PoL converter packs big power into a small space Product News 2/28/2005 Post a comment An ultra-integrated DC-to-DC converter for Point of Load (POL) applications from Enpirion offers 20W of output power, 6A of output current, and 92% peak efficiency power density of up to 700 Watts-per-cubic-inch, or 80 Watts-per-square inch.
System-on-chip calls attention to higher power density Product News 2/28/2005 Post a comment Product Review—Enpirion's latest device is promoted as a step-improvement over the company's EN5330 introduced last May (see eeproductcenter.com, ID#21100422 and ID#21100071), which was the first claimed power system-on-a-chip with an on-board output inductor for its synchronous buck PWM converter.
Full-bricks serve high-rail distributed power Product News 2/25/2005 Post a comment Lambda's PAF600F280 family of full-brick DC/DC converters delivers 600 watts for distributed high-voltage DC power architectures as well as custom off-line power supplies.
Working from a nominal 300-volt (200 to 400 V) input, the converters are available in 12-, 24-, 28- and 48-volt output versions.
Medical-grade supplies keep a low profile Product News 2/24/2005 Post a comment Advanced Power Solutions' new APS63MI family of 60-watt medical-grade (AC/DC) power supplies tout the best-in-class low-profile (0.92 inch) design in an industry standard 2-by-4 inch footprint. The low-profile spec represents a 20 percent advantage over most competitive products, according to the company.
Power Management for Linux News & Analysis 2/24/2005 Post a comment The Dynamic Power Management project explores technologies to improve power conservation capabilities of platforms based on open source software. It focuses on techniques applicable to running systems, adjusting power parameters on-the-fly while ensuring realtime deadlines of running software are met.
Power Management ICs enable digital control of output power Product News 2/23/2005 Post a comment Using Summit's programmable power management ICs, system designers can digitally program the entire multiple output power supply and associated power management functions with a few clicks of a mouse compared to the tedious iterative hardware design of conventional analog power solutions.
Frozen by the heat Power DesignLine Blog 2/23/2005 Post a comment The great thing about my job is that I get to see a flood of information cross my desk that may seem disparate, but when you step back and look at the information as a whole you start to see the connections. Several approaches are being taken to either inch our way to a solution while others are being developed to completely change how we develop ever faster computing designs that don't get frozen by the heat.
AC/DCs fit industrial-telecom profile Product News 2/21/2005 Post a comment Astrodyne's NextGen family of convection-cooled switching power supplies, in 90 models, deliver from 20 to up to 150 watts at 3.3 to 48 VDC from a universal AC input for low- to moderate-power telecom, industrial, and embedded systems applications. The 1U-compliant supplies, measuring as small as 3.1-by-2-by 1.1 inches (LWH) come in single-, dual-, triple- and quad-output versions.
Voltage Choice in a Distributed Power Architecture Power DesignLine Blog 2/18/2005 Post a comment Telecom power supplies use a nominal -48 V distributed bus. However, the increasing number and complexity of loads has driven a system-level change known as the Intermediate Bus Architecture, which is fed to the Intermediate Bus Converter. Mr. Greenland tells us what's happening here and why there is talk of using an even lower voltage range.
DC power system condenses FTTH installations Product News 2/16/2005 Post a comment Valere Power's LP DC Power System, designed as a compact and cost-effective solution for powering fiber-to-the-home (FTTH) and business telecommunications service installations requiring battery back-up, delivers up to 7 amps at 54 volts. The system packs 1-, 4-, or 7-amp hot-swap/redundant rectifiers, power distribution architecture and the batteries into a 5U-high package with a footprint of just 8.6-by-6.43 inches— half the size of competing systems, according to the company.
DC/DCs make the industrial grade Product News 2/15/2005 Post a comment XPiQ's JTA family of single- and dual-output 10-20 watt DC/DC converters, touted as an updated design on industry-standard modules, is suited for economical, industrial-grade applications.
High-boost front-end facilitates a doubling of power density Product News 2/14/2005 Post a comment Vicor Corporation's new High-Boost Harmonic Attenuation Module (VI-HAM) is a universal AC-input, PFC front-end that's optimized for the company's second-generation V375 series of DC/DC converters. A single High-Boost VI-HAM can be used with any combination of V375s (available in quarter-, half-, and full-brick packages) for up to 675 watts. The High-Boost VI-HAM is also compatible with the company's VI-26x and VI-J6x series DC/DC converters (one V375 module is the equivalent of three VI-26x/J6x
Miniature 1-W DC/DCs claim lowest cost Product News 2/12/2005 Post a comment MicroPower Direct's dual-output LF100ED DC/DC converter family, with a footprint of just 0.6-by-0.44 inches, is designed to deliver 1 watt in tight installations at the lowest possible cost ($3.90 each in 100s).
Eighth-bricks meet RoHS spec Product News 2/11/2005 Post a comment Lambda's PAE50 and PAE100 eighth-brick DC/DC converters are suited for datacom and telecom systems and systems using distributed power architectures that need to comply with the RoHS (Restriction of Hazardous Substances) directive.
