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Content tagged with Power
posted in May 2005
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Shift Happens
Power DesignLine Blog  
5/31/2005   Post a comment
The combination of advanced control methods and novel power stage designs will spawn an entire new breed of power supplies that redefine state-of-the-art performance benchmarks.
AC/DC desktops fill low-power gap
Product News  
5/31/2005   Post a comment
Ault's new PW136 external power series delivers 60 watts in nine models (3.3, 5, 7, 9, 12, 15, 18, 24, and 48 VDC) from a universal 100-250 VAC input. "OEMs will find this power supply to be versatile and popular because it delivers a range of power from 23 to 60 watts," said Greg Harris, vice president of business development."
AC/DC fits into compact networking
Product News  
5/30/2005   Post a comment
Emerson Network Power's Astec LPS122 switching power supply, this one a high-density model in the company's LPS120 power supply family, can deliver up to 130 watts at 5 volts (with 30 cfm cooling) for networking and other rack applications.
Compact DC/DCs meet RoHS requirements
Product News  
5/29/2005   Post a comment
The SC10N series from Semiconductor Circuits, in a single inline package measuring just 2-by-0.55-by-0.35 inches, is the company's next-generation of RoHS (restriction of hazardous substances) compliant DC/DC converters. Available in three models providing up to 10 amps at 1 to 5 VDC from a nominal 3.3-, 5-, or 12-volt input, the (nonisolated) series features a typical line regulation of 0.1 percent, load regulation of 0.25 percent, ripple and noise of 35 mV p-p, and efficiency of 85 to 90 perc
Gas Gauging: Art or Science?
Design How-To  
5/27/2005   Post a comment
Battery ICs are very sophisticated and must keep up with the demand for accurately calculating battery performance for the wide variety of battery types. Each calculation method has differing elements and resolutions and introduces possible errors into the equation, which affects the battery's potential long-term maximum performance. Here's what you need to know to get the most out of your battery.
Configurable medical supplies are pre-approved
Product News  
5/27/2005   Post a comment
The AC/DC power sources in the MM family from Powerstax plc (formerly Advanced Power Conversion) are pre-approved, configurable medical supplies designed to reduce costs associated with safety agency clearances and time-to-market design issues. Available in two industry standard sizes, the Powerstax MM series delivers 400, 600, and 1,000 watts from up to 12 isolated outputs (1.45 to 28 volts), which represents 46,656 possible output configurations.
Thrifty half-bricks put wireless on the air
Product News  
5/26/2005   Post a comment
Designed to provide economical, high-reliability service, Ericsson's PKJ-N half-brick series of DC/DC converters are suited to RF power amplifier systems and 2G and 3G base station applications.
Simulation software sets power designs in motion
Product News  
5/26/2005   Post a comment
International Rectifier's new web-based simulation tool for three-phase, variable-speed, motor drive inverter circuits simplifies recursive calculations and expands the design support for the company's iMOTION integrated design platform.
How to drive switching devices without losing speed
Design How-To  
5/26/2005   Post a comment
The monolithic high-side drive poses a fascinating challenge for system designers. Simply put, designers need to find a way to drive the switching devices as easily as possible - without suffering from lack of speed. Enter a high-voltage process for the high-side gate driver IC and the conventional high-side driver topology.
Smart Batteries Showing Diverse Potential
News & Analysis  
5/25/2005   Post a comment
Frost and Sullivan says revolutionary developments worldwide are pushing the smart battery technology into a diverse range of applications across several industries.
Quarter-brick fields semi-regulated bus, TCA apps
Product News  
5/25/2005   Post a comment
Power-One's QKS48T21120 quarter-brick DC/DC converter, specifically suited to loosely-regulated intermediate-bus and advanced TCA (Telecom Computing Architecture) applications, delivers up to 21 amps at 12 volts from a 36-75 volt input.
Sealed inverter rebuffs the elements
Product News  
5/25/2005   Post a comment
