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posted in December 2005
LTC's Li-Ion battery charger IC fits in 2-by-2mm DFN package
News & Analysis  
12/29/2005   Post a comment
A complete charger solution requires only four discrete components and can charge a single-cell Li-Ion battery at up to 750mA.
AC/DC modules tout widest operating temperature range
Product News  
12/29/2005   Post a comment
Bear Power Supplies' BP1 series of encapsulated AC/DC modules, delivering 5 to 15 watts, claims the widest operating temperature range of any competing type in the industry: -40 to +70°C (specified at half load).
PoE midspan delivers secured network management
Product News  
12/29/2005   Post a comment
PowerDsine's 6500 PoE Midspan series is reportedly the first to offer advanced secured network management and the only midspan to ship with a lifetime warranty.
1-watt DC/DCs extend design options
Product News  
12/28/2005   Post a comment
Offering OEM designers a wide range of voltage and packaging options, V-Infinity's Miniature DC/DC Converter family delivers 1 watt in approximately 85 basic single- and dual-output models for low-power mixed-signal circuits, datacom, and test and measurement.
Electronic rheostat provides decades of load resistance
Design How-To  
12/27/2005   Post a comment
Electronic rheostats deliver years of load resistance, fine-resolution resistance values, and better thermal management.
Systems take control of power in 2006
Product News  
12/27/2005   Post a comment
Power Play column, forecast for 2006 power sources and power components areas.
How to power modern motherboards under ACPI control
Design How-To  
12/26/2005   Post a comment
ACPI power ICs take the available voltages from the silver box - AC adapter - and translates them into useful system voltages on the motherboard. Here's how you can provide the majority of the motherboard voltages under ACPI control.
PoE modules boost advanced wireless, VoIP apps
Product News  
12/24/2005   Post a comment
Phihong USA's new power-over-Ethernet products include a one-port high-power midspan for high-speed 802.11N access points, and a redundant power source (RPS) with up to 180 PoE ports for VoIP and IT applications.
High voltage p-channel MOSFETs make smaller active clamps
Product News  
12/22/2005   Post a comment
Zetex Semiconductors introduces new 200V rated P-channel MOSFETs that reduces the size of active clamp designs previously reliant on much larger DPAK and SO8 packages.
SMBus battery charge IC targets notebooks and multi-cell portables
Product News  
12/22/2005   Post a comment
TI announces an integrated battery charge controller with a System Management Bus (SMBus) interface aimed at multi-cell, multi-chemistry battery packs used in portable applications.
Redundant power source provides single point of backup
Product News  
12/21/2005   Post a comment
Phihong's redundant power source provides up to 180 PoE ports for VoIP IT applications, DC UPS, and lighting systems with single UPS
UPS system supports Disney's global IT operations
News & Analysis  
12/21/2005   Post a comment
Disney Worldwide Services selected four APC Symmetra megawatt UPS units to support Disney's network-critical physical infrastructure.
Lead-acid batteries serve 4-24 volt applications
Product News  
12/21/2005   Post a comment
GC Electronics' GC family of valve-regulated lead-acid batteries comprises more than 75 models, rated at 1.2 to 230 a-h at 4, 6, 12, and 24 volts for meeting a wide range of applications.
Top ten Power Management DesignLine How-To articles for 2005
Survey  
12/21/2005   Post a comment
The clicks are in and tabulated for the first viewing of the Power Management DesignLine best of the best How-to articles. There were hundreds of articles but these ten stand out as voted on by you and your colleagues' clicks. Here's your chance to see these outstanding articles in one place.
Hoku Scientific, Sanyo ink fuel cell testing pact
News & Analysis  
12/20/2005   Post a comment
Hoku Scientific Inc., a designer, developer and manufacturer of membrane electrode assemblies and non-fluorinated membranes for proton exchange membrane (PEM) fuel cells, has entered into a testing agreement with Sanyo Electric Company Ltd.
Ault to merge with SL Industries, restates results
News & Analysis  
12/19/2005   Post a comment
Power supplier Ault Inc. has signed a definitive merger agreement with power solutions supplier SL Industries Inc, under which SL Industries will acquire all of Ault's outstanding shares of common stock.
AC/DC converter designed for harsh environments, compatible with industry-standard packages
Product News  
12/19/2005   Post a comment
A commercial AC/DC converter from Bear Power Supplies is designed for remote outdoor systems< The encapsulated power module is pin- and footprint-compatible with industry standard packages.
Power-supply design book looks at IC, system-level issues
Blog  
12/19/2005   Post a comment
Here's a brief description about a new book on power supply design from Reno Rossetti of Fairchild Semi.
How to fully integrate switching DC-DC supplies with inductor multipliers
Design How-To  
12/19/2005   Post a comment
In spite of the low noise, high speed, and simplicity of linear regulators, switching power supplies are increasingly more appealing to the designer because of better power efficiency and integration is also becoming practical. Unfortunately, building switching supplies that are almost as practical and simple as linear regulators is expensive. Here's what you need to know to use switching supplies.
Experts to provide insight into today's designs at power seminars
News & Analysis  
12/16/2005   Post a comment
Fairchild Semiconductor will launch its 2006 Power Seminars beginning in January in Europe, the Americas and Asia. The seminars will include fresh approaches to switching regulator topologies, SMPS issues, and understanding modern power MOSFETs.
Desktop supply feeds 30-W medical applications
Product News  
12/16/2005   Post a comment
Wall Industries' DTMPU30 series of desktop power supplies for medical applications delivers 30 watts at 3 to 48 VDC from a universal AC input.
