Emerson network powers Liebert's Global Services Group News & Analysis 9/30/2005 Post a comment An Internet-based remote monitoring gateway from Emerson Network Power creates a secure link between mission critical infrastructure equipment (for example, UPS, cooling, generators) at the customer's facility and the Liebert Global Services command center.
1500-watt industrial supplies carry 5-year warranty Product News 9/30/2005 Post a comment Suited for high-power, high-reliability designs, Lambda's HWS1500 series of AC/DC fan-cooled single-output supplies, for industrial equipment and like applications, comes with a five-year warranty. These rack-mount units are available in four versions, with nominal outputs at 12, 15, 24 and 48 volts.
300-watt AC/DCs serve compact robotics Product News 9/30/2005 Post a comment MicroPower Direct's HF300W-SC series of AC/DC supplies, in a compact 8.5-by-4.5-by-1.96 inch enclosure, delivers up to 300 watts for machine/process control systems, industrial robotics, and datacom and telecom applications. These switchers include power factor correction to over 0.98 and robust filtering.
AC/DC configurables advance on the spot Product News 9/27/2005 Post a comment AC/DC Product Recap - On-the-spot configurability and more flexible sources for medical applications top the OEM designers’ list of demands on what an AC/DC switching supply ought to be, and manufacturers are quickly answering the call. Indeed, defining the attributes of the so-called “ideal” product for myriad AC/DC applications goes on almost without limit, yet vendors are fast sorting it out by providing higher-density 1U-sized supplies for datacom and telecom applications.
Strategic patent issued for powering digital ICs News & Analysis 9/26/2005 Post a comment Here's a patent that says the chip compares an entry from a table corresponding to the present power state of said semiconductor die to a clock counter frequency divider output to determine duty cycle and/or switching frequency of the power switching transistor.
8-watt DC/DCs extend low-cost series Product News 9/23/2005 Post a comment MicroPower Direct's A800ERW family of (isolated) DC/DC converters, an extension to the company's Budget Saver series, provides 8 watts in a DIP case for compact, low-cost board-mount installations. The single- and dual-output modules, in 28 standard models, provide 3.3, 5, 9, 12, 15, ±5, ±12, and ±15 VDC from a nominal 5-, 12-, 24-, or 48-volt input.
IPMs take a walk in the sun Product News 9/22/2005 Post a comment The newest series of intelligent power modules (IPMs) from Powerex, the PV-IPM, is targeted specifically for emerging photovoltaic (PV) inverter applications. These controller modules, available in three different circuit topologies for 50- or 75-ampere/600-volt service (total 12 models, choice of pin or screw terminals), include a single-phase inverter circuit; single-phase inverter with one boost chopper; and a single-phase inverter with two boost choppers.
Compact supply delivers 800 watts to the industry Product News 9/22/2005 Post a comment V-Infinity's VPF/VPM-S800-XXR series 800-watt switching power supplies are suited to industrial and networking applications. The supplies, available in U-frame (VPF designation, 7.99-by-4.33-by-2.56 inches) and metal-enclosed (VPM designation, 9.17-by-4.25-by-2.5 inches) versions, deliver 12 to 48 VDC in five models from a universal AC input.
1U front-end boasts highest power-density Product News 9/22/2005 Post a comment C&D Technologies' new DIU-W-1600-12-HC, an AC/DC front-end supply, delivers up to 1600 watts at 12 volts (220 VAC input, 1200 watts at 12 volts for a 110 VAC input) for blade servers, workstations, and storage systems. The 1U high unit boasts a leading power density of 17.5 watts per cubic inch.
PDUs advance remote metering/monitoring Product News 9/21/2005 Post a comment MGE UPS Systems' new Switched Power Distribution Units (PDUs) for industrial, data center and telecom applications, with current/voltage metering and remote control capability, facilitate equipment monitoring and individual on-off control of up to 16 outlets. The PDUs occupy just 1U of rack space, or zero-U in the vertical configuration.
Small UPS touts dynamic LCD readout Product News 9/20/2005 Post a comment Tripp Lite says its SmartUPS1000, a line-interactive 1 kVA uninterruptible power supply, is the first of its kind in North America to feature a liquid crystal display (LCD) for digital readout.
