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posted in May 2007
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Design tools spur fuel cell development year round
Design How-To  
5/31/2007   Post a comment
Challenge X EXCLUSIVE: Developing a hydrogen fuel cell vehicle in three years is a daunting task. In a northern climate that only allows test driving on roads for eight months of the year, the task is nearly impossible--without the correct tools that is.
900 W modular power supply passes medical safety approvals
Product News  
5/30/2007   Post a comment
PowerGate introduced the ACE Series of 300 to 900 W modular power with medical safety approvals. The ACE series consists of four power platforms offering 300/450/650/900 W which can be configured with a selection of 32 different output modules to provide many possible output configurations for medical and low-leakage applications.
MOSFETs well-suited for battery charging, DC/DC conversion
Product News  
5/30/2007   Post a comment
Fairchild Semiconductor introduced seven MicroFET products, which target low-voltage applications in the <30 V and <20 V ranges. The MicroFET offers performance and space advantages over conventional MOSFETs.
REVIEW: PMBus point-of-load DC-to-DC chip has 500-mV to 8-V output ranges
Product News  
5/30/2007   Post a comment
Here's a nifty power conversion and power management IC for synchronous DC-to-DC converter designs. The chip is configured to regulate two independent outputs, or two phases in a single output mode, and supports two types of current-sense topologies. Output range spans 500-mV to 8-V. eeProductCenter Senior Tech Editor Alex Mendelsohn reports.
NXP readies 300W UHF transistor for broadcast apps
Product News  
5/30/2007   Post a comment
NXP will start sampling to selected customers during the third quarter a power transistor capable of delivering 300W over the full UHF band and which is targeted at the TV transmitter/broadcast market. Volume production is scheduled to start in the in the fourth quarter.
PoE devices integrate DC/DC converter
Product News  
5/30/2007   Post a comment
Akros Silicon's AS1100 family of devices offers what it says is the smallest footprint and highest integration for Power over Ethernet (PoE) Powered Device (PD) applications.
Triple-output LED driver drives up to 24 x 500 mA LEDs
Product News  
5/29/2007   Post a comment
Linear Technology developed the LT3496, a 2 MHz DC/DC converter designed to operate as a three-channel constant-current LED driver. Each of the converter's three channels can drive up to eight 500 mA LEDs in series, enabling it to drive up to 24 x 500 mA LEDs at efficiencies up to 96%.
Gigabit-compatible PoE midspan provides full power to all ports
Product News  
5/29/2007   Post a comment
Phihong USA has developed a low-cost, 8-port midspan that lowers the cost of implementing PoE, VoIP and single points of backup in small office/home office (SOHO) environments.
High-brightness (HB) LED driver has analog and PWM dimming
Product News  
5/29/2007   Post a comment
The MAX16831 driver minimizes component count and improves overall system reliability, which is especially critical in space-constrained, harsh operating environments.
Standardized programmable power management -- An imperative for modern circuit board design
Design How-To  
5/29/2007   Post a comment
Today's circuit boards typically use several multi-voltage devices, each with a power sequencing requirement. The increase in the power supply rails, and with the need for multiple sequencing arrangements, make power management design techniques very complex. This article proposes a design solution to mitigate this complex power management problem:
Ultracapacitors target handheld devices
Product News  
5/28/2007   Post a comment
Tecate Industries has expanded the 2.7-V PowerBurst family of cylindrical, radial-leaded ultracapacitor cells, extending the capacitance value range from 0.5 F to 300 F.
Researchers: starch, enzymes release hydrogen from water for fuel
News & Analysis  
5/25/2007   Post a comment
University and government researchers are investigating whether a blend of starch, enzymes and water could produce hydrogen fuel for future cars.
Step-down DC/DC converter delivers up to 600 mA per channel
Product News  
5/24/2007   Post a comment
Linear Technology released the LTC3419/-1, a dual-output, high-efficiency, 2.25 MHz synchronous buck regulator which can deliver up to 600 mA of continuous output current from each channel. Using a constant-frequency current-mode architecture, the LTC3419 operates from an input-voltage range of 2.5 V to 5.5 V, making it suitable for single-cell Li-Ion, multi-cell alkaline or NiMH applications.
LED Driver targets automotive, general lighting applications
Product News  
5/24/2007   Post a comment
Maxim Integrated Products introduced the MAX16831 high-voltage, high-power, constant-current LED driver with analog and PWM dimming. This LED driver integrates a floating LED current-sense amplifier and dimming MOSFET driver to minimize component count in automotive and general lighting applications which use high-brightness (HB) LEDs.
Power supply delivers up to 280% peak power
Product News  
5/24/2007   Post a comment
Power Integrations introduced the TinySwitch-PK integrated power-supply control IC with peak-power mode. TinySwitch-PK delivers up to 280% peak power for short periods of time, enabling designers to specify transformers rated for the continuous power level, reducing size, weight and cost of designs.
