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Content tagged with Power
posted in April 2006
Get a boost for your programmable battery charging in wireless devices
Design How-To  
4/30/2006   Post a comment
Learn how to program and shorten the recharge cycle as well as lengthen the useful life of batteries. The answer is easier than you thought and is uses a part you already have; your USB port.
CCFL inverters have smallest form factor
Product News  
4/28/2006   Post a comment
Endicott Research says its S and SE Series (DC/AC) inverters, which can power up to two cold cathode fluorescent lamps (CCFLs) in display backlighting applications, have the industry's smallest form factor. They're available in both open-frame (S Series) and encapsulated (SE series) versions.
Front-end filter brings industrial DC/DCs into military compliance
Product News  
4/28/2006   Post a comment
XP Power's DSF200LV, a filter and active surge suppression module, brings industrial DC/DC power systems into MIL-STD compliance for EMI and transient response.
Improve the efficiency of mobile device backlighting
Design How-To  
4/27/2006   Post a comment
Most mobile handsets use white LEDs as backlighting for the color display and it's a significant challenge to provide high efficiency and low cost without consuming precious board real estate. Here's an article that takes a look at pros and cons of what's available and offers a creative solution to this vexing power efficiency problem.
Battery sensor monitors individual cells, cuts cost
Product News  
4/26/2006   Post a comment
LEM S.A., announces Sentinel, a battery monitoring sensor, designed for monitoring standby batteries. The sensor measures voltage and impedance per cell, as well as the internal temperature of the cells.
TI and Arrow Electronics present live webcast on LED display lighting power concerns
News & Analysis  
4/26/2006   Post a comment
TI and Arrow will present Webcast entitled "Power Concerns for LEDs Used for Display Lighting". Find out what the issues are as well as the important features and the current methods and practices used to provide power for general display lighting.
Low-cost, single-IC, triple-output TFT LCD supply
Design How-To  
4/26/2006   Post a comment
A simple circuit provides the three voltage rails for this common display, from a single 3.3V source
Fuel-cell additions power broadcast, emergency service applications
Product News  
4/26/2006   Post a comment
Jadoo Power Systems' expanded line of hydrogen-based fuel cell products for "off-grid" power markets (professional broadcasters, portable office applications, and emergency responders) include the company's FillOne refill station, PowerBase desktop support stand, and N-Stor360 fuel cannister.
6-kW PFC modules cut board requirements in half
Product News  
4/26/2006   Post a comment
Fairchild's Smart Power Modules for 3-6 kW motor drive applications cut real-estate requirements in half for power factor correction.
Custom-standard AC/DCs can be delivered within 24 hours
Product News  
4/25/2006   Post a comment
The Multistax family of ultralow-profile AC/DC supplies from Powerstax, providing up to 1.2 kW, can be quickly configured to users' specifications and delivered within 24 hours.
"Low-voltage, high-current" mini-DC/DCs deliver for telecom
Product News  
4/24/2006   Post a comment
C&D Technologies touts its UWR 7-15W series of high-density, single-output isolated DC/DC converters for its "low-voltage, high-current" capabilities, and a heatsink-free, convection-cooled design that's suited to high-end telecom, industrial, transportation, and military equipment.
Flyback transformer tutorial: function and design
Design How-To  
4/24/2006   2 comments
The low-cost and and ease of designing flyback transformers have made them a popular choice for power supply designs. Here's a quick tutorial to help you sharpen your design skills and get the most effective use from your flyback transformer. No longer do you need to rely on best guess for core design when you can use the formula provided in this article.
Get the lead out
Automotive DesignLine Blog  
4/21/2006   Post a comment
There are estimated to be more than five million used lead-acid car and other vehicle batteries that are unaccounted for.
Eighth-brick provides full output to +70 C
Product News  
4/21/2006   Post a comment
Power-One's new eighth-brick DC/DC converters in the company's EMS series, which include two single-output models that deliver 3.3 volts at 15 amps and 5 volts at 10 amps from an ultrawide 18-to- 60 volt input, deliver full power at +70 C with only 200 lfm cooling.
Flexible Batteriefilme mit lebenden Viren
News & Analysis  
4/20/2006   Post a comment
Bisher hat die Batterie-Technologie weit hinter der Halbleiter-Technologie zurückgelegen. Während Chips ihre Kapazität etwa alle 18 Monate verdoppeln, benötigen Batterien dafür bislang ein ganzes Jahrzehnt.
