Power Integrations faces delisting News & Analysis 7/31/2006 Post a comment Semiconductor supplier Power Integrations faces delisting from the Nasdaq exchange after stating it does not expect to update its SEC filings by the previously announced deadline of Aug. 2, 2006.
DC/DC controller for all n-channel MOSFETs drives 20-amp applications Product News 7/28/2006 Post a comment Linear Technology's LTC3822 is a 750-kHz step-down DC/DC controller that's suited for driving all n-channel MOSFETs in 20-amp applications. The synchronous device further improves efficiency by using MOSFET drain-to-source resistance for current-sensing, doing away with the sense resistor traditionally employed.
Agilent poised to acquire Xpedion News & Analysis 7/28/2006 Post a comment Agilent Technologies said it signed a definitive agreement to acquire privately held Xpedion Design Systems. Financial details of the transaction were not disclosed.
Fooling Faraday: On-chip capacitor multipliers Design How-To 7/27/2006 Post a comment Capacitors are used to mitigate noisy voltages and supply and/or shunt the transient currents, but each capacitor incurs cost and PCB real estate. Integration on an SoC is a possibility but is usually too expensive for volume, cost-effective solutions. What to do? A current-conveyor multiplier may be the answer and here's how to implement it.
Microcontroller reset IC meets core requirements Product News 7/27/2006 Post a comment Renesas Technology says its RNA50C27AUS is the industry's first reset IC that incorporates a core power-on sequencing function for microcontrollers that operate core logic circuits
from a 1.8-volt power supply and I/O peripheral circuits from a 3.3-volt supply.
Stand-alone differential encoder ICs cut cost, real-estate overheads Product News 7/27/2006 Post a comment Product Review - Inphi Corporation's 13650DE and 13651DE, which the company says remain the only stand-alone differential phase shift keying (DPSK) and Duobinary encoders in the industry, are now offered in a QFN plastic package to cut cost and footprint and to provide a measure of compatibility with the company's new 13-series flip flops for use in NRZ applications.
Buck regulator-with-LDO chip eases slim wireless designs Product News 7/25/2006 Post a comment ON Semiconductor's NCP1526 is a synchronous buck regulator with LDO for powering "application microprocessors" and associated RF circuitry in higher density multimedia portable devices such as portable media players (PMPs), MP3 players and DMB or DVB-H mobile TV chipsets in cellular phones.
Chip switches USB 2.0, audio signals in single package Product News 7/25/2006 Post a comment Pericom recently developed 3.3-V devices that it claims are the first to support both USB 2.0 High Speed and high-fidelity audio signals in a single chip. Housed in a 3.5-mm X 1.5-mm TDFN package, the PI3USB411 and PI3USB412 are aimed at handheld applications such as mobile phones and MP3 players.
Chipset boosts mid-power DC/DCs Product News 7/25/2006 Post a comment International Rectifier's 30-volt synchronous buck converter chipset (IRF6631 control MOSFET and IRF6638 synchronous MOSFET) brings higher efficiency and thermal performance at intermediate current levels (below 18 amps) for higher density notebook and desktop computers and telecom and datacom equipment.
How to provide a power-efficient architecture Design How-To 7/24/2006 Post a comment Processors have evolved from super-scalar architecture to instruction-level parallelism, where each evolution makes more efficient use of fast single instruction pipeline. It's anything but a smooth ride with many challenges including the amount of energy consumed per logic operation. Here's what can be done to reduce total power consumption.
Tanner EDA speeds up tool suite Product News 7/21/2006 Post a comment Analog/mixed-signal EDA tool vendor Tanner EDA plans to release an upgrade to its Tanner Tools 12.1 design suite on the opening day of the Design Automation Conference.
SMBus interface bridges analog and digital circuits Product News 7/20/2006 Post a comment Check out this SMBus to analog interface device that digitizes analog signals for use with digital microprocessors. Microsemi's LX1800 can be paired with its ambient light sensors to incorporate microprocessor-controlled digital dimming of backlight lamps in LCD displays.
Making sense of light sensors Design How-To 7/19/2006 Post a comment As light sensors, whether photoresistor, photodiode, or phototransistor, become more common and less expensive, understanding their fit with the application is increasingly important. The use of integrated circuitry enables on-chip calibration, filtering and increased resolution.
Wi-Fi RF front-end chip slashes size, cuts cost Product News 7/18/2006 Post a comment Promising to cut system-level integration cost and slash board area requirements, RF semiconductor maker SiGe Semiconductor announces a highly integrated RF front-end module. Slated for Wi-Fi systems compliant with 802.11b/g, the device is very small and eliminates several external discrete components. It packs all functions required between the output of a transceiver and its antenna.
Analog shines in the digital world's shadow Design How-To 7/18/2006 Post a comment Analog just doesn't have the hot news appeal to most non-technical journalists that digital has. Hey, they say, digital's the future, so why don't you just get with it?—that's their view..... Bill Schweber, Site Editor, Planet Analog
Primary-side controller advances digital power Product News 7/17/2006 Post a comment Product Review - Proclaiming a paradigm shift in power supply control techniques with its iW1688 PWM chip, iWatt says it's the first to secure significant benefits from primary-side digital control in low-power AC/DC sources.
Power Integrations names Torres CFO News & Analysis 7/17/2006 Post a comment High-voltage analog IC supplier Power Integrations has appointed Rafael Torres its chief financial officer and vice president, finance and administration, effective July 19.
Matsushita backs analog/RF tool startup News & Analysis 7/17/2006 Post a comment Matsushita Electric Industrial has made a strategic investment in analog/RF tool provider Berkeley Design Automation, joining previous investors Woodside Fund and Bessemer Ventures to provide $6 million in Series B funding.