Switching regulator provides adjustable, fixed output voltages
Product News  
5/24/2007   Post a comment
Microchip Technology developed the MCP1603; a 2 MHz, 500 mA switching regulator. This low-power switcher provides adjustable- and fixed-output voltages, undervoltage lockout (UVLO) and automatic pulse-width-modulation- (PWM) to pulse-frequency-modulation- (PFM) mode transition in thin SOT-23 (TSOT-23) and 2 x 3-mm DFN packages.
AC/DC power supplies deliver up to 300 W
Product News  
5/24/2007   Post a comment
Lambda introduced an ultra-thin, single-output AC/DC power supply which is 50% smaller and 60% lighter than typical supplies with the same ratings, making the RTW series suitable for use in electronic equipment demanding small size.
Step-down DC/DC converter suitable for harsh environments
Product News  
5/24/2007   Post a comment
Linear Technology released the LT3502/A, a 500 mA (IOUT), 40 V step-down switching regulator packaged in a 2 x 2-mm DFN. The LT3502/A's 3.4 V to 40 V input-voltage range makes it suitable for harsh environment and automotive load dump and cold-crank conditions.
USB power manager delivers 13-V overvoltage protection
Product News  
5/23/2007   Post a comment
Linear Technology has introduced the LTC4067, a monolithic linear power manager, ideal diode controller and standalone battery charger for portable devices and battery backup systems.
Get ready to design power for security IP cameras
Design How-To  
5/23/2007   Post a comment
Power over Ethernet (PoE) is fast becoming the networking vehicle of choice for video surveillance cameras. As the IEEE works to increase the power available to network powered devices, the market is expected to have new momentum to increase this explosive growth. Find out what you need to know for creating power supplies appropriate for your applications.
Microsemi reverses plan, retains Irish facility
News & Analysis  
5/23/2007   Post a comment
Analog and mixed-signal chip specialist Microsemi Corp. has reversed a decision to phase out operations at its manufacturing facility in Ennis, County Clare in Ireland.
Brookhaven nanomaterials center tackles energy research
News & Analysis  
5/22/2007   Post a comment
The new Center for Functional Nanomaterials at Brookhaven National Laboratory here will help advance the effort to achieve U.S. energy independence, lab officials said.
DC motor targeted at small footprint devices
Product News  
5/22/2007   Post a comment
Sanyo DC Micro Motor Division developed the Sanyo BSY series DC motor, suitable for applications requiring a small footprint on surface-mount circuit boards, including mobile phones and consumer medical devices.
Multi-lamp controller lights cold-cathode fluorescent lamps
Product News  
5/22/2007   Post a comment
Microsemi developed the LX6501, a high-performance multi-lamp controller designed for lighting the cold-cathode fluorescent lamps used in large-screen LCD TV applications.
Hot-swap networking front ends provide up to four main outputs
Product News  
5/22/2007   Post a comment
Power-One introduced the HP6 series of 600 W front ends. These AC/DC power supplies provide up to four main outputs, from 0.8 to 12 Vdc, plus a 5 Vdc standby output.
Design considerations for three-phase power factor correction
Design How-To  
5/22/2007   2 comments
In addition to requiring that the current track the voltage, as in a single-phase circuit, in a three-phase design the power drawn from each phase must be the same
Design considerations for three-phase power factor correction
Design How-To  
5/22/2007   Post a comment
In addition to requiring that the current track the voltage, as in a single-phase circuit, in a three-phase design the power drawn from each phase must be the same
Motorola gets patent for sun-powered mobile phone
News & Analysis  
5/22/2007   Post a comment
Motorola has been awarded a patent for technology the company says will make it possible to recharge the battery of mobile phones through solar cells embedded within the liquid crystal display.
PFC Controller tailored for 75 W to 800 W consumer applications
Product News  
5/22/2007   Post a comment
Texas Instruments released a single-chip, interleaved, transition-mode power factor correction (PFC) control circuit which helps lower power system cost and save energy in consumer applications, including digital TVs, personal computers and entry-level server platforms.
Low-profile inverter powers LCDs in portable applications
Product News  
5/22/2007   Post a comment
The W10M series DC/AC inverter from Endicott Research Group provides an input voltage of 8 V to 24 V, high-efficiency, and reliable starts for LCDs backlit by one or two CCF lamps.
Family of UPS offer scalable power protection for industrial applications
Product News  
5/22/2007   Post a comment
Falcon Electric launched their FN series UPS Plus family of parallel or N+1 redundant, uninterruptible power supplies (UPS) designed to meet the power demands of semiconductor fabrication, process control, manufacturing systems and industrial infrastructures with a scalable platform and N+1 redundancy.
European semis distribution sales get lift in Q1
News & Analysis  
5/21/2007   Post a comment
Sales by members of the Distributors’ and Manufacturers’ Association of Semiconductor Specialists (DMASS) increased by 4.8 percent to Euros 1.48 billion in the first quarter of the year compared with the same period in 2006. The sequential increase from the last quarter of 2006 was 14.5 percent.
NYC's Con Ed to get superconductor power grid
News & Analysis  
5/21/2007   Post a comment
American Superconductor Corp. has teamed with Consolidated Edison Inc. to develop new high-temperature superconductor power grid technology for New York City.