Samsung SDI profit falls
News & Analysis  
4/20/2006   Post a comment
South Korean plasma display maker Samsung SDI Co. Ltd. said its first-quarter operating profits showed a setback over the previous quarter due mainly to seasonal slowness, average selling price declines for its products, and a stronger Korean won.
FDK's first point-of-load converters target tough layouts
Product News  
4/19/2006   Post a comment
FDK America's point-of-load (POL) converters, the first DC/DC products from the company, are designed for intermediate bus and distributed power architectures that require high efficiency, tight regulation, and high reliability in high-temperature, low-airflow environments.
ITC ordered to review Energizer patent case
News & Analysis  
4/19/2006   Post a comment
The U.S. Court of Appeals for the Federal Circuit has issued a mandate to the U.S. International Trade Commission (ITC) to act again on the three-year-old Complaint filed by Energizer, which claims infringement of its mercury-free alkaline battery patent.
Miniature bipolar package increases power supply efficiency
Product News  
4/18/2006   Post a comment
Zetex says it produces the gate drive needed with its complementary transistors for high-power MOSFETs and IGBTs in power supply designs.
Ericsson Power Modules opens center of excellence for Asia
News & Analysis  
4/18/2006   Post a comment
Ericsson Power Modules launches its center of excellence in Shanghai that includes R&D, manufacturing, sales, service and project resources.
Boost converters power two sets of OLED and white LED displays
Product News  
4/18/2006   Post a comment
TI introduces two high-efficiency, dual-output DC/DC boost converters that can manage two sets of six white LEDs.
Industrial charger compensates for battery temperature
Product News  
4/17/2006   Post a comment
Absopulse Electronics’ BCH501-BTC is a 500-watt constant-voltage switchmode battery charger with automatic temperature compensation that's designed for use in industrial and other harsh environments.
PWM controller IC enables high density PoL regulators
Product News  
4/17/2006   Post a comment
International Rectifier introduced a 600kHz single-phase synchronous buck PWM controller IC designed for high density, 10A non-isolated point-of-load (POL) regulators used in networking and communications systems.
Buck-boost DC/DC converter delivers up to 96 percent efficiency
Product News  
4/17/2006   Post a comment
A Texas Instruments power management chip extends battery life in Li-ion powered multimedia devices and provides 96% efficiency for input voltages down to 1.8 volts.
Improve top-level simulation strategy for switching DC-DC converters
Design How-To  
4/17/2006   Post a comment
You're designing a switching DC-DC regulator for fabrication and you need to test its functionality and performance by running simulations, but the circuit complexity imposes serious challenges on your computing platform. How do you decrease simulation time without sacrificing fault-detection coverage? Here's an optimized simulation strategy to get you over the hurdle and to market on time.
UPSes cut downtime yet again
Product News  
4/14/2006   Post a comment
Tripp Lite's SU5000RT4U and SU6000RT4U uninterruptible power supplies (UPSes) tout a unique power distribution unit (PDU) that allows UPS system maintenance and component replacement without power interruption.
High-wattage AC-DC power supplies gaining market share
News & Analysis  
4/14/2006   Post a comment
Darnell releases its latest market report on the embedded AC-DC Power Supplies. The report helps semiconductor and power supply manufacturers gain a greater understanding of the total available power supply market.
Sun, EPA seek server energy spec
News & Analysis  
4/14/2006   Post a comment
Taking a cue from the automotive industry, Sun Microsystems and other electronics companies are working with the Environmental Protection Agency to define a standard metric to measure energy efficiency in server technology.
Ultracapacitor-battery integration optimizes hybrid bus power train
Design How-To  
4/13/2006   Post a comment
Hybrid-electric drives are especially attractive for large vehicles that perform large amounts of stop-and-go driving, such as buses and delivery trucks. A hybrid power train bus offers energy/emissions benefits equal to around 35 hybrid cars.
Spare op amp generates its own regulated negative supply
Design How-To  
4/13/2006   Post a comment
Use spare op amp to conveniently generate regulated negative supply from available positive supply
Do the work ... load analysis
Power DesignLine Blog  
4/13/2006   Post a comment
Power in small places, it's not about politics but about an intriguing talk at the Plenary session of the Portable Power Developer's Conference. It's all about doing the work load analysis.
