Opto-Electronics


Latest Articles

WLED driver for HB lighting
21 July 2010, NuVision Electronics
The MP4688 from Monolithic Power Systems is a 1 A, 80 V input-voltage buck WLED driver for HB LED lighting applications. A proprietary adaptive hysteresis current mode control scheme delivers accurate ...

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Dimmable LED controller
21 July 2010, Altron Arrow
NXP Semiconductors recently introduced the new SSL2103LED controller. Extending NXP’s product family of AC/DC LED drivers (SSL2101/SSL2102) for a wide range of lighting applications such as retrofit lamps, ...

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Dimming techniques for switched-mode LED drivers
9 June 2010, Altron Arrow
The exponential growth of LED lighting has ushered in a vast selection of integrated circuit devices to provide controlled power to LEDs. No longer acceptable to an energy-conscious world, switched-mode ...

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WLED driver with PWM-controlled boost
9 June 2010, CST Electronics
The MAX6948B from Maxim is a high-efficiency WLED driver with an integrated boost converter and five GPIO ports that can be used to drive LEDs (powered from an alternate power supply) in parallel. Capable ...

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3 W white LED
9 June 2010, Future Electronics
Avago Technologies has announced a compact and energy efficient 3 W LED for use in a wide range of solid-state lighting applications. With dimensions of 5 x 4 x 1,85 mm, the ASMT-Jx32 is packaged in a ...

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Power SMD white LEDs
9 June 2010, EBV Electrolink
Vishay announced the release of new power surface-mount white LEDs in two binning versions. For a wider range of pin compatibility with similar devices, the VLMW321xx LEDs feature three anodes and one ...

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High-power LED driver
9 June 2010, MB Silicon Systems
Micrel’s new MIC3223 is a monolithic switching regulator with integrated 3,5 A, 37 V power switch and can be used for driving 1 W or 3 W high-brightness LEDs. With its peak current mode control boost ...

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Miniature SMT LEDs
26 May 2010, EBV Electrolink
Avago Technologies has developed a series of bright surface mount light emitting diodes (LEDs) for use in interior automotive and industrial applications. The ASMT-TxBM series, which features viewing ...

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16-channel white LED driver
26 May 2010, Hi-Q Electronics
AnalogicTech’s AAT2400/2401 is a highly integrated, high efficiency white LED lighting solution which consists of a master device (AAT2400) and a slave device (AAT2401). The devices operate from a regulated ...

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LED module for lighting fixtures
26 May 2010, Altron Arrow
New from Cree is a class of products designed to accelerate the adoption of LED lighting by traditional lighting fixture manufacturers and speed time-to-market for their new LED-based fixtures. With this ...

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10 Mbps digital optocoupler
26 May 2010, Altron Arrow
Avago has released a 10 Mbps digital optocoupler with high insulation voltage ratings for power supply and high-power motor control application. The ACNV2601 single-channel optocoupler is designed to ...

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LED driver with dynamic headroom control
26 May 2010, EBV Electrolink
National Semiconductor has developed an LED driver with dynamic headroom control and multiple outputs for high-power applications. The LM3464 accurately and efficiently drives up to four strings of LEDs, ...

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Round and oval LEDs
12 May 2010, Future Electronics
Avago has introduced a range of surface mount technology (SMT) high-brightness oval and round LED lamps for use in outdoor and indoor electronic sign applications. Available in amber, red, green and ...

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Power phototriacs put out 1 A
28 April 2010, EBV Electrolink
Vishay is broadening its optoelectronics portfolio with the introduction of two integrated power phototriacs: the VO2223, which features an output current of 0,9 A, and the VO2223A, which features an ...

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Multichip white LEDs
28 April 2010, Altron Arrow
Cree has developed a new lighting-class LED targeted at replacing energy-inefficient light bulbs. The XLamp MPL EasyWhite LED offers high performance, colour consistency and lumen density in a 12 x 13 ...

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Ceramic bases for high-power LEDs
28 April 2010, EBV Electrolink
Vishay has announced a new series of ceramic LED submounts designed to provide thermal management for high-power (>1 W) LED devices. The LSUB series offers low thermal resistance down to 3 K/W. Optimised ...

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1,1 A WLED driver
28 April 2010, NuVision Electronics
The MP3412 is Monolithic Power Systems’ new synchronous, fixed frequency, high efficiency step-up WLED driver. It features an output load disconnect function in a low profile 6-lead Thin-SOT23 package. ...

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Green and blue HB LEDs
28 April 2010, EBV Electrolink
Avago has announced a new series of 5 mm green and blue high-brightness (HB), through-hole LEDs for use in electronic sign and signal applications. The HLMP-Cxxx round LED lamp series provides high reliability ...

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Power factor corrected LED driver
28 April 2010, Altron Arrow
ON Semiconductor has launched a new power factor corrected dimmable LED driver for residential and commercial lighting applications. Housed in a compact 8-pin SMT package, the NCL30000 achieves a high ...

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Automotive-qualified photodetectors
14 April 2010, Future Electronics
Vishay has released the new AEC-Q101-qualified miniature TEMD7x00X01 PIN photodiodes and TEMT7x00X01 phototransistors. Featuring an 0805 surface-mount package with an ultra-small 1,25 x 2,0 mm footprint ...

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