How silicon carbide diodes make solar power systems more efficient
Design How-To  
5/20/2007   Post a comment
Silicon carbide diodes have advanced in material quality, size and cost in the last few years and may be the ideal technology for the high voltage, high temperatures in solar power systems. Here's what you need to know for your next design.
Boost regulator offers high-current output, fault protection
Product News  
5/18/2007   Post a comment
Intersil released the ISL97701; a boost regulator which provides a design for passive matrix OLEDs. With efficiency up to 87%, the ISL97701 can deliver 50 mA of output current at 18 V. It can provide up to 28 V output, enabling power-efficient operations in MP3, portable media players, automotive clustering and low-end cell phones PMOLED displays.
Non-isolated DC/DC converters deliver up to 30 A of output current
Product News  
5/18/2007   Post a comment
Tyco Electronics' Power Systems released their Austin MegaLynx point-of-load (POL) DC/DC converters in SMT packages. Designed to meet the power needs of the latest generation of FPGAs and ASICs, the Austin MegaLynx converter series extends the output-current range of the Austin SuperLynx converters up to 30 A, in a SMT package.
Full-brick DC/DC converters offers 94% efficiency at full load
Product News  
5/18/2007   Post a comment
SynQor released the PQ60280FTx26 series of isolated full-brick DC/DC converters, targeting RF power-amplifier (RFPA) applications within cellular-radio infrastructure equipment.
Resonant-mode controller targets game consoles, industrial power supplies
Product News  
5/18/2007   Post a comment
ON Semiconductor introduced the NCP1396; a high-performance, resonant-mode controller featuring built-in high-side and low-side MOSFET drivers. The device enables compact design of efficient power supplies for flat panel display power converters, high-power-density AC/DC adapters, industrial power sources and game consoles.
Servo drives deliver high speed
Product News  
5/18/2007   Post a comment
Copley Controls has introduced two open standard EtherCAT-compatible Accelnet servo devices that drive brushless and brush motors.
DC/DC converters target medical, information technology industries
Product News  
5/17/2007   Post a comment
Power Sources Unlimited developed the Tracopower THB3 series of 24-pin DIP DC/DC converters designed for applications in the medical or information technology industries where high isolation is required.
RF power detector reduces output variation to ±0.5 dB at full power
Product News  
5/17/2007   Post a comment
Maxim Integrated Products introduced the MAX2204, a linear power detector for mobile applications in a 2 x 2.2-mm, lead-free, 5-pin SC70 package.
Power supply adapter is CEC compliant
Product News  
5/17/2007   Post a comment
Phihong USA has developed a series of CEC-compliant universal power supply adapters as a low-cost replacement for non-compliant linear adapters.
Transportable battery charger delivers up to 500 W in field applications
Product News  
5/16/2007   Post a comment
Absopulse Electronics' BCP 300-500 series is a constant voltage/current battery charger designed for operation in military, marine, transportation, industrial plants, oilfields and other extreme environments.
Embedded power loop minimizes capacitor charge time for PC, USB card applications
Product News  
5/16/2007   Post a comment
Advanced Analogic Technologies developed the AAT4620, a P-channel, current-limited, MOSFET power switch for high-side load-switching applications in PC modem cards.
Federal grant for management system aims at making solar power more effective
News & Analysis  
5/16/2007   Post a comment
Valere Power applies expertise from telecom industry to maximize power extraction of photovoltaic systems
Scalable power protection for networks and small data centers
Product News  
5/16/2007   Post a comment
Falcon Electric introduces a family of parallel or N+1 redundant Uninterruptible Power Supplies that targets IT infrastructure with its scalable platform and N+1 redundancy.
AC vs DC power distribution for data centers - Part 2
Design How-To  
5/16/2007   Post a comment
In Part 1 the characteristics, features, and limitations of AC and DC distribution are explained. In this part a specific energy savings analysis is examined for cost, reliability and compatibility.
48-volt DC/DC converter reduces heat, component stress
Product News  
5/15/2007   Post a comment
Ericsson Power Modules introduced three PKD-E products: the PKD4218LE SI providing 1.2 V at 20 A, the PKD4218HE SI providing 1.5 V at 14 A, and the 3.3 V at 15 A-rated PKD4510E SI. The products are aimed at existing PKD customers seeking low-building height applications requiring surface-mount DC/DC modules.
REVIEW: Power management chip throttles USB source
Product News  
5/15/2007   Post a comment
USB battery charging gets easier, thanks to a new power management chip from IC maker Linear Technology. Its bus controlled LTC3555 multi-function power management device for li-ion/polymer battery applications, integrates a switching manager, battery charger, and multiple synchronous buck regulators, plus an always-on LDO, all in a QFN surface-mount package. eeProductCenter Senior Tech Editor Alex Mendelsohn checks it out.
EDA vet Goel launches photovoltaic startup, Signet Solar
News & Analysis  
5/14/2007   Post a comment
EDA veteran Prabhu Goel is launching a solar photovoltaic startup.
Page 1 / 2   >   >>


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