Absopulse Electronics' PSI 1000 series inverter, whose internal modules are fully encapsulated within a thermally conductive MIL-spec silicon rubber compound to ensure immunity to shock, vibration, moisture, humidity, salt, and fog, delivers 1000 VA at 50, 60, or 400 Hz for powering industrial, railway, marine, mining, utility, and aviation ground support equipment.
DC/DC converter optimized for RF load requirements
Product News  
5/24/2005   Post a comment
Ericsson introduces a highly efficient DC/DC converter optimized for RF power. It uses a technology that significantly improves thermal management and performance over other designs.
POLA power modules are the first for 50 and 60 amps
Product News  
5/24/2005   Post a comment
Texas Instruments announces that its PTH12040 and PTH04040 are the industry's first POLA (Point-of-Load Alliance) compatible, plug-in power modules for 50- and 60-amp service.
Reversible Computing ABCs: No Longer Greek - part two
Power DesignLine Blog  
5/24/2005   Post a comment
Last week Dr. Frank talked about the background and the location of the Reversible Computing Workshop. This week he talks about what happened at the workshop. Do you like contests? I thought so.
POLA-compatible, non-isolated modules offer innovative multi-phase switching
Product News  
5/23/2005   Post a comment
TI offers a POLA-compatible, non-isolated, plug-in power modules with an innovative multi-phase switching topology. The modules are capable of powering today's most densely populated power systems found in advanced computing platforms and servers.
Sensor signal conditioning device offers speed and easy PC-controlled configuration
Product News  
5/23/2005   Post a comment
The ZMD 31010 sensor signal conditioner can be configured and calibrated using a Windows based computer via a one-wire interface.
Power reduction software works with existing design flows
Product News  
5/23/2005   Post a comment
Golden Gate Technology offers power reduction software that works with existing design flows at the architectural and physical levels. The company says it can reduce total power consumption by up to 25%.
Apple says 128,000 laptop batteries may be defective
News & Analysis  
5/20/2005   Post a comment
Apple Computer Inc. said Friday it is recalling 128,000 lithium-ion battery packs because of concerns over possible overheating.
1-W DC/DCs are easy on the budget
Product News  
5/20/2005   Post a comment
MicroPower Direct's D100E series of miniaturized DC/DC converters, part of the company's new Budget Saver product line, delivers 1 watt for space-critical board-level applications. The converters, in a 7-pin SIP measuring 0.77-by-0.24-by-0.4 inches, are available in 24 models, which provide single and dual outputs of 5, 9, 12, 15, ±5, ±9, ±12, and ±15 VDC from a 5-, 12-, or 24-volt input. They're priced at $2.45 each in 100s, the lowest cost units of their kind in the ind
DC-DC Conversion for Power over Ethernet
Design How-To  
5/19/2005   Post a comment
In the next few years power-over-Ethernet is expected to become a standard feature on all high-end switches and routers for voice over Internet protocol (VoIP) and LAN wireless. Here's some in-depth help designing an isolated dc-dc converter that can be used in Powered Devices for Power over Ethernet applications.
AC/DCs stake claim as the first field-configurables
Product News  
5/19/2005   Post a comment
Excelsys says its Xcite family of AC/DC "field-configurable" power supplies is a first in the power supply industry. The 400-1200 watt plug n' play family comprises four front-end chassis (powerPacs) and seven output modules (powerMods), with each modular solution providing a complement of DIP switches and a trim pot to allow users to quickly configure output requirements.
Stand-alone fuel gauge calculates remaining battery capacity
Product News  
5/18/2005   Post a comment
A 2-wire, stand-alone fuel gauge from Dallas Semiconductor calculates remaining battery capacity and simplifies software development. It's just right for digital cameras, 3G multimedia wireless handsets and more.
Programmable electronic loads heft nearly 2-kW
Product News  
5/18/2005   Post a comment
If you're working with batteries or battery chargers, fuel cells, AC-to-DC and DC-to-DC converters, DC-to-AC inverters, or voltage regulator modules, Elgar Electronics has a new line of programmable electronic loads to ease the task of testing such sources. Offered in both modular and rack-mount configurations, these loads can heft either AC or DC, with versions capable of handling between 75-W to 1.8-kW.
Taming Power Inductors for System-on-Chip (SoC) Integration
