Dual-CCFL inverter lights up super bright 12-, 15-inch displays Product News 6/30/2005 Post a comment Taiyo Yuden's KLS-150A is a compact single-board DC/AC inverter for driving two cold-cathode fluorescent lamps (CCFL) in backlighting applications for selected Sharp and Optrex liquid-crystal displays (LCDs). Typically suited to medical and industrial equipment requiring super-bright, high-visibility displays, it's rated for operation in harsh environments (0 to +60°C).
Energy-harvesting chips and the quest for everlasting life Design How-To 6/30/2005 1 comment What a fix we have ourselves in - we want very small, battery operated devices, but the battery life available can't keep abreast with the shrinking size and increasing needs. Is there a solution to obtain this, the holy grail of portables - the everlasting operational life? Take a look at what Georgia Tech is working on.
Dual-input supply keeps substation equipment up Product News 6/29/2005 Post a comment The Rackguard RG1202 from Northwest Power Integrations, a subsidiary of Vicor Corp., is a 600-watt dual-input AC/DC and DC/DC rack-mounted power supply specifically engineered for supervisory control and data acquisition (SCADA) systems typically used to monitor and manage power lines from a central location.
10-watt DC/DCs point to lowest cost Product News 6/29/2005 Post a comment The single and dual output DC/DC converters in MicroPower Direct's B1000ERW series, an addition to the company's Budget Saver family, are promoted as the lowest cost 10-watt modules of their type. Priced at from $9.75 to $10.40 each in quantities of 100, these 1-by-2 inch converters, in eighteen models, provide 5, 12, 15, and ±5, ±12, and ±15 volts from a 9-18, 18-36, or 36-75 volt input.
Standing in line for some juice Power DesignLine Blog 6/29/2005 Post a comment How many portables do you carry? How often do you have to charge them? Likely it's too many times. Come vent with me and even share your thoughts about what to do.
DIN-rail UPS serves the factory floor Product News 6/29/2005 Post a comment Sola/Hevi-Duty's SDU Series of off-line uninterruptible power supplies (UPSes) are designed to mount on a DIN rail to provide protection for sensitive electronics (including industrial computers, robotics, automation and process control equipment) on the factory floor. With a compact footprint and minimal weight (11 lbs.), the SDU can also be installed in a control panel or easily integrated into an enclosure or machine where space considerations are at a premium.
Quarter-brick IBCs extend to 450 watts Product News 6/28/2005 Post a comment Artesyn says its series of very high efficiency Typhoon quarter-brick intermediate bus converters (IBCs) delivers up to 50 percent more useable power than the company's previous generation. Providing up to 450 watts, these single-output 12-volt models include the IBC38AQT (unregulated, 4:1 fixed-ratio input/output) for computing and two semi-regulated models with input voltage ranges optimized for telecom (IBC28AQW) and networking (IBC30AQS) to power multiple point-of-load (POL) converters.
Challenging future engineers Automotive DesignLine Blog 6/28/2005 Post a comment The program tests university teams to come up with technology to reduce energy consumption and emissions in a consumer friendly vehicle.
Modular supplies make light work of test and medical Product News 6/24/2005 Post a comment Lambda has expanded its Vega series of AC/DC supplies with its Vega Lite, designed as a cost-effective and highly configurable modular power supply offering up to 900 watts. The modular-style power supplies are suited to many low- to medium-volume applications, ranging from medical to test and measurement.
Fuel cell specs for notebooks released News & Analysis 6/24/2005 Post a comment The Mobile PC Extended Battery Life Working Group, an Intel initiative, has released its "Fuel Cell Guidelines for Mobile PCs" covering electrical, mechanical, control, thermal, environmental and regulatory aspects of fuel cells for mobile PCs.
Chip lädt Akkus über USB-Anschluss News & Analysis 6/24/2005 Post a comment Das Laden von Akkus über einen USB-Anschluss steuert ein neuer Chip von National Semiconductor. Eine weitere IC-Neuheit aus dem selben Hause schützt den Energiespeicher vor Überladung. Zielanwendungen für beide Schaltkreise sind Mobiltelefone, Digitalkameras, tragbare Multimediaplayer und portable Messgeräte.
Outdoor power plant cuts telecom costs Product News 6/24/2005 Post a comment Power-One's PODS 16 standby-power system is a completely self-contained outdoor power cabinet that provides rectification, system management, power distribution, and climate control. "The PODS 16 lowers electricity costs for telecom service providers by utilizing our advanced high-efficiency topologies. This is only one of the significant benefits offered to customers in a segment that we believe approximately doubles our standby-power-system served available market. The PODS 16 also supports ou
Save a buck with a coupled inductor Design How-To 6/22/2005 Post a comment Here are some simple ways you can use coupled inductors circuits as an alternative to using two switchers. The efficiency is better and the parts count is lower than a two switcher design. It's worth a look.
50/60-amp POLA converters tout tight solution Product News 6/21/2005 Post a comment Artesyn Technologies' PTHxx040W series of high-density 50- and 60-amp DC/DC converters is compliant with the point-of-load alliance (POLA) initiative established for multi-vendor sourcing. The 50-amp PTH12040W, working from an 8- to 14-volt input, is suited to boards that utilize a loosely regulated, intermediate voltage bus fed by an intermediate bus converter (IBC) or 12-volt AC/DC supply. The 60-amp PTH04040W, working from a 2.95- to 5.5-volt input, is suited to boards that employ either a 3.