Remote power management targets datacenters and IT applications
Product News  
12/16/2005   Post a comment
Aphel introduces the rPOWER Remote Power Management for Datacenter and IT applications. The meter provides remote monitoring for 20 to 60 Amp rackmount enclosure power solutions.
Full-bricks deliver 700 watts for RF amps
Product News  
12/16/2005   Post a comment
Artesyn Technologies' full-brick converters, the RFF series, delivers up to 700 watts for powering RF power amplifiers and similar telecom equipment.
New member of PMBus helps contribute to digital power management
News & Analysis  
12/15/2005   Post a comment
Ericsson Power Modules has signed the PMBus adopter agreement, becoming a full member of the Power Management Bus Implementers Forum.
PolyFuel claims fuel cell power boost
News & Analysis  
12/15/2005   Post a comment
Fuel cell membrane specialist PolyFuel, Inc., has developed an especially thin membrane for passive direct methanol fuel cells (DMFCs) that it says delivers 33 percent more power density than the previous industry benchmark.
Z-One Digital IBA design win for Beijing Telecom
News & Analysis  
12/15/2005   Post a comment
Xinwei says it configured Power-One’s Z-One Digital IBA for Beijing Telecom in 10 minutes.
Regulated 2 Watt DC-DC converters target mobile applications
Product News  
12/14/2005   Post a comment
Wall Industries launches a new line of regulated 2 Watt DC-DC converters in a SIP package designed for industrial, mobile and test equipment applications.
Double-sided cooling power MOSFETs offer 1.9 milliohms on-resistance
Product News  
12/14/2005   Post a comment
The Vishay Siliconix PolarPAK double-sided cooling power MOSFETs offer 1.9 Milliohms on-resistance and current handling to 60 A in a 5-mm by 6-mm footprint.
PoE interface circuit design meets IEEE802.3af standards
News & Analysis  
12/13/2005   Post a comment
Testing by the University of New Hampshire Interoperability Consortium (UNH-IOC) showed that a PoE interface circuit designed by Power Integrations meets the IEEE802.3af standard for PDs.
WLAN reference designs first to meet Wi-Fi multimedia PowerSave requirements
News & Analysis  
12/13/2005   Post a comment
Broadcom's WLAN access point and client designs are among the first to be Wi-Fi CERTIFIED for Wi-Fi Multimedia PowerSave requirements.
CCFL inverters take up less board space
Product News  
12/13/2005   Post a comment
Endicott Research's LDS Series of (DC/AC) inverters, in a compact form factor, power up to four cold cathode fluorescent lamps (CCFLs) for LCD backlighting applications.
Manage the slippery slope of the portable equipment power chain
Design How-To  
12/12/2005   Post a comment
Power management for handheld equipment can be a significant challenge. Learn how to achieve high system reliability while meeting power density requirements as well as low power and low cost targets.
250-watt AC/DC touts highest board density
Product News  
12/9/2005   Post a comment
N2Power says its XL250 Series of triple, quad, and quintuple AC/DC supplies, in six versions that deliver up to 250 watts, takes up less real-estate (18 square inches, 9.25 cubic inches) than any competiting product.
Tiny POL delivers 8 amps
Product News  
12/9/2005   Post a comment
With the accent on small size, NetPower's NBS series of point-of-load (POL) converters, measuring just 1.1-by-0.45-by-0.25 inches, delivers up to 8 amps.
Environmental control system adds cooling capacity
Product News  
12/7/2005   Post a comment
Four new models in Liebert's DS family of precision cooling and conditioning (air quality, humidity) systems for the computer room environment and a new adaptive condenser product that eliminates the performance penalities associated with switching to green refrigerants extend the capabilities of the product line to 105 kW. The new models include 53, 70, 77, and 105 kW downflow units.
Power management chip packs power punch for mobile devices
Product News  
12/5/2005   Post a comment
Freescale Semiconductor introduces a single power management chip to optimize system power and drive a variety of audio and multimedia features for 3G phones, mobile gaming and media players.
How to implement Advanced Telecom Computing Architecture board power systems
Design How-To  
12/5/2005   Post a comment
ATCA is the newest and most complete open standard for the implementation of telecom computing and data center systems. Learn what the power architecture options are for ATCA-compliant boards.
Feedforward noise cancellation rejects supply noise
Design How-To  
12/3/2005   Post a comment
Reduce supply noise by 26 dB, without other tradeoffs, by using feedforward noise cancellation
AC/DC supply tucks into medical applications
Product News  
12/2/2005   Post a comment
The APS400MX series of single- and dual-output switching power supplies from Advanced Power Solutions delivers 400 watts at 2 to 58 volts for medical and other harsh environments. The U-frame supplies measure just 5-by-8-by-1.6 inches (optional end-mount fan cover extends the depth to 9 inches).
UPS packs extra battery backup
Product News  
12/2/2005   Post a comment
Tripp Lite says its SmartOnline 3 kVA, a 3U-sized rackmount UPS system, has far more capacity for adding battery backup than any rival. "With up to 170% more built-in battery capacity than our competition in the popular 3000 VA space, Tripp Lite's SmartOnline stands head and shoulders above the field in terms of performance and value," said David Slotten, director of product management.
Full-brick's output extends to 54 volts
Product News  
12/1/2005   Post a comment
Vicor Corporation's V375A54C600B is a full-brick DC/DC converter that delivers up to 600 watts from a nominal 375-volt (250-425 V) input for distributed power, off-line systems using PFC front-ends, and electric vehicle applications. This product extends the output voltage range of the company's "Maxi" family to 54 volts.


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