Opto-Electronics


Latest Articles

Tubular fluorescent lamp drivers
21 March 2012, EBV Electrolink
NXP Semiconductors has announced the UBA2016A, a dimmable fluorescent lamp driver IC for high-frequency tube lamps (HF-TL) combining power factor correction (PFC) controller and ballast driver circuits. ...

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White lighting LEDs
21 March 2012
With its new generation of Oslon SSL LEDs, OSRAM Opto Semiconductors has improved performance and efficiency. Additionally, the luminous flux of the LED at elevated temperatures has now been stabilised. ...

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Dimming and non-dimming LED drivers
7 March 2012, EBV Electrolink
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 ...

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LED drivers for non-dimmable lamps
7 March 2012, Altron Arrow
NXP Semiconductors announced the availability of several new LED driver ICs in its SSL2108x family for compact, non-dimmable retrofit lamps, following the success of the SSL21081. With the addition of ...

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Three-channel LED driver
7 March 2012, Communica
New from Supertex is the HV9989, a three-channel, boost driver IC designed to drive LEDs in LCD backlighting applications. It features Supertex’s patented PWM dimming control algorithm that individually ...

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Blue-violet laser diode
1 March 2012, RF Design
The NV4V31MF provides precise laser emission supporting a wide range of applications such as particle measurement; industrial precision measurement including location measurement, surface uniformity detection; ...

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Ambient light and proximity sensor
22 February 2012
Maxim’s new MAX44000 is a digital ambient light and infrared proximity sensor that detects light like a human eye. Designed using the company’s proprietary BiCMOS technology, it integrates three optical ...

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White LEDs with high CRI
22 February 2012, Altron Arrow
Cree now offers a new option for its 2700 K and 3000 K white CXA2011 LEDs with a minimum CRI (colour rendering index) of 90. Available in three binning options including ANSI white and EasyWhite 2-step ...

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16-channel LED driver
8 February 2012, NuVision Electronics
austriamicrosystems has débuted the AS1123 constant-current, 16-channel LED driver with an on-chip diagnostic read-back function. It is designed for use in industrial applications, indoor/outdoor public ...

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Vishay expands optocoupler range
8 February 2012, EBV Electrolink
Vishay is broadening its optoelectronics portfolio with the release of six low input current optocouplers with phototransistor output in the DIP-4, SSOP-4 half-pitch miniflat and SOP-4L long miniflat ...

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White lighting-class LEDs
8 February 2012, Altron Arrow
The XLamp XB-D is Cree’s newest lighting-class LED, delivering similar performance to the XP-G LED in a package that is 48% smaller than the XLamp XP footprint. Using Cree’s newest generation of silicon ...

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Optocouplers for IPM interfaces
25 January 2012, EBV Electrolink
Avago Technologies released three high-speed optocouplers that deliver robust electrical signal isolation for intelligent power module (IPM) interface applications. The new ACPL-x484 optocouplers operate ...

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Square white LEDs
25 January 2012
OSRAM Opto Semiconductors’ new LED, the Oslon Square, is aimed at a wide range of possible uses, including designer luminaires for the home or office, retrofits and street lights. The LED is available ...

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Switch dimmable LED driver
25 January 2012, Communica
Supertex has introduced the HV9801A, a switch dimmable LED driver IC designed to drive LEDs in dimmable household and office lighting applications. The IC dims LED lamp brightness to one of four preset ...

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LEDs for retrofit lamps
12 December 2011
The DURIS E 5 from OSRAM Opto Semiconductors is an LED intended for the LED retrofit market and designed to achieve uniform distribution of light. With its broad colour temperature spectrum, high efficiency ...

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White LED drivers
12 December 2011, MB Silicon Systems
The MIC4811/MIC4812 are Micrel’s new six-channel, constant-current sink LED drivers targeting billboard, marquee, instrument and other large, general-purpose LED displays. They can operate with an output ...

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Optocouplers for automotive use
12 December 2011, EBV Electrolink
Avago Technologies rolled out three new digital optocouplers optimised for use in onboard chargers and other high-voltage systems in hybrid and electric vehicles. The new ACPL-K4xT devices are qualified ...

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OSRAM boosts LED performance
23 November 2011
The latest Oslon SSL LEDs from OSRAM Opto Semiconductors provide higher output than their predecessors and offer improved thermal stability. Behind this boost in performance lie the latest developments ...

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Automotive LED driver
23 November 2011, MB Silicon Systems
The MAQ3203 from Micrel is an AEC-Q100 qualified step-down high brightness LED (HBLED) driver for automotive lighting applications. With its hysteretic control architecture and high-side current sense ...

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LED lamp driver
23 November 2011, Future Electronics
Fairchild Semiconductor’s new FL7701 is a non-isolated buck LED driver with power factor correction (PFC). It uses a digital technique that allows it to automatically detect the AC input voltage condition, ...

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