AC/DC with 24-port PoE boosts VoIP solutions Product News 6/20/2005 Post a comment Phihong's new PSM275-909 is a 275-watt power supply with integrated power-over-Ethernet injector specifically for switch and PBX applications. "Upgrading a design for PoE requires not only PoE injection but special power supplies," said Keith Hopwood, vice president of marketing. "The PSM275 provides both in a single package, offering a simple implementation in a standard off-the-shelf solution."
350-W DC/DCs answer telecom's call Product News 6/17/2005 Post a comment Astrodyne's SD350 series of DC/DC converters, for medium power telecom, industrial control and embedded system applications, delivers 350 watts. These provide single outputs from 5 to 48 VDC in 12 models from a nominal 24, 48, or 100 VDC input (2:1 input range).
Blocks for buck/boost chips Product News 6/17/2005 Post a comment LTRIM, specializing in high-performance power management and other analog intellectual property solutions introduces two new DC-DC converter IP blocks for buck, or buck/boost chip designs.
500/600-W switchers handle high peak loads Product News 6/17/2005 Post a comment XP Power's SMC500 and SMC600 series of AC/DC switching supplies, now available in the U.S., tout high peak-load capability. Suited particularly for industrial applications, each series, which provides 500 and 600 watts at 12 to 54 VDC in 24 models (also six models in the SMC-500 series providing 264 to 400 watts at 3.3 to 5 volts, and 297 to 450 watts at 3.3 to 5 volts in the SMC-600 series), can deliver up to 80 percent their nominal rating for up to half a second.
Quarter-bricks proclaim new high-current benchmarks Product News 6/16/2005 Post a comment TDK Innoveta's latest additions to its quarter-brick iQP (Powereta) series of DC/DC quarter-brick converters proclaim new family benchmarks for the highest usable current in tough environments. As for raw output current, the iQP's new 1.2-volt model can deliver up to 100 amps.
15-W DC/DCs are world's smallest encapsulated Product News 6/15/2005 Post a comment Traco Electronic AG says its TracoPower THD-15 series of 15-watt DC/DC converters, in a 1-by-1-by-0.4 inch package, is the world's smallest encapsulated type for its power rating. The converters conform to the industry standard pin assignments of the common 1-by-2 inch platform.
Kit eases DC/DC board-mount installation Product News 6/15/2005 Post a comment V-Infinity's new UF224 Series U-frame installation kit facilitates easy application of single output, 2-by-2 inch sized board-mount DC/DC converters. The kit, basically a PCB available in three model configurations (the converter is purchased separately), comes with all the components needed for input filtering and protection, including an input fuse. Users can add a trim potentiometer.
UPSes go home again Product News 6/14/2005 Post a comment UPS recap - Taking another tour down the low-power road many vendors started on, uninterruptible power supply (UPS) makers are putting forth greater effort to serve small/medium businesses and the small office, home office (SOHO) community. It's a consequence of several traditional issues, which include the quality of the power coming from the grids and the nature of our increasingly unpredictable global weather—factors that account for perhaps one AC-mains related incident per day in the
Silicon for a long-life battery? News & Analysis 6/14/2005 Post a comment Using some of the same manufacturing techniques that produce microchips, researchers have created a porous-silicon diode that may lead to improved betavoltaics. Such devices convert low levels of radiation into electricity.
Know your trade-offs in portable designs Design How-To 6/13/2005 Post a comment We are a mobile society and we need mobile devices to be at our command, when we need them. How do you design portable video devices to keep up with the demand for long battery life, and of what tradeoffs should you be aware? Here's some practical, down in the trenches help for your next design.
24-V POLs take on industrial chores Product News 6/10/2005 Post a comment Tyco Electronics' Austin 24VinLynx series of DC/DC (nonisolated) converters is designed to meet the point-of-load demands of industrial and control applications. "Our new new Austin 24VinLynx series is designed to address the needs of 24-volt DC input applications," said Sabi Varma, vice president of marketing and development engineering. "This module truly extends the benefits of POL converters to two major market segments by providing standard power solutions."
Lithium-ion cell claims best-in-class performance Product News 6/10/2005 Post a comment A new phosphate-based lithium-ion power cell from Valence Technology touts superior cycling and rate capability to existing types, with the company also promoting it as the only safe large-format lithium-ion rechargeable. Using the company's Saphion technology, the IFR18650p, a 3.2-volt, 1100 mA-h source, thus is designed to offer even greater benefits over nickel metal hydride (NiMH) and nickel cadmium (NiCd) power sources, particularly for consumer appliance applications.
Cree receives $12 million Naval contract for SiC devices News & Analysis 6/9/2005 Post a comment Semiconductor supplier Cree Inc. has been awarded a $12 million contract by the Office of Naval Research (ONR) to develop silicon carbide (SiC)-based high voltage, high power electronic devices and power modules that can reduce the size and weight of power management equipment aboard the U.S. Navy's next generation aircraft carriers and other sea vessels.
Component orders dip in May, says ECA News & Analysis 6/9/2005 Post a comment Component orders took a small dip in May, continuing a pattern of up and down ordering activity over the first half of 2005, according to the Electronic Components, Assemblies & Materials Association.
A Book For All Reasons Bernard Cole1 Comment Robert Oshana's recent book "Software Engineering for Embedded Systems (Newnes/Elsevier)," written and edited with Mark Kraeling, is a 'book for all reasons.' At almost 1,200 pages, it ...