Opto-Electronics


Latest Articles

LED driver with dynamic headroom control
10 November 2010, EBV Electrolink
National Semiconductor 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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Code reading cameras
27 October 2010, Countapulse Controls
Reading and verifying moving codes can sometimes be problematic, particularly if they are fast moving, inverted, reflected or even, as happens with data matrix codes, presented as a kind of hole pattern, ...

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Compact safety barriers
27 October 2010
ReeR’s optoelectronic EOS 4 and EOS 2 safety barriers with a cross section of only 28 x 30 mm, are designed for applications where space and cost savings are crucial, and feature a ‘no dead zone’ on one ...

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High-speed linear image sensor
27 October 2010, Hamamatsu Photonics UK
Hamamatsu Photonics is offering a wide range of CMOS linear image sensors for use in analytical instruments such as spectrophotometers and industrial process monitoring equipment. A new range of CMOS ...

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Half-Watt white LEDs
27 October 2010, Altron Arrow
Cree recently announced commercial availability of its half-Watt XLamp ML-E LED. The device provides lighting designers with a compact and cost-effective solution for distributed LED arrays that will ...

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Philips develops main-powered OLED module
27 October 2010
Research scientists from Philips have developed the first ever organic light emitting diode (OLED) module that can be powered directly from a mains electricity supply. The prototype opens the door to ...

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LED modules for street lighting
27 October 2010, Spectron Electronics
OSRAM’s Streetlight Advanced system provides an efficient solution for technical and decorative street lighting with LEDs. This durable module enables lighting without distracting stray light plus easy ...

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Tricolour HB LEDs
27 October 2010, Future Electronics
New from Avago Technologies is a family of high-brightness (HB) LEDs with 120° viewing angle in ultra-small packages. The new ASMT-YTx2 tricolour surface-mount devices are available in 3,4 by 2,8 by ...

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Constant current LED drivers
27 October 2010, MANTECH
Mornsun has developed two new ranges of high-power LED drivers that provide constant output current. The KC24RT series features efficiency up to 96%, input voltage range of 5,5 V to 48 V, operating temperature ...

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9-channel LED drivers
27 October 2010
Diodes Incorporated has announced two new 9-channel LED drivers with internal charge pumps for backlighting of small LCD screens, keypads and LED lights. Working from 2,7 V to 5,5 V and driving 20 mA, ...

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Non-diffused white LED
27 October 2010, EBV Electrolink
Vishay has announced a new white, non-diffused 3 mm LED optimised for high-end applications with extreme luminous intensity requirements. Utilising ultrabright InGaN technology, the VLHW4100 features ...

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High-speed optoisolator
27 October 2010, Communica
OPTEK Technology has released an optical isolator that delivers AC and DC voltage isolation up to 16 kV while achieving digital data transmission rates of 2 Mbd. The UL-recognised, high-voltage OPI1268 ...

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LED string drivers
27 October 2010
Linear Technology has introduced the LTM8042 and LTM8042-1, DC/DC uModule LED drivers for strings of up to eight white LEDs or nine red LEDs. Capable of operating as boost, buck or buck-boost with 3 ...

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High-voltage HB LED driver
27 October 2010, CST Electronics
Maxim’s new MAX16833 is a high-voltage HB LED driver for boost, buck-boost and buck configurations. The device’s architecture offers comprehensive short circuit protection, single-wire connection to LEDs ...

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LED driver integrates PFC
13 October 2010, Altron Arrow
The NCL30001 from ON Semiconductor is an offline LED driver that integrates power factor correction (PFC) and isolated step-down AC-DC power conversion in a single stage. By eliminating the need for a ...

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Low-voltage LED driver
13 October 2010
Diodes Incorporated has developed an LED driver tailored to fit low-voltage illumination products operating at between 6 V and 30 V. The AL8805, a 1 A buck mode constant current switching converter, will ...

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Single-chip laser diode
13 October 2010, Hamamatsu Photonics UK
Hamamatsu Photonics has introduced a new high-power 5 W CW single-chip laser diode, the L11374. This new diode is a lateral multimode type, with a broad emitting area of 100 μm and a centre wavelength ...

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Online LED circuit design tool
29 September 2010, News
WEBENCH LED Architect is a quick visual tool for complete lighting system design up to 100 000 lumens in output

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HBLED driver
29 September 2010, MB Silicon Systems
Micrel rolled out the MIC3203, a new step-down high-brightness LED (HBLED) driver controller IC with high-side current sense and PWM dithering feature for EMI control. This device is targeted at LED driver ...

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White LEDs
29 September 2010, Altron Arrow
Sharp is supplementing its LED lighting portfolio with three new white ‘high colour rendering’, high-performance LEDs. The DoubleDome LEDs from Sharp already provide suitable light for energy-efficient ...

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