Opto-Electronics


Latest Articles

Reverse phase dimmer ICs
11 July 2012
LSI/CSI announced the addition of four new reverse phase (trailing edge) dimmers – the LS7636, LS7636FO, LS7637 and LS7637FO – to its line of lighting control ICs. Dimmers made with these new ICs eliminate ...

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Internet-enabled smart lighting solutions
11 July 2012
What if every light bulb had an Internet IP address? Since NXP Semiconductors first raised the question at LIGHTFAIR International (LFI) a year ago, interest in IPv6-enabled smart lighting has soared. The ...

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White LED array
11 July 2012, Altron Arrow
Cree has developed the MT-G2 LED – the first EasyWhite LED array built on the company’s SC³ technology platform. The LED delivers 25% brighter LEDs compared to the previous MT-G, enabling a wider spectrum ...

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IC-output optocouplers
11 July 2012, Hi-Q Electronics
Renesas Electronics announced the availability of two IC-output optocouplers with long creepage distance for applications such as industrial equipment employing the maximum commercial power supply voltage ...

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Touch screen optical filters
11 July 2012, Actum
Instrument Plastics, a UK-based designer, manufacturer and supplier of high-quality optical, RFI, laminated and acrylic infrared filters, also supplies a range of advanced EMC and RFI shielded optical ...

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LED arrays with high CRI
11 July 2012
Bridgelux announced the expansion of its Decor line of high colour rendering index (CRI) LED arrays. Addressing growing demand in the shop and retail, architectural, hospitality and museum lighting markets ...

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Proximity and ambient light sensor
11 July 2012, EBV Electrolink
New from Vishay is a fully integrated proximity and ambient light optical sensor with a low height of 0,8 mm. The VCNL4020 combines an IR emitter, a photo-pin-diode for proximity, an ambient light detector, ...

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CFL ballast controller
11 July 2012, Future Electronics
The IRS2526DS from International Rectifier is a ‘Mini8’ compact fluorescent lamp (CFL) ballast control IC that offers full programmability and a high degree of accuracy and control for all lamp types. ...

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LEDs for downlights
27 June 2012
Downlights provide high-quality background lighting in professional applications. These include shopping malls, offices, industrial buildings and high-end residential premises. The luminaires need a ...

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Constant-power LED controller
13 June 2012, EBV Electrolink
Texas Instruments has débuted 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 ...

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High-power laser bars
13 June 2012
Osram Opto Semiconductors’ new range of laser bars offer efficiency of up to 65% at 200 W optical output power. Laserline, one of the leading manufacturers of diode lasers for industrial material processing, ...

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Low-power optocouplers
30 May 2012, EBV Electrolink
New from Avago Technologies is the ACPL-M21L/021L/024L/W21L/K24L family of low-power 5 MBd optocouplers. They are designed to meet customer needs for high isolation voltage and common-mode rejection (CMR) ...

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AC-DC LED drivers
30 May 2012, Brabek
TRIAC dimmers were originally designed to dim incandescent filament lamps. The ongoing elimination of these lamp types increases the need for alternative dimming methods. The use of TRIAC dimmers in LED ...

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AC/DC LED driver
16 May 2012
New from Marvell is the 88EM8183 deep dimming single-stage AC/DC LED driver IC. It delivers high dimmer compatibility and low component count, while providing light quality and dimming performance comparable ...

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Rugged white LED
16 May 2012
OSRAM Opto Semiconductors’ new Duris P 5 offers a luminous efficacy of up to 110 lm/W (colour temperature 3000 K) and an average lifetime of more than 50 000 hours, even at high currents and temperatures. ...

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Constant-current LED driver
2 May 2012, Altron Arrow
Texas Instruments added a new off-line primary side sensing controller to its portfolio of non-dimming LED drivers. The TPS92310 AC/DC constant current driver with power factor correction (PFC) is suitable ...

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Linear LED drivers
2 May 2012, Communica
Supertex has 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 ...

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Bright white LEDs
2 May 2012, EBV Electrolink
Vishay has expanded its Little Star family of SMD power LEDs with a new series of 1 W cool, neutral and warm white devices that utilise nitride phosphor for enhanced colour stability over temperature. ...

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Buck-boost LED driver
18 April 2012, Altron Arrow
Linear Technology’s LT3791 is a synchronous buck-boost DC/DC LED driver and voltage controller which can deliver over 100 W of LED power. Its 4,7 V to 60 V input voltage range makes it ideal for a wide ...

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Automotive-qualified LEDs
18 April 2012, EBV Electrolink
Vishay announced the release of a new series of power MiniLEDs in 2,3 by 1,3 by 1,4 mm SMD packages. Utilising advanced AlInGaP technology to increase light output by a factor of three, devices in the ...

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