10-20 amp POLs extend high-density intermediate-bus apps Product News 2/11/2005 Post a comment Three new NFA series point-of-load (POL) DC/DC converters from C&D Technology, an APEC 2005 Preview announcement, are designed for minimal size and footprint and maximum flexibility to meet the ever demanding requirements of high-density applications and intermediate-bus architectures. Offered in 10-, 16-, and 20-amp models, these converters boast efficiencies of up to 95 per cent.
Military-grade AC/DC supply delivers 430 W Product News 2/10/2005 Post a comment The 56SQ1 from North Atlantic Industries is a rugged universal-input, quad-output AC/DC supply (with a fifth standby output) that delivers up to 430 watts for VME-based systems. It's particularly suited to military and aerospace programs, including airborne, shipboard, ground mobile and C3I applications. The high-density, low-profile supply, in a 2-slots-wide design measuring approximately 9.2-by-6.8-by-1.6 inches high, fits in a 6U rack.
MOSFET or bipolar, which should you use? Design How-To 2/9/2005 Post a comment MOSFET or bipolar, which should you use? Recent developments in bipolar transistors position the technology to rival or exceed MOSFET performance in many applications. From powermanagementdesignline.com, a Zetex engineer reviews the characteristics and benefits of each technology to extract the best system performance.
Powerware extends customizing software for UPS monitoring Product News 2/9/2005 Post a comment Product Review—Eaton Corporation positions its Powerware CoreLogic product as one that allows system integrators to easily customize monitoring and control of power management functions to the nth degree in stand-alone as well as integrated UPS systems. In this context, it differs from software that oversees general monitoring and control, such as LanSafe. Indeed, it empowers the system integrator to design-in highly specific power protection almost effortlessly for, say, moni
3-in-1 controller delivers precision voltage regulation Product News 2/8/2005 Post a comment The Intersil pulse width modulator provides two buck regulator outputs and a linear controller output for powering double data rate memory supplies for servers, motherboards, I/Os, FPGAs, and embedded processors, as well as, graphic cards and other system electronics.
Half-bricks boost LAN/WANs Product News 2/8/2005 Post a comment Wall Industries LV series of half-brick DC/DC converters are suited to intermediate and distributed bus architectures, telecom equipment, network (LANs/WANs) equipment and powering next generation low-voltage, high-current microprocessors and ICs. Running off a wide-range input (10-30 volts), the single-output converters deliver up to 150 watts at 3.3, 5, 12, 15, 24, 26 or 28 V, and up to 20 amps (3.3 and 5 volt models).
High-voltage quarter-bricks power RF amps Product News 2/8/2005 Post a comment TDK Innoveta's iQN series of 200-watt quarter-bricks, part of the company's Supereta family, delivers 6 amps at 35 volts and 7 amps at 28 volts from a 36-75 V input to meet the high-voltage requirements of power amps used in wireless service as well as fan control boards.
Powering Communications in Harsh Environments Design How-To 2/7/2005 Post a comment Power supplies used in harsh, remote environments bring with them many fundamental design issues that must be fully understood if long-term reliability is to be attained. For designers of communications equipment downtime is not an option. Here's how to get the most from your power supply design in harsh enviroments.
Portable Power Management: A Holistic Perspective Design How-To 2/7/2005 Post a comment A virtual explosion of handheld productivity devices, many of which have wireless and multimedia capability, has heightened the awareness that a status-quo power management mentality must give way to an aggressive all-hands effort. An all-hands holistic approach to power management excludes no one. Here's what you need to know.
Adapters deliver up to 50 W for medical/ITE Product News 2/4/2005 Post a comment Astrodyne's GTMD family of single-output desktop-style power adapters, in 23 models, deliver 8 to 50 watts at 3.3 to 48 volts for class I and II medical and ITE (information technology equipment) applications.
AC/DC delivers 150 watts in a 100-W package Product News 2/3/2005 Post a comment With the accent on power density, Wall Industries' PSSBU150 series of universal input, single-output AC/DC open chassis power supplies provides up to 150 watts at 3 to 50 volts for CRT terminals, disc drive systems, microprocessor-based systems and portable devices. The family, measuring 3-by-5-by-1.32 inches and touted as providing 50 percent more power for a PC-card type supply with given industry standard footprint, weighs just 12 ounces and is suited to 1U applications.
Dear Joe Power Supply Power DesignLine Blog 2/3/2005 Post a comment Don Alfano, Director of Applications Engineering at Silicon Labs tells a story from the point of view of - the power supply - and you get to see what pressures are placed on these almost invisible products, and what Joe Power Supply needs to keep up with technology changes.
55-watt AC/DC cites edge for 1U telecom Product News 2/3/2005 Post a comment Power-One bills its BLP55 as a low cost AC/DC supply with superior thermal-management characteristics for networking, datacom, and industrial applications. These single-output units deliver 55 watts at 5, 12, or 24 volts for full-rated output over 0 to 70°C with 10 CFM cooling.
No more mess, no more tangled wires Design How-To 2/2/2005 Post a comment Pacusma introduces its DCEverywhere to replace traditional power supply adapters with universal taps, power strips, in-wall outlets and portable units, and DCSimplify to eliminate the need for multiple cords.
Blog Doing Math in FPGAs Tom Burke 2 comments For a recent project, I explored doing "real" (that is, non-integer) math on a Spartan 3 FPGA. FPGAs, by their nature, do integer math. That is, there's no floating-point ...