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Content tagged with Power
posted in July 2007
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Small low-power DC/DC converters suit portable designs
Product News  
7/31/2007   Post a comment
Texas Instruments has introduced 2.25-MHz step-down DC/DC converters, housed in 6-pin, 2 x 2-mm SON packages with +/-1.5 percent voltage regulation for portable and battery-powered applications.
Optimize system efficiency, size, and cost using fixed-output bus converters
Design How-To  
7/31/2007   Post a comment
Maximize power-system efficiency by selecting the optimal bus voltage for the application; the result may be smaller, more flexible, require less cooling, and be less expensive
Power system triples output for industrial applications
Product News  
7/31/2007   Post a comment
Eltek Valere's compact 130V DC power system offers up to 50 amps of power in two rack units of space.
Integrated FET regulators support input voltages up to 60V, spikes to 100V
Product News  
7/31/2007   Post a comment
Intersil recently released a family of high efficiency, 2A integrated FET step down DC/DC switching regulators that support wide operating input voltages and can handle transient spikes up to 100V.
Charging IC combines main battery switch, charging circuits
Product News  
7/30/2007   Post a comment
ON Semiconductor has introduced the NUS3116, an integrated charging and power switching circuit for portable handheld electronic devices.
Implementing power electronics in fluorescent lighting
Design How-To  
7/30/2007   Post a comment
Replacing magnetic ballasts with electronic versions in fluorescent lighting provide several advantages including higher energy efficiency. Fairchild provides a step-by-step explanation.
RF design team raises funds for CMOS PA initiative
News & Analysis  
7/30/2007   Post a comment
Is it possible to make a CMOS power amplifier for 3G cell phone applications that can operate with the same power efficiency and robustness as a gallium arsenide version? ACCO Semiconductor (Saint Germain en Laye, France) believes it has found a way to do just that and with its patent applications in hand is hoping to reap the benefits in a multibillion dollar market.
Speed (hybrid) racer
Automotive DesignLine Blog  
7/29/2007   Post a comment
Here are more details on Toyota's Supra HV-R hybrid racer that won the Tokachi 24-Hour Race
Practical implementation of negative-input, negative-output step-down switching converters
Design How-To  
7/27/2007   1 comment
Negative step-down switching converters bring different design challenges; understand how to implement them effectively
Portable devices drive power management demand
News & Analysis  
7/27/2007   Post a comment
Market research firm iSuppli Corp. projects the global power management semiconductor market to grow significantly over the next few years, driven in part by rising demand from portable electronic equipment manufacturers.
Buck converter drives up to seven LEDs in series
Product News  
7/26/2007   Post a comment
The CAT4201 7-W buck converter from Catalyst Semiconductor drives white LED strings up to 21 V; regulates current up to 350 mA, and eliminates need for a dedicated heat sink with up to 94 percent efficiency.
Piezo transformers could shrink power supplies
Product News  
7/26/2007   Post a comment
Passive component manufacturer Epcos AG has concluded research for a piezo-based transformer that could replace bulky conventional transformers in power supply applications.
Isolated DC/DC converters target military equipment
Product News  
7/25/2007   Post a comment
XP Power has introduced a series of isolated DC/DC converters for systems that need to be powered from both12 Vdc and 24/28 Vdc electrical supplies.
Digital POL module boasts 60-amp current
Product News  
7/25/2007   Post a comment
Power-One introduces the 60-amp ZY8160 digital POL module for the server market, which is fully programmable via I2C or GUI interfaces.
DC/DC regulator system meets military requirements
Product News  
7/25/2007   Post a comment
Linear Technology introduces the first device, an encapsulated 10-A switching DC/DC regulator system, in a new family of uModule DC/DC regulators designed for military and avionics applications.
Designing a safer battery
Design How-To  
7/25/2007   Post a comment
Find out how a model-based design approach leads to better performing and safer batteries.
White LED drivers target entry-level handsets
Product News  
7/24/2007   Post a comment
AnalogicTech has released the AAT3193, the first in a family of 2- and 3-channel, charge pump-based white LED drivers.
Load switches improve thermal dissipation in portables
Product News  
7/24/2007   Post a comment
Fairchild Semiconductor's FPF214X and FPF216X series of IntelliMAX advanced load switches offer improved thermal performance and full system protection for portable applications operating between 1.8 V and 5.5 V.
