Although a number of techniques for the deposition of diamond-like carbon (DLC) has evolved, the unique patented process developed by the Air Force Research Laboratory Propulsion Directorate (AFRL, Wright Patterson Air Force Base, OH) and K Systems Corp. (Beavercreek, OH) is claimed to produce extremely high-quality coatings that are free of pin holes, have good […]
A team of engineers with ON Semiconductor (Phoenix, AZ) and Motorola Laboratories (Tempe, AZ) have fabricated a GaAs VFET power MOSFET using only five mask levels and an implanted gate process. Performance of the device includes a specific on-resistance of 0.25 milliohm-centimeters-squared and a blocking voltage of 8.5V. The delay time for this device is […]
PowerSmart Inc.'s (Shelton, CT) PS334 battery-management IC brings a high level of accuracy to capacity monitoring as well as charge control and safety. The PS334 provides a high level of integration and features six programmable outputs that eliminate the need for additional components normally required for charge control or safety. OEMs can now achieve the […]
International Rectifier (El Segundo, CA) have announced the production of their first TempSENSE HEXFET power MOSFET, which can provide cost-effective temperature sensing for automotive system protection by using an on-chip temperature sensing diode. The IRLBD59N04E is a 40V, 20 mohms, N-channel MOSFET. Temperature sensing is provided by two anti-parallel, electrically isolated, poly-silicon diodes. The diode's […]
International Rectifier (El Segundo, CA) now offers synchronous-buck designers the industry's first component solution to demonstrate high efficiency at 1V output voltage. As Internet appliances continue to demand dramatic increases in bandwidth capability, on-board performance and power-conservation requirements become even more demanding, thus driving operating voltages down to 1V. This major challenge for the dc/dc […]
To help designers reduce time to market, Zetex Inc. (Commack, NY) has introduced a demonstration bread board for its ZXRD1000 Series dc/dc controller ICs. A 95 percent greater efficiency can be achieved with the ZXRD1000 Series supported by the Zetex patented SimpleSynch drive circuit. The resultant reduced complexity allows for cost savings on the ZXRD […]
MicroTel International Inc. (Rancho Cucamonga, CA) has announced that XCEL Power Systems Ltd. (UK) has completed the acquisition of the BELIX (UK) group of companies, a specialist electronic power-conversion company. The acquisition will provide greater financial resources to expand into the larger North American market. "The combined entity will have initial annualized revenue in excess […]
ON Semiconductor LLC (Phoenix, AZ) launched its next-generation, high-voltage MOSFETs, offering a 30-percent reduction in RDS(on) and a lower gate charge over its existing MOSFETs. The TMOS 7 E-FET Series are N-channel, enhancement-mode silicon gate that can be used in a range of power-management applications, including telecommunication products and switch-mode power-supply systems. Specification points previously […]
Fairchild Semiconductor International Inc. (South Portland, ME) plans to invest $80.0 million sometime this year in expanding its power device plant in South Korea. Fairchild acquired the South Korea plant last year from Samsung Electronics Co. The investment is aimed at installing additional production equipment to increase capacity in response to customer demand. Fairchild has […]
International Rectifier (El Segundo, CA) announced an offer on its new MUR Series of expitaxial diodes with reverse-recovery times of 25ns. The...
Microsemi Corp. (Santa Ana, CA) has introduced a new silicon-carbide Schottky diode (UPSC148) to their line of silicon mixed-signal and discrete products. The diode is available in the company's 1mm Powermite package, and is a 1A, 480V silicon-carbide Schottky targeted at high-speed switching and power-supply applications in telecommunications and implantable medical equipment. Silicon carbide is […]
Vishay Intertechnology Inc. (Malvern, PA) has released its new non-isolated buck/boost converter IC, the Vishay Siliconix Si9121DY. The Si9121DY gives designers a simple and compact way to convert a -48V input to +3.3V or +5V in ISDN digital phones. In addition to digital phones, the Si9121DY will be used to regulate ISDN power supplies for […]
Texas Instruments Inc. (Dallas, TX) recently announced that designers are now able to increase battery life and performance on single- or dual-cell batteries by using their new TPS6100x family of low-power dc/dc converters. These devices are designed for applications in which battery life is vital, such as personal digital assistants and portable medical instruments. The […]
Semtech Corp. (Newbury Park, CA) announced the production of the SLVU2.8-4, a super low-voltage electronic static discharge (ESD) and latch-up protection for networking applications. The SLVU2.8-4 integrates four low-voltage protection devices into one SOIC-8 package using Semtech's proprietary Enhanced Punch-through Diode (EPD) technology. The SLV Series of transient voltage suppressors are designed to protect low-voltage […]
Intersil Holding Corporation (Palm Bay, FL) introduced its latest PWM controller integrated chip, the HIP6311. The company claims that the HIP6311 multiphase controller delivers the best static tolerance and digital-to-analog conversion accuracy. When coupled with Intersil's gate drivers, the total core-voltage system for advanced microprocessors is reached. The device is targeted toward embedded and VRM […]