Low-cost DC/DCs complement POL family Product News 11/24/2004 Post a comment Artesyn Technologies' eight new point-of-load DC/DC converters in its C-class family, surface-mount products that complement the company's SIL-C series of vertically and horizontally-mounted through-hole products having identical electrical characteristics, are optimized for cost-sensitive applications such as workstations, servers and storage systems. Offering single programmable output voltages from 0.9 to 5 volts in its 12-V input models (0.9 to 3.3 volts in its 5-V input models), these conve
300W HV DC Power Supplies - cover a voltage range of 1 to 60kV Product News 11/23/2004 Post a comment FX Series sophisticated, CE compliant, 300W, high voltage power supplies from Glassman deliver high power density with maximum high voltage outputs up to 60kV in a compact, lightweight unit occupying a mere 4.45cm height in a standard 19" panel. The air insulated, fast response power units feature tight voltage regulation of better than 0.005% and current regulation of better than 0.05% from short circuit to rated voltage.
Triple output DC/DC converter regulates voltage precisely for LCDs Product News 11/23/2004 Post a comment Maxim's triple-output DC/DC converter is packaged in a low-profile TSSOP. It provides the regulated voltages required by active matrix, TFT liquid crystal displays. One high-power DC/DC converter and two low-power charge pumps convert the +3.3V to +5V input supply into three independent output voltages.
Ready your power supplies for medical electronics Design How-To 11/22/2004 Post a comment There can be few more critical applications for power supplies in electronic equipment than in the field of medical electronics. Power supplies must not only deliver the specified electrical performance but must also meet stringent specifications with respect to isolation in order that patients and medical staff are protected from the risk of electric shock.
System Power Supply Units - rail-mounted bus connectors optional Product News 11/22/2004 Post a comment The Mini Power product line from Phoenix Contact is growing up: the Mini-Sys-PS power supply unit can now supply additional modules with regulated 24 V DC current, using optional rail-mounted bus connectors. Particularly for flat areas, the shallow construction (102.5 mm) offers a notable advantage.
PoL Converters Provide Fast Transient Response Design How-To 11/22/2004 Post a comment Most POL converters operate in conjunction with external capacitance requiring several solid tantalum and MLC capacitors. The capacitors have a significant negative impact on cost of the power system. Some new point of load converters are designed to operate without external bulk energy storage capacitors, providing significant cost and reliability advantages.
Miniature 15-W power blocks ease portable designs Product News 11/21/2004 Post a comment Exeter, NH - Wall Industries' new DMW DC/DC converter series, delivering 15 watts in a package measuring only 1-by-2-by-0.4 inches and weighing 1 oz., is designed for space-saving applications in datacom/telecom, mobile battery-driven equipment, distributed power systems, mixed analog/digital subsystems, and process/machine controls.
Industrial supply delivers 800 W at 110 VDC Product News 11/20/2004 Post a comment Absopulse Electronics' PFL800-110, an addition to the company's line of rugged, 1U, rack-mount power- factor-corrected power supplies, delivers 800 watts for industrial, railway, and other heavy duty applications requiring a 110 VDC output. The supply also provides a battery float voltage of 127 VDC for charging applications. Users can stack two or more units for higher output power or N+1 redundancy.
How Different Silicon Platforms Are Handling the Power Crisis Design How-To 11/18/2004 Post a comment Ask a digital chip designer what is the most important design consideration for his next chip, more often than not the answer will be, "power dissipation." Whether battery or line operated, the amount of power a chip uses is becoming a critical issue for many chips that are being fabricated in 130nm CMOS processes or below. This feature article discusses how different silicon platforms are handling the power crisis.
Front-end extends power density, I2C flexibility Product News 11/17/2004 Post a comment Power-One bills its FNP850-12, which delivers 71 amps at 12 volts, as the first in a series of hot-swap (AC/DC) front-ends featuring industry-leading power densities (15 W/in3) and I2C monitoring and control capabilities to power isolated and point-of-load DC/DC converters in networking and storage applications.
