LED lighting applications using non-isolated topologies. Designed for use with an external power switch, the SSL2109 LED driver IC provides a single design platform for 100V, 120V and 230V mains input voltages and power ranges up to 25 W.
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May 04, 2012
LBT’s New Ultra-compatible (UC) LED Simplifies Triac Dimming Driver Selection
Light-Based Technologies (LBT), a leading developer of intelligent power and control electronics for solid state lighting (SSL), today announced the release of its ultra-compatible deep dimming LED Driver at Lightfair International 2012. The UC LED Driver is targeted at North American and Japanese lighting fixture manufacturers. Dimmer compatibility is a significant challenge in both retrofit and new build SSL applications because of the wide variation seen in conventional triac dimmers. LBT’s advanced firmware algorithms ensure industry leading compatibility across the entire range of triac dimmers.
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May 09, 2012
Microsemi Unveils Ultra-fast-startup LED Driver for Linear Lighting Fixtures
Microsemi Corporation, a leading provider of semiconductor solutions differentiated by power, security, reliability and performance, today unveiled a new dimmable LED driver module optimized for worldwide residential, commercial and industrial light fixtures. The 30 watt (W) LXMG221W-0700030-D0™ LED driver enables start up times of 150 milliseconds (ms) or faster, closely emulating the "lights-on" performance of a typical incandescent lamp. This is important for home and business applications where light start-up delays are unacceptable. Microsemi's new ENERGY STAR-compliant, solid state LED driver provides over voltage and current protection, as well as automatic over-temperature shutdown to facilitate reliable and safe operation.
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May 09, 2012
ALT, Inc. Introduces High-Efficiency Monolithic LED Driver Technology
Advanced Lighting Technologies, Inc. (ALT) today announced a high-efficiency and highly reliable LED lamp driver solution (LED driver) comprising no bulky, unreliable components such as capacitors, coils or EMI filters. ALT''s ultra reliable “AC LED Light Engine”consists of an LED array and ALT’s novel driver, requiring no other parts except two AC power wires. ALT’s driver is compatible with all dimmers, is over 90% efficient, has a power factor greater than 0.95, and the entire driver can be integrated into a tiny 16 pin or 8 pin chip.
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May 10, 2012
TI Introduces Industry's First LED Controller with Constant Power Regulation
Texas Instruments Incorporated introduced a new LED controller with constant power regulation. The LM3447 AC/DC LED driver includes a dimmer detect, phase decoder and adjustable hold current circuits to provide smooth and flicker-free dimming operation in off-line, isolated LED lighting applications, including A19, E26/27 and PAR30/38 bulbs, as well as can light retrofits.
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May 22, 2012
Cirrus Logic CS163X Digital LED Driver IC Features Two-Color Mixing For Efficient, High-Quality Light
The new CS163X family provides two-channel LED color mixing capabilities while featuring the digital intelligence of TruDim™ technology for near 100% compatibility with worldwide dimmer hardware. The CS163X allows more LED bulbs to more efficiently create warm, natural light quality while also lowering the cost barrier for two-channel LED retrofit bulbs. | Best-in-class TRIAC dimmer compatibility | Dimmable to 0% of light output | Up to 30% greater efficacy than single-channel white LEDs Cirrus Logic is setting the standard for dimmer compatibility.
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May 30, 2012
TI Makes LED Lighting Design Easy and Fast
Texas Instruments Incorporated today introduced two fully integrated LED driver micro-modules that eliminate the external components and complex layout placement challenges typical of LED driver designs. The 450-mA TPS92550 and TPS92551 DC/DC LED driver modules are the industry's first to incorporate all the required power and passive circuitry into a single IC package to deliver up to 23W of power to the LED.
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Jun 15, 2012
NXP Announces GreenChip for Low-Cost LED Lamps up to 10W
Eindhoven, Netherlands and Shanghai, China, June 8, 2012 — NXP Semiconductors N.V. (NASDAQ: NXPI) today announced the SSL2115x series of high-efficiency GreenChip™ driver ICs for low-cost LED retrofit lamps. The new SSL21151 and SSL21153 are designed for non-dimmable 5W and 10W LED lamps respectively, providing good current control in flyback and buck-boost configurations.
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Jun 15, 2012
NXP Unveils GreenChip LED Driver with Smart Digital Control
Eindhoven, Netherlands and Shanghai, China, June 11, 2012 — NXP Semiconductors N.V. (NASDAQ: NXPI) today introduced the SSL21101 – the first in a new family of GreenChip™ LED driver ICs featuring Smart Digital Control (SDC) technology. Incorporating intelligent digital control within a compact analog design, the SSL21101 delivers better, more accurate system performance while reducing the bill of materials, providing an ideal solution for non-dimmable, high-performance LED applications up to 15W.
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Jun 15, 2012
Surface Mount DC-DC LED Driver Provides Output up to 700 mA
TUALATIN, Ore. – June 12, 2012 – CUI Inc announced the addition of a new surface mount series to its high efficiency, constant current dc-dc LED driver family. Designed to drive high power LEDs, the VLD25-SMT series provides efficiency levels of up to 96%, current accuracy of ±2%, and an ultra-wide input range of 5.5 to 48 Vdc.
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