Power module design replaces two IBC bricks with one
Product News  
4/12/2006   Post a comment
Ericsson says its power module design replaces two IBC bricks with one providing performance and cost benefits.
PowerGenix hires battery industry veteran
News & Analysis  
4/12/2006   Post a comment
PowerGenix hires battery industry veteran to help bring innovative nickel-zinc technology to marketplace.
Power electronics companies team up to provide power-transistor solutions
Product News  
4/12/2006   Post a comment
STMicroelectronics and Semikron team up to deliver integrated modules for high-power applications.
Quarter-brick IBC packs up to 660 watts
Product News  
4/12/2006   Post a comment
Touting a new world's record for a quarter-brick package, Ericsson says its PKM4402NG intermediate bus converter (IBC) is the first of its kind to provide up to 660 watts.
Simple circuit design tutorial for PoE applications
Design How-To  
4/12/2006   2 comments
Market pressures are driving designers to lower the cost and complexity of DC-DC converters that power PoE powered devices. And of course, performance is expected to improve. Here's a tutorial that provides simple circuit designs to help you meet these goals.
Compact AC/DCs add fan for peak efficiency
Product News  
4/12/2006   Post a comment
The newest additions to Lambda's NV-175 series of AC/DC supplies, delivering up to 200-watts peak power, have a variable-speed, temperature-controlled low-noise fan for tight installations where system airflow is not available.
Johnson Matthey, PolyFuel team on fuel cells
News & Analysis  
4/11/2006   Post a comment
Fuel cell membrane supplier PolyFuel Inc. has agreed to provide Johnson Matthey with the PolyFuel hydrocarbon direct methanol fuel cell (DMFC) membrane for fuel cells powering portable devices.
How to select the right MOSFETs for power conversion in POL architectures
Design How-To  
4/10/2006   Post a comment
Point-of-load has become increasing popular not only for voltage levels below 3.3V but for designs requiring circuit intelligence for applications with multiple functions. However, there are several factors you need to consider when choosing MOSFETs for POL converters. Here's the information you need to know to ease the selection process.
High-input quarter-brick modules fill mid-power space
Product News  
4/7/2006   Post a comment
For mid-power applications, Vicor's 50- and 75-watt Micro modules are a cost-effective solution to the company's existing Micro family of 100-150 watt DC/DC converters.
Line-interactive UPSes can be managed from the web
Product News  
4/6/2006   Post a comment
MGE says its Nova AVR 600 and 1100 VA line-interactive uninterruptible power supplies (UPSes) are the first low-cost types of their kind that can be remotely managed through a web browser or a network management system.
150-W AC/DC desktop claims best-in-class performance
Product News  
4/6/2006   Post a comment
XP Power says its AML150, a 150-watt AC/DC desktop power supply for portable equipment, has the best-in-class performance in the industry.
Companies announce digital power alliance for PoL products
News & Analysis  
4/4/2006   Post a comment
Linear Technology and Primarion announce an alliance to produce digital point-of-load products for the networking, computing and telecommunications infrastructure markets.
Compact rectifier/charger signs on for 1 kW telecom
Product News  
4/4/2006   Post a comment
TDI's newest AC/DC power module in its Signature series for telecom, delivering 1 kW at -54 VDC for rectifier/battery applications or +48 VDC for front-end architectures, touts packaging advantages for system designers by virtue of the module's relatively compact dimensions, 1U height, and light weight.
IC Industry Reps Discuss Chip Power Issues at ISQED
News & Analysis  
4/4/2006   Post a comment
The recent International Symposium on Quality Electronic Design (ISQED) conference in San Jose, CA featured an evening panel on a very timely topic, "Power Optimization—What is the Real Cost of Long Battery Life?" In this commentary, Jim Lipman recaps this panel discussion.
Linear Technology, Primarion team on POL products
News & Analysis  
4/3/2006   Post a comment
Analog IC supplier Linear Technology Corp. has signed an agreement with digital IC supplier Primarion Inc., to produce digital point-of-load (POL) products for networking, computing and telecommunications infrastructure.
Battery charging options for portable products
Design How-To  
4/3/2006   Post a comment
Portable systems are everywhere and they all need a superior power source and charging system. Here's an excellent paper that analyzes the key tradeoffs inherent in battery charging technologies, and helps you identify the optimal solutions.


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