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Content tagged with Power
posted in September 2007
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Applying a motor-controller IC for buck-boost conversion
Design How-To  
9/29/2007   1 comment
This non-inverting buck-boost converter design will provide higher efficiency than traditional SEPIC or flyback topologies traditionally used for the task.
Power adapters meet CEC, Energy Star approvals
Product News  
9/28/2007   Post a comment
Astrodyne's 15- to 63-watt desktop external switching power adapters -- the SPU16, SPU25 and SPU63 series -- meet CEC, Energy Star approvals.
Understanding dissipation, thermal resistance, and IC temperature (Part 2 of 2)
Design How-To  
9/28/2007   1 comment
Ensure that your IC won't overheat by analyzing its thermal parameters and performance
Mosel Vitelic enters solar market
News & Analysis  
9/28/2007   Post a comment
Taiwan chip maker Mosel Vitelic Inc. is apparently entering the solar-cell market.
Ultra-small charge pumps target cell phones
Product News  
9/27/2007   Post a comment
Semtech has released its SC62X family of ultra-small and highly programmable charge pumps for providing power to LCD backlights, LED flash and camera modules in mobile phones.
LED driver integrates analog, PWM dimming control
Product News  
9/27/2007   Post a comment
Maxim has introduced the MAX16812 high-voltage, switch-mode, high-brightness (HB) LED driver with analog and PWM-dimming control for automotive and other lighting applications.
Infineon licenses IR's packaging technology
News & Analysis  
9/27/2007   Post a comment
Infineon Technologies AG has licensed International Rectifier Inc.'s power management packaging technology, dubbed DirectFET.
Readers respond to recent blog posts
Audio DesignLine Blog  
9/26/2007   Post a comment
A recap of reader feedback to recent blog posts on everything from subwoofers and tube audio to audio cables and fun with oscilloscopes.
LED driver offers buck, boost or SEPIC configs
Product News  
9/26/2007   Post a comment
Targeting applications using RGB LED backlighting or multiple strings of white LEDs, Supertex's HV9982 three-channel LED driver provides high LED current accuracy through closed-loop control of the output currents.
Audio amp reduces EMI, optimizes power
Product News  
9/26/2007   Post a comment
National Semiconductor says it has introduced the industry's first single-chip 3-W mono Class D audio amplifier with spread spectrum technology and an integrated boost converter. This device enables portable products to operate at a constant output power even at low battery voltages.
150-W power conversion IC speeds energy-efficiency compliance
Product News  
9/26/2007   Post a comment
Power Integrations has announced the TOPSwitch-HX AC-DC power conversion chip, which incorporates a 700-V power MOSFET, high voltage switched current source, PWM control, oscillator, thermal shutdown circuit, fault protection and other control circuitry onto a monolithic device.
Electric motorbike teardown
Teardown  
9/26/2007   6 comments
Vectrix designed its battery-powered VX1 motor scooter to go up against motorbikes from the likes of Honda and Yamaha. A teardown of the system shows how successful the company was at balancing performance with economy and low emissions.
Understanding dissipation, thermal resistance, and IC temperature (Part 1 of 2)
Design How-To  
9/26/2007   1 comment
Ensure that your IC won't overheat by analyzing its thermal parameters and performance
POL converters deliver 30 A
Product News  
9/25/2007   Post a comment
SynQor has expanded its NiQor family of non-isolated point of load (POL) converters with the introduction of the NQ15W50SGA30 device that delivers up to 30 A in the DOSA standard footprint and pinout.
DC/DC converters deliver up to 424 W at high voltages
Product News  
9/25/2007   Post a comment
The Bel Power division of Bel Fuse Inc. has released the GHBW53V08 series of 1/2-brick isolated DC/DC converters that comply with the IEEE 802.3af standard.
Intersil : Buck controller optimizes notebook peripheral power
Product News  
9/25/2007   Post a comment
The ISL6228 high-performance dual-output buck controller for notebook peripheral computing applications operates over an input voltage range of 3.3 to 25 V and has a highly flexible output voltage range from +0.6 to +5.0 V.
Dual N-channel MOSFETs cut board space by 50%
Product News  
9/25/2007   Post a comment
Fairchild Semiconductor's two latest dual N-channel PowerTrench MOSFETs are two highly integrated modules that are designed to reduce board space while providing the ability to achieve higher conversion efficiency in synchronous buck designs.