Design How-To  
5/18/2005   Post a comment
Continuing to integrate more devices and functions into ever shrinking waistlines is a design challenge for circuit designers everywhere. What can you do? You can get rid of the bulky components but be careful which ones you eliminate.
Programmable, chemistry-independent battery chargers offer safety
Product News  
5/17/2005   Post a comment
Intersil launches accurate, fully programmable, chemistry-independent battery chargers that maximize battery performance and provide charging safety.
Energy Star adds to charter partners for external power supplies
News & Analysis  
5/17/2005   Post a comment
Need information about the ENERGY STAR External Power Supplies program? Find all the contact information here.
Current sense resistors meet needs for high-power dissipation, low resistance
Product News  
5/17/2005   Post a comment
Stackpole Electronics introduces a 100 amp current sense resistor that is used for applications that need high-power dissipation with low resistance.
Electro Energy to acquire former Energizer plant
News & Analysis  
5/16/2005   Post a comment
Electro Energy Inc. announced Monday (May 16) it has agreed to acquire equipment and lease facilities formerly owned by Energizer Power Systems to manufacture lithium and nickel batteries.
Hold on to your power
Power DesignLine Blog  
5/16/2005   Post a comment
NOAA Space Environment Center says there was an extreme geomagnetic storm that could affect all power systems causing widespread voltage control problems. Really? Did you notice anything?
Power availability ensured for VoIP, WLANs and IP Devices
Product News  
5/16/2005   Post a comment
MGE introduces a 24-port midspan power hub to ensure continuous power for IP phones, WLAN, Bluetooth access points and video surveillance systems.
Reversible Computing ABCs: No Longer Greek to the World?
Power DesignLine Blog  
5/16/2005   Post a comment
Dr. Frank just returned from directing the First International Workshop on Reversible Computing on the beautiful island of Ischia, Italy. Don't know much about Ischia? Let him give you a short lesson. Don't know much about reverisible computing? Here's a few words about it and some links to more. Next week he describes some of the highlights of the conference.
Power backup for VoIP spans Ethernet-with-UPS solution
Product News  
5/16/2005   Post a comment
Product Review - MGE touts the first comprehensive backup power solution for the secured PoE infrastructure—providing PoE midspan, UPS, and supervisory functions for Enterprise IT networks, which include VoIP.
POLA compatible power modules targets Intermediate Bus Architectures
Product News  
5/13/2005   Post a comment
Texas Instruments Incorporated announces two families of POLA compatible, non-isolated, plug-in power modules that simplify power design in multi-voltage systems.
Cherokee, rival power suppliers face weak quarter
News & Analysis  
5/12/2005   Post a comment
Custom power supplier Cherokee International Corp. posted net earnings of $0.6 million, or 3 cents per share on sales of $32.0 million for the first quarter, down from $2.2 million, or 20 cents per share on sales of $36.8 million in year-ago quarter.
Bel Fuse hounds Artesyn again about merger
News & Analysis  
5/12/2005   Post a comment
Like a suitor undeterred by rejection, components supplier Bel Fuse Inc. announced Thursday it has sent a letter to the board of directors of power supplier Artesyn Technologies Inc. expressing disappointment with Artesyn's current stock price and again urging the companies to consider merging their operations.
Compact supplies flex customizing muscle
Product News  
5/12/2005   Post a comment
Touting a superior platform from which to bring customized designs to market, XP Power, with its fleXPower family of AC/DC supplies offers designers a broad array of power solutions from 400 watts to 2.2 kW, and can deliver samples within 24 hours.
Configurable power supplies deliver 400W to 2200W of customized power
Product News  
5/12/2005   Post a comment
XP Power has announced its next generation of configurable power supplies that enables the company to offer an infinite choice of customized power solutions from 400 Watts to 2200 Watts
Thermal Management Summit - information you can use now
News & Analysis  
5/10/2005   Post a comment
Meet for two days of intense learning, as in-depth reviews of the hot topics in electronics cooling, in a variety of applications, are delivered by recognized leaders in the field.
UPS touts galvanically isolated input
Product News  
5/10/2005   Post a comment
Falcon Electric's new single-phase SG Series Plus uninterruptible power systems (UPSes) for 5 and 6 kVA service feature a galvanically isolated input, which is unusual for this class of supplies, according to the company. These true on-line (double conversion) UPSes, working from the 120 or 230 VAC mains and with an output of 208/220/230/240 VAC, are suited to sensitive equipment, for which galvanic isolation is said to afford an extra level of protection.
Four bay battery platform charges Li Ion, NiMH or NiCad packs
Product News  
5/10/2005   Post a comment
SelfCHARGE introduces a standard one to four bay accessory battery charger/ docking station platform for custom Li Ion, NiMH or Ni Cad OEM battery packs.
Power-over-Ethernet midspan first for VoIP
Product News  
5/9/2005   Post a comment
PowerDsine says its 24-port 6024G is the industry's first power-over-Ethernet (PoE) midspan device for serving 10/100 Mbps and emerging gigabit (1000 Mbps) network devices such as VoIP phones, WLAN access points and IP network video cameras in enterprise installations.
Wither Current Mode?
Power DesignLine Blog  
5/9/2005   Post a comment
Don Alfano of Silicon Labs says voltage mode will become more popular as digital power supply control becomes dominant. If you don't think so, or you're not sure, let Don enumerate the reasons why voltage mode has it all over current mode.
Just enough is enough, right?
Power DesignLine Blog  
5/7/2005   Post a comment
Portable applications have become very popular in the last couple years and will continue to gain in popularity. That means portable designs must become more efficient and probably we consumers must get used to the idea that these mighty mites will only have just enough power to get the job done. Are you okay with that?
Extended-range UPSes field industrial applications
Product News  
5/6/2005   Post a comment
Tripp Lite's new line of 3-phase SmartOnline uninterruptible power supplies (UPSes), true double-conversion systems, extend to the 20 and 30 kVA region for computing, networking, telecommunications, and industrial environments.
High-voltage supply serves distributed power
Product News  
5/5/2005   Post a comment
Absopulse Electronics' HVI 5000 supply delivers 40 amps continuous at 125 VDC from a 277 VAC or 350 VDC (±10 percent) input for power generation and power distribution applications, as well as for industrial and other heavy-duty environments.
Reliability Issues for Hot Swappable Devices
Design How-To  
5/4/2005   Post a comment
ON Semi tells you how to solve inherent failures mechanisms of hot swap systems, such as failure of gate drive level in the safe operating area of a power FET, without using transzorbs or overrating power devices.
Charge pump reduces backlight power consumption in light load mode
Product News  
5/3/2005   Post a comment
AnalogicTech introduces dual, high efficiency charge pump with low quiescent current to reduce backlight power consumption in light load mode.
Find discontinued dc/dc converters and ac/dc power supplies
Design How-To  
5/3/2005   Post a comment
Wall Industries launches a source for hard-to-find power solutions
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Rishabh N. Mahajani, High School Senior and Future Engineer

Future Engineers: Don’t 'Trip Up' on Your College Road Trip
Rishabh N. Mahajani, High School Senior and Future Engineer
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A future engineer shares his impressions of a recent tour of top schools and offers advice on making the most of the time-honored tradition of the college road trip.

Max Maxfield

Juggling a Cornucopia of Projects
Max Maxfield
2 comments
I feel like I'm juggling a lot of hobby projects at the moment. The problem is that I can't juggle. Actually, that's not strictly true -- I can juggle ten fine china dinner plates, but ...

Larry Desjardin

Engineers Should Study Finance: 5 Reasons Why
Larry Desjardin
28 comments
I'm a big proponent of engineers learning financial basics. Why? Because engineers are making decisions all the time, in multiple ways. Having a good financial understanding guides these ...

Karen Field

July Cartoon Caption Contest: Let's Talk Some Trash
Karen Field
127 comments
Steve Jobs allegedly got his start by dumpster diving with the Computer Club at Homestead High in the early 1970s.

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