White LED drivers deliver 90% efficiency Product News 5/31/2007 Post a comment Vishay Intertechnology has released two 1.25-MHz current-mode boost converters optimized for white LED applications. The SiP12510 and SiP12511 white LED drivers offer a 90% typical efficiency, said to be the highest rating for this type of device.
Input ADC offers fault protection up to ±30 V Product News 5/31/2007 Post a comment Linear Technology released the LTC1856, a 5 V, 16-bit, 8-channel, 100 ksamples/s analog-to-digital (ADC) converter with ±10 V input ranges and additional fault protection. An overvoltage fault up to ±30 V on one or more unused channels will not corrupt the accuracy of the selected channel and provides protection on 24 V (±10% tolerance) industrial supply lines.
Regulators use I2C interface for overvoltage, overcurrent protection Product News 5/31/2007 Post a comment Intersil released the ISL6422B and ISL6423B low-noise block (LNB) supply and control voltage regulators. These regulators use an I2C interface to improve system reliability by reporting diagnostics and protecting a satellite set top box (SSTB) against overvoltage, overcurrent, overtemperature and backward current.
Gartner cuts chip forecast News & Analysis 5/31/2007 Post a comment Gartner has lowered its 2007 worldwide semiconductor forecast to $269.2 billion, a 2.5 percent increase from 2006. In its previous forecast, the research firm predicted a 2007 revenue increase of 6.4 percent.
R&D jobs to go in Tundra restructuring News & Analysis 5/31/2007 Post a comment Communications chip group Tundra Semiconductor Corporation is reducing its headcount by 20, or about 7 percent of the company's global workforce, and will not fill several vacant positions as it restructures to shore up its finances.
Mitsubishi advances solar cell conversion efficiency News & Analysis 5/31/2007 Post a comment Mitsubishi Electric Corporation has achieved photoelectric conversion efficiency rates of 18.0 percent in a 150mm square practical use multi-crystalline silicon solar cell. The company claims this is a 1.2 percent improvement over previous models and is the best conversion rate achieved to date in the industry.
China semi market to peak in 2007, iSuppli says News & Analysis 5/30/2007 Post a comment While China's overheating economy and tech industry have raised concerns about a possible market crash, the Chinese semiconductor segment has already settled into what research firm iSuppli Corp. called a more sustainable growth rate.
European groups join 'Fab Club' News & Analysis 5/30/2007 Post a comment Two of the three companies that have joined the Fab Owners Association (FOA) are based in Europe and brings the number of semiconductor and MEMS manufacturing facilities owned by member companies to over 60.
Video IC delivers high resolution video Product News 5/30/2007 Post a comment The ISL51002 10-bit video digitizer from Intersil Corp. combines ease-of-use and high-resolution video performance to offer a solution for digitizing analog YPbPr video from HDTV tuners, set-top boxes, SD and HD DVDs, as well as RGB graphics signals from PCs and workstations.
Optical controller simplifies GPON transceiver designs Product News 5/30/2007 Post a comment Maxim Integrated Products has introduced a highly integrated optical control, calibration, and monitor IC. The DS1865 integrates GPON power-leveling functionality, a laser bias APC loop, video amplifier control, and SFF-8472 diagnostic and alarm features.
REVIEW: PMBus point-of-load DC-to-DC chip has 500-mV to 8-V output ranges Product News 5/30/2007 Post a comment Here's a nifty power conversion and power management IC for synchronous DC-to-DC converter designs. The chip is configured to regulate two independent outputs, or two phases in a single output mode, and supports two types of current-sense topologies. Output range spans 500-mV to 8-V. eeProductCenter Senior Tech Editor Alex Mendelsohn reports.
RF packaged multi-function circuits ease manufacturing Product News 5/30/2007 Post a comment Check out TriQuint's first three packaged devices in its Multi-Function Circuit (MFC) family that it says offer manufacturing ease and cost advantages. The devices address OEM needs for frequency upconversion (amplification) in the transmit and local oscillator chains for digital radio and satellite communications systems.
ADC drivers operate from single 3 V supply Product News 5/29/2007 Post a comment Linear Technology released the LTC6400-20 and LTC6401-20, ADC drivers which operate from a single 3 V supply. These fully differential amplifiers include gain-setting resistors, which aid in the driving of high-speed ADCs.
Solid-state MUX delivers 40-V switching Product News 5/29/2007 Post a comment Pickering Interfaces is expanding its PXI switching product line with the 40-682 versatile multiplexer (MUX) that uses high-performance solid state switching to provide it with long service life, no switch bounce, and low on resistance.
Lattice Semi tips 90-nm nonvolatile FPGAs News & Analysis 5/29/2007 Post a comment The latest round of the FPGA ping-pong match begins this week, when Lattice will announce the availability of the LatticeXP2 family, its third generation of nonvolatile FPGAs, produced in a 90-nm process co-developed with foundry partner Fujitsu Ltd.
Analyst: Subscribers to BWA/WiMax nears 1 million News & Analysis 5/29/2007 Post a comment Increased global deployments of WiMAX technology has lead to an 85 percent increase in subscribers and a corresponding growth in service revenue according to research firm Maravedis (Montreal, Canada) in the first issue of a planned quarterly newsletter tracking the broadband wireless access and WiMax sectors.
MacMullen to steer CSR's convergence drive News & Analysis 5/29/2007 Post a comment Bluetooth chip specialist CSR (Cambridge, England) has appointed Neil MacMullen as Senior Vice President of the company's Convergence Business Unit, a job held until earlier this month by Glenn Collinson, one of the co-founders of CSR, who retired from the company a few weeks ago.