PWM buck converter offers wide input voltage range
Product News  
7/24/2007   Post a comment
The AP1533 300 KHz, 1.8-A asynchronous PWM buck converter from Diodes Inc. features soft-start function, low ripple noise output and low-power consumption for a wide range of computing and consumer electronics applications.
Power-One Aurora series makes CEC Eligible Inverter list
Product News  
7/24/2007   Post a comment
The California Energy Commission (CEC) has added the Aurora PVI-5000 and PVI-6000 Series from Power-One Inc. to its list of Eligible Inverters, which facilitates rebates of up to $2.50 per watt for residential solar installations.
Design platforms enable variable-speed motor control in energy-efficient appliances.
Design How-To  
7/24/2007   Post a comment
A sensorless, field-oriented control algorithm enables cost-effective variable speed control of PMSM, based on current measurements alone.
Utilizing UWB in ultra-low power ZigBee wireless sensor nodes
Design How-To  
7/24/2007   Post a comment
The UWB transmitter presented in this article consumes 10 times less power than conventional designs.
Dialog stabilizes after crash
News & Analysis  
7/24/2007   Post a comment
In the second quarter, Dialog Semiconductor could stabilize its situation after last year's refocusing process. The company even returned to an albeit small growth.
DC/DC controller draws 30-microamps in automotive systems
Product News  
7/24/2007   Post a comment
Check out Linear Technology's ultra-low quiescent current, two-phase dual output synchronous step-down DC/DC controller that draws only 30µA when one output is active and only 50µA when both outputs are active, making it well-suited for automotive applications.
Bringing ZigBee designs to high volume
Design How-To  
7/23/2007   Post a comment
The ZigBee wireless networking standard is fostering a wide range of newly untethered products for applications such as home and building automation, utility metering and building security. Devices without the cost or power budgets to support wireless connectivity now can leverage proven ZigBee technology for new innovation possibilities. However, "going wireless" brings new test challenges for designers unfamiliar with radio technology.

Europe urged to energize VC backing for green projects
News & Analysis  
7/23/2007   Post a comment
Technology development group TTP has issued a call to arms to European venture capital groups to invest in early stage green technology projects, or face just getting the dregs of green projects in a few years time.
Wacker builds granular polysilicon line
News & Analysis  
7/23/2007   Post a comment
In addition to existing expansion plans, Wacker Chemie plans to erect an additional polysilicon manufacturing site in Burghausen, Germany. Unlike most other polysilicon production lines, the new production site will produce granular silicon.
Startup launches microwave-powered light bulb
News & Analysis  
7/23/2007   Post a comment
Startup company Ceravision Ltd. (Milton Keynes, England) has said it has invented a microwave-powered light bulb that is more efficient than filament or fluorescent lighting and with a long stable lamp life. The company said it has prototypes available for evaluation by lamp and electronics manufacturers.
Teardown: Photo printer taps micromechanics
Teardown  
7/23/2007   Post a comment
Epson's PictureMate Deluxe Edition printer is a $75 toaster-sized box that uses piezoelectric pumps at each nozzle to precisely print photographs from almost any input source.
Integrated 200V audio driver packs power in small footprint
Product News  
7/22/2007   Post a comment
National Semiconductor IC includes soft-limiting clamp to minimize distortion, drives 200 V at 50 mA with 0.0007% THD+N
National audio op amps promise industry's lowest distortion, highest linearity
Product News  
7/22/2007   Post a comment
Two families encompass 34 and 44V operation, THD+N of 0.00003% approaches "ideal" amplifier sought for by high-end audio designers
Integrated 200V audio driver packs power in small footprint
Product News  
7/22/2007   Post a comment
National Semiconductor IC includes soft-limiting clamp to minimize distortion, drives 200 V at 50 mA with 0.0007% THD+N
When an on/off switch really does that
Power DesignLine Blog  
7/20/2007   Post a comment
There are practical and psychological implications when on/off switches don't say what they mean, and don't mean what they say...
Bill Schweber, Site Editor
Surface-mount 1.2 to 40 V LDO can easily be paralleled
Product News  
7/20/2007   Post a comment
1.1 A, 3-terminal low dropout regulator has 300 mV dropout, tight regulation, low noise
LED drivers eliminate need for external components
Product News  
7/20/2007   Post a comment
Sipex has developed the SP7120 family of multi-channel, linear LED drivers to minimize board space and simplify designs required to drive LED display backlights by eliminating the need for external components.