Industrial UPS hones reliability, cost edge Product News 11/16/2004 Post a comment Costa Mesa, Calif. - MGE UPS Systems' Galaxy 4000 uninterruptible power supply (UPS) meets the stringent power demands of critical data centers and industrial facilities. The 40-, 50-, 65- and 75-kVA on-line double-conversion models tout an advanced IGBT rectifier technology for better handling of input harmonics and superior power-factor-correction to minimize the UPS-to-generator size ratio.
New technologies in high density dc-dc converters News & Analysis 11/15/2004 Post a comment The increasing demand for distributed power systems, leads to a focus in the implementation of a high efficiency, high power density, board mounted DC-DC converters. The task becomes even more challenging for low power high efficiency converters, which needs high power density.
Smart Power Design How-To 11/14/2004 Post a comment The modern cell phone has become a pocket media center, how anyone gets more than 15 minutes of battery life out of such a contraption is one of the most significant engineering challenges of the decade. Read what Steve Ohr says are the significant architectures and techniques Editor from the recent introductions.
Bulk rectifier fields telecom crush Product News 11/12/2004 Post a comment Touting a low-profile (1.6U) solution that lends to higher-density performance at higher efficiency, XPiQ's CRP1K5 bulk power system, for distributed power architectures, battery charging and N+1 redundancy architectures in telecom systems, data networks, optical routers and mass storage systems, includes up to three CPD1K5 or CFP1K5 1.5-kW power units that deliver up to 4.5 kW at -54 VDC, or +48 VDC, respectively.
The Missing Piece to the Power Quality Puzzle Design How-To 11/11/2004 Post a comment The GTT (Ground Transient Terminator) developed by Chicago based 9 Corporation is promoted as "The Missing Piece to the Power Quality Puzzle." But truly how effective is it and does it have a place in America's power quality arena?
The Reversible Computing Challenge Power DesignLine Blog 11/11/2004 Post a comment What are the limits to power efficiency? Good power management strategies are important, but ultimately, they are limited by the energy dissipated by individual operations. Read what an expert, Dr Michael Frank, thinks about this critically important issue in his first blog for Power Management DesignLine.
The Reversible Computing Challenge; what it means to you Design How-To 11/11/2004 Post a comment What are the ultimate limits to the power efficiency of computers? Most power management techniques are based on turning off unused components, or on heterogeneously adjusting device thresholds, frequencies or voltages so as to meet latency constraints. Dr. Michael Frank tells you how to understand the intricacies and what it will mean to you.
Regulated quarter-bricks tout new power, density highs Product News 11/9/2004 Post a comment Artesyn Technologies touts a power breakthrough for highly regulated quarter-brick DC/DC converters with its Ultra series, an extension to the company's Typhoon family, which is designed to push single-board, through-hole quarter-brick performance to 200 watts for network and telecom applications. That's up to a 50 percent improvement in power capability over competitive (non intermediate bus converter) offerings, according to the company, combined with an unprecedented power density of 200 W/in
Ericsson joins DOSA alliance News & Analysis 11/9/2004 Post a comment Dc/dc power module supplier Ericsson Power Modules (Dallas) has joined the Distributed Open Standards Alliance (DOSA), joining current members Tyco Electronics Power Systems, SynQor Inc., Celestica Power Systems, Lambda, and Delta Electronics.
Portable power: where does it fit in your design? Power DesignLine Blog 11/9/2004 Post a comment Most design attention is devoted to the system's processor architecture, I/O, and all the functional blocks that make up a portable system. But the consequences of a poorly performing power system can be devastating. Read the thoughts from TI's Dave Heacock about this important issue.
OR-ing module facilitates DIN power backup Product News 11/9/2004 Post a comment Lambda's DLP-PU series is a DIN rail-mount OR-ing module that facilitates connection of two supplies for 1+1 redundancy for applications in process control and critical monitoring equipment where downtime would cause extensive and costly manufacturing delays.
VICBricks on the verge of factorized power Product News 11/8/2004 Post a comment Andover, Mass. - Vicor's VICBrick is the first product to include a pre-regulator module (PRM), the last key component for implementing the company's previously proposed factorized power architecture (FPA, see ID#12802682). See Product Review
Blog Doing Math in FPGAs Tom Burke 24 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 ...