DC/DC supplies expand industrial reach Product News 9/16/2005 Post a comment Absopulse Electronics' expanded DCW Series of DC/DC supplies includes two new wide-input models and increased output power, up to 200 watts. These products, designed for operation in rugged industrial environments, accommodate either a 20- to 60-volt input, or a 65- to 160-VDC input. They deliver 100, 150, or 200 watts, with standard output voltages of 12, 24, 48 or 125 VDC. Other output voltages are also possible.
15-W supply provides medical benefits Product News 9/14/2005 Post a comment XP Power's CU15-M, a 15-watt open-frame AC/DC switcher for medical applications, offers a small, low-cost alternative to competing supplies. With a footprint of just 2.75-by-1.89 inches and less than 1 inch high, it saves 20 percent board space and eliminates the need for external power supplies in many applications.
The 'thermal diode'…A diode or a transistor? Design How-To 9/13/2005 Post a comment This is part two of a three-part series on thermal management. This article explains the unique characteristics of a 2-terminal diode and bi-polar junction transistor, and quantifies the errors that result when these two devices are used interchangeably.
Desktops deliver 150 watts for laptops Product News 9/12/2005 Post a comment Wall Industries' DTPW150A series of single-output desktop power supplies delivers up to 150 watts for laptops, mini PCs, printers, camera display units and flat panel monitors. These supplies provide single outputs at 12, 15, 17, 18, 19, 20, 24, 36, or 48 VDC.
Doing their part Power DesignLine Blog 9/9/2005 Post a comment Came across an interesting article about a school system that was doing its part to save energy by using more efficient power supplies. This could work, but are there other ways?
New FunctionPAKs ease prototyping Product News 9/8/2005 Post a comment All of Vishay's FunctionPAK DC/DC (nonisolated) converters and current control modules are now available in a new surface-mount adaptor board configuration to support engineering prototype assembly. While most production operations can handle the standard FunctionPAK surface-mount BGA configuration, these new "SM" versions will facilitate the assembly process for any engineering lab that finds it difficult to handle the BGA configuration in its prototype
No-bus digital POLs cut designers a break Product News 9/8/2005 Post a comment Power-One's bills its three new No-Bus point-of-load (POL) converters, the 7-amp ZY1207, 15-amp ZY1115, and 20-amp ZY1120, as
cost-effective digital alternatives to analog POLs. They will allow users to save typically between $5 and $10 for a four-output intermediate bus power system, according to the company.
AC/DCs measure up to instrumentation Product News 9/8/2005 Post a comment Touting a small footprint and high power density that's among the industry's best, Astrodyne's PPS/PPT 125 series, a 3-by-5 inch open-frame switching power supply, delivers 125 watts in 12 models (3.3 to 48 volts output) for instrumentation, industrial controls, embedded systems and telecom applications.
Field-configurable supplies expand medical options Product News 9/6/2005 Post a comment Excelsys says the medically approved modular power supplies in its Xmite family are the industry's first field-configurable types of their kind. "No other power supply in the industry is capable of such end user flexibility and power density," said Jim Oursler, vice president.
A Watertight Plan Design How-To 9/2/2005 Post a comment It won't happen to me," you think. "My company isn't in a floodplain or tornado alley, and it's nowhere near a likely bombing target." But disasters--natural and man-made--occur every day in unexpected ways. A timely article from IT Architect
1U switcher racks up network gains Product News 9/2/2005 Post a comment Emerson Network Power's Astec LPS120 switching power supply family, in five models, deliver up to 130 watts for networking and dense rack applications. "These compact low-power switchers are a great solution for a wide range of uses including telecommunications, networking, test and measurement, single-board computers and gigabit Ethernet devices," said Tom Tillman, product line manager. "At only 1.29 inches high, they have a compact footprint of only 3 inches by 5 inches and can be set up for l
1U, 600-watt supply delivers for telecom Product News 9/2/2005 Post a comment Taiyo Yuden's AAD600S, the latest addition to the company's AAD Series of 1U-high switch-mode power supplies, delivers up to 600 watts continuous power. The (isolated) single-output series, available in six models, is power factor corrected to 0.99 at full load for telecom and process control applications.