Bosch breaks ground for wafer fab
News & Analysis  
9/25/2007   1 comment
Bosch has started construction works for its new wafer fab in Reutlingen, Germany. The production will be used predominantly in automotive electronics.
High-accuracy fuel gauging extends to single-cell handhelds
Product News  
9/25/2007   Post a comment
This fuel gauging IC, which determines remaining run time to 1 percent, sets claim as the first high performance chip for mobiles using single-cell lithium-ion batteries
Dual-output LDO housed in DFN-8 package
Product News  
9/25/2007   Post a comment
Each output in On Semiconductor's NCP590 LDO series is capable of delivering up to 300-mA per output and is available in voltages from 0.8 V to 5V.
Quad PSE controller targets high-power applications
Product News  
9/24/2007   Post a comment
Maxim has introduced a quad Power-Sourcing-Equipment (PSE) controller for high-power (PoE+) and IEEE 802.3af-compliant Power-over-Ethernet (PoE) applications.
Critical layout tips for fast switchers
Design How-To  
9/24/2007   2 comments
Here's what you need to know in the way of good board layout practices to deliver a trouble-free switching supply design
EL lamp drivers offer high efficiency, low noise
Product News  
9/21/2007   Post a comment
Micrel has launched the MIC4830 and MIC4832, a series of 180 Vpp and 220 Vpp low noise electroluminescent lamp (EL) drivers that are designed to drive panels of up to 4 square inches or greater.
Power management IC for ultra-mobile PCs housed in single chip
Product News  
9/21/2007   Post a comment
Fujitsu has developed an one-chip system power management IC for ultra-mobile PCs (UMPCs), which the company said is the industry's first for this application.
What's the best DC/DC topology for your Li-ion powered portable?
Design How-To  
9/21/2007   Post a comment
Here's the pros and cons of four commonly applied solutions for DC/DC power conversion providing 1.8 and 3.3 volts from a single lithium-ion battery.
National Semiconductor to brand energy efficient products
Product News  
9/21/2007   Post a comment
National Semiconductor announced to introduce 'PowerWise' as a brand for highly energy efficient products. With the move, the company puts its existing technology of the same name on a broader basis.
Plug-in hybrid highlights ESC
Automotive DesignLine Blog  
9/21/2007   Post a comment
Advanced battery packs improve Prius performance, but warrantee and liability issues could be roadblocks.
Multi-string white LED drivers feature 91% efficiency
Product News  
9/21/2007   Post a comment
Semtech has released two integrated, multi-string white LED drivers, the SC440 and SC441, for powering medium and large display backlight applications.
Get grounded: protecting electrical devices from lightning transients (Part 2 of 2)
Design How-To  
9/20/2007   Post a comment
Designing an effective defense against lighting's enormous transient currents and their flows requires understanding of basic issues of wire, bonding, gauge, lugs, and more
Power MOSFET drivers provide automotive lighting protection and control
Design How-To  
9/20/2007   Post a comment
Using relays and fuses to switch and limit current for power delivery can be unpredictable and unreliable. Combining a high-side pre-FET driver and power FET is an optimal solution to control vehicle lighting.
High-side power switches extend battery life in handheld devices
Product News  
9/19/2007   Post a comment
Micrel Inc. has introduced the MIC94070/1/2/3 series of high-side load switches aimed at the low-cost battery-powered consumer device market.
Micron, Dialog in new iPod nano
Product News  
9/19/2007   Post a comment
For its latest version of the iPod nano, Apple apparently has exchanged most semiconductor suppliers, U.S. based market researcher group iSuppli has found. For instance, NXP chips are no longer used. However, with Dialog Semiconductor another European chip maker made it on Apple's shopping list.
Green issues challenge basestation power
News & Analysis  
9/19/2007   Post a comment
Almost all mobile network operators now include in annual reports and on their websites worthy statements, usually in sections touting their corporate social responsibility, about what they are doing or plan to do to reduce the energy costs of running their basestations. The operators are beginning to take the issues almost as seriously as how to solve the more consumer-oriented problem associated with battery-life and power drain on handsets.
Catalyst expands supervisor chip line
Product News  
9/19/2007   Post a comment
Catalyst continues to expand its supervisor product line with the addition of three devices that provide system processor power supