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Content tagged with Power
posted in March 2004
Maxwell launches ultracap in standard battery form factor
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3/30/2004   Post a comment
Maxwell Technologies, Inc. has unveiled its first BOOSTCAP ultracapacitor in a standard battery-sized package. Maxwell said it's the first company to offer ultracapacitors packaged in an industry standard form factor.
2-W DC/DCs serve reliably in tight spots
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3/29/2004   Post a comment
MicroPower Direct's G200 series is a family of 2-watt DC/DC converters in a 14-pin dual-in-line (Mini-DIP) case suited to industrial, data-acquisition, data processing equipment, remote equipment, and board level power distribution subsystems. Users have a choice of twenty-eight single- and dual-output models that deliver 3.3, 5, 12, 15, ±5, ±12, or ±15 VDC from a 5, 12, 24, or 48-VDC input.
Radiation-tolerant DC/DCs serve low-orbit satellites
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3/28/2004   Post a comment
International Rectifier's AMA Series (5W), AMF Series (12W), and AMR Series (30W) of (fully isolated) DC/DC converters are radiation-tolerant, high-reliability devices designed for extended operation in moderate radiation environments. The new converters, off-the-shelf units, are designed to solve the space industry's problems of lengthy design cycles and extensive design analysis requirements for custom units.
Adjustable lab supply delivers 3 kW
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3/26/2004   Post a comment
Absopulse Electronics' LVC 3000 is a 0-to-10 volt adjustable power supply system designed for high power industrial and laboratory applications including precision plating, spot-welding, and battery simulation. It can deliver a regulated 3 kW output (10 volts at 300 amps) from a 120/230 VAC (±15 percent) input. Output current can be set in seven 43-amp increments via switches on the front-panel.
Bell Labs, mPhase to develop nanotech - based batteries
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3/17/2004   Post a comment
Bell Labs and mPhase Technologies, Inc. have started working on a joint project to develop nanotechnology-based power cell technology that promises to yield 'smart batteries' with longer life and quicker activation times than current generation power sources in mobile and other industrial applications.
Modular Li+ battery system powers more portables
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3/16/2004   Post a comment
Touting a step improvement in flexibility, Valence Technology bills its second- generation lithium-ion battery system, the modular N-Charge II, as a compact, lightweight upgrade of the company's N-Charge Power System. The basic N-Charge II system, weighing 1.5 pounds, can power 90- and 120-watt notebook PCs for up to 5 hours beyond that provided by the notebook's internal source. Users can add a snap-on expansion pack (1.3 pounds) to double that run-time. With "smart tip" technology from Mobilit
Sixteenth-brick adopts 1.11-by-0.9 inch footprint
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3/14/2004   Post a comment
Celestica's SHS20 DC/DC converter, in its S-Class series, represents the company's first sixteenth-brick product as part of a collaboration with Cherokee International to establish an industry-standard form-factor for these modules (see Power Play column for March). The device, with a footprint of 1.11-by-0.9 inches and 0.4 inches high, delivers 20 amps at 2.5 volts from a nominal 48-volt input.
POLs tout high speed, high density
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3/12/2004   Post a comment
Artesyn Technologies' ultra-compact SMT12F point-of-load (POL) converter is designed to support very fast step-load changes for powering state-of-the-art silicon devices and systems in applications ranging from enterprise routers to wireless base stations. Boasting a transient response of 200 A/microsecond and a footprint of just 0.52-by-0.63 inches largely by virtue of its advanced integrated, monolithic silicon controller design, the (non-isolated) module delivers up to 12 amps at 0.9 to 3.3 v
3U rack-mount UPS delivers 4.5 kW
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3/11/2004   Post a comment
Hewlett-Packard says its R5500 XR is the industry's smallest and most power-efficient 5000 VA (4500 W) rack-mount uninterruptible power supply (UPS). Available in two versions (North America/Japan and International), the UPS combines both hot-swap electronics and hot-swap batteries into just 3U (5.25 inches). International units deliver 6000 VA and 5400 watts. Touting a new digital-signal-processor based design for longer run-time that also saves on power component hardware, it weighs in at 30 p
Zero Voltage Switching Answers Size, Efficiency Power Requirements in Comms Infrastructure
News & Analysis  
3/5/2004   Post a comment
Infrastructure-- Changes in network equipment design and in network deployment scenarios are driving the DC power conversion system closer to the end equipment and requiring smaller size and lower heat dissipations. Greg Fasullo of Valere Power offers this tutorial.
Cascaded power manager ICs manage distributed circuit board power supplies
News & Analysis  
3/2/2004   Post a comment
Distributed power architectures are becoming increasingly complicated due to the proliferation of point-of-load (POL) supplies, writes Lattice Semiconductor's Shyam Chandra. A monitoring and control bus helps sequence multiple POLs, he suggests.

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