Opto-Electronics


Latest Articles

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 ...

Read more...
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 ...

Read more...
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. ...

Read more...
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 ...

Read more...
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 ...

Read more...
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. ...

Read more...
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 ...

Read more...
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 ...

Read more...
LED driver controller
18 April 2012
By extending input voltage operation from 60 V down to as low as 5 V, the ZXLD1371 LED driver controller from Diodes Incorporated has been designed to handle as broad a range of applications as possible, ...

Read more...
LEDs for general illumination
4 April 2012
The range of Oslon chip devices offers flexibility and scalability for lighting designs thanks to the different power options (0,5 W, 1 W, 3 W, 5 W) offered in a standard footprint. Oslon Square – the ...

Read more...
Halogen lamp dimmers
4 April 2012
LSI/CSI has developed two ranges of lamp dimmers for halogen lamps used in different applications. The LS7232NT is designed for brightness control of incandescent and transformer-coupled, low-voltage ...

Read more...
Ultra-bright chip LEDs
4 April 2012, Future Electronics
Vishay announced a series of super-thin, ultra-bright LEDs in the smallest SMD 0603 package. The VLMx1300 series of LEDs uses an innovative ChipLED technology, allowing them to serve in small-scale, high-brightness ...

Read more...
LED driver for lighting applications
4 April 2012, Communica
Supertex recently introduced the HV9861A, an open loop, average current mode control, LED driver IC designed to drive LEDs using a buck topology. It is well suited for a variety of solid-state lighting ...

Read more...
PIN photodiodes
4 April 2012, EBV Electrolink
Vishay is broadening its optoelectronics portfolio with the introduction of new high-speed silicon PIN photodiodes with high radiant sensitivity and fast switching times in clear- and black-epoxy T1 plastic ...

Read more...
White LED drivers
4 April 2012, MB Silicon Systems
The MIC4811/MIC4812 from Micrel are six-channel, constant-current sink LED drivers targeting billboard, marquee, instrument and other large, general-purpose LED displays. The devices are high-efficiency ...

Read more...
70 W LED driver powers multi-chip arrays
4 April 2012, Altron Arrow
It is an acknowledged trend that LED lighting is moving to higher power and this is realised by either connecting LEDs in arrays or by wiring many LEDs in series. The required LED voltage grows proportionally ...

Read more...
LED arrays for general lighting
4 April 2012
The Bridgelux family of LED array products is designed to deliver high-performance, compact and cost-effective solid-state lighting solutions to serve the general lighting market. Product options are ...

Read more...
Proximity and ambient light sensor
4 April 2012, EBV Electrolink
Vishay has broadened its optoelectronics portfolio with the introduction of a fully integrated proximity and ambient light optical sensor featuring a power-saving interrupt function. The VCNL4010 combines ...

Read more...
High-speed optocouplers
21 March 2012, Hi-Q Electronics
Renesas Electronics announced the availability of two new high-performance optocouplers – the PS9324 and the PS9123 – for industrial and motor control applications. The high-speed devices are designed ...

Read more...
Ambient light and proximity sensor
21 March 2012, Altron Arrow
The APDS-9900 from Avago integrates a digital ambient light and proximity sensor (ALS), IR LED and a complete proximity detection system in a single 8-pin package. The proximity function offers plug-and-play ...

Read more...



<< First   < Previous   Page 24 of 58   Next >   Last >>







While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.




© Technews Publishing (Pty) Ltd | All Rights Reserved