The Effects of Resistor Matching on Common Mode Rejection
Design How-To  
7/20/2007   Post a comment
Most differential signals are measured with instrumentation or difference amplifiers. This article will tells how these circuits achieve high common-mode rejection.
Digital power conversion helps solve power challenges in data centers
Design How-To  
7/20/2007   Post a comment
A holistic approach to energy efficiency based on digital power conversion platforms can improve overall system efficiency and reliability. Find out how power supply efficiency can have a significant impact on overall power consumption.
The Road to Challenge X: Part 3 - verification testing, validation, and control strategy
Design How-To  
7/20/2007   Post a comment
Challenge X EXCLUSIVE: Ohio State University design team relies on Model-Based Design tools and determination in a four-year hybrid power train development effort.
20-watt adapter comes with interchangeable plugs
Product News  
7/19/2007   Post a comment
Phihong USA has developed a 20-watt (W) CEC-compliant adapter with four interchangeable plugs for use in virtually any power outlet around the world.
Powering high-brightness LEDs
Design How-To  
7/19/2007   Post a comment
These increasingly powerful LEDs offer many application advantages, but drive circuitry is a critical part of the design.
Infineon bets big on automotive growth
News & Analysis  
7/19/2007   Post a comment
Driven by energy efficiency requirements, demand for comfort and safety functions and by the growing motorization in emerging markets, the automotive semiconductor market grows faster than the overall chip market. Within the automotive segment, Infineon presently grows much faster than the total market, said Peter Bauer, Infineon board member and head of the company's AIM (Automotive, Industrial, Multimarket) division last Thursday (July 19) at the roll-out of a new microcontroller chip for safe
Power converters deliver high efficiency for portable devices
Product News  
7/19/2007   Post a comment
austriamicrosystems has introduced a synchronous step-up DC/DC converter in a small TDFN 10-pin package. The 1-MHz AS1326 power converter delivers high-output currents and high efficiency of 96%.
HP ships three-phase modular power distribution units
Product News  
7/19/2007   Post a comment
HP unveiled the 8.6-kVA and 11-kVA three-phase modular power distribution units (PDUs) for blade systems with a dense data center environment requiring rack-mount power distribution.
800-mA buck-boost converter targets Li-Ion-powered handhelds
Product News  
7/19/2007   Post a comment
Aimed at extending battery run time for Li-Ion-powered handhelds, Linear Technology's latest synchronous buck-boost converter can deliver a regulated output voltage at up to 800-mA of continuous current with an input voltage above, below or equal to the output.
Vishay rolls out ChipFET power MOSFET line
Product News  
7/18/2007   Post a comment
Vishay Siliconix PowerPAK ChipFET power MOSFETs replace TSOP-6 devices with 75% lower thermal resistance in 33% smaller footprint, and offer the same 3-W maximum power dissipation as larger SO-8 devices, but provide greater thermal efficiency.
Compact power entry modules integrate connector, switch and fuseholder
Product News  
7/18/2007   Post a comment
Schurter has introduced a pair of compact power entry modules, series DD11 and DD12, that are suitable for nearly any application using detachable power.
Step-up DC/DC controller eliminates heat sink
Product News  
7/18/2007   Post a comment
Linear's LTC3813 is a synchronous No RSENSE step-up switching regulator controller that eliminates the boost diode and the heat sink normally required in medium to high power non-synchronous boost converters.
Encapsulated AC/DC switching supplies offer improved EMC
Product News  
7/18/2007   Post a comment
Designed for instrumentation, control and telecommunication systems, Astrodyne has introduced the ECA series of ultra-miniature encapsulated switching power supplies for EMC noise compliance to EN 60601-1-2:2001.
LED driver achieves 94% peak efficiency, delivers gradual dimming
Product News  
7/18/2007   Post a comment
ON Semiconductor introduces the NCP5623, a tiny, high-efficiency triple-output LED driver with an I2C interface and built-in gradual dimming for driving RGB LEDs for fun lighting applications or LCD backlighting in portable devices.
Custom-configured medical power supplies are off-the-shelf
Product News  
7/18/2007   Post a comment
Excelsys' Xmite series of medical-approved power supplies offer users custom outputs that they can be easily and quickly configured while maintaining all safety agency approvals.
Page 1 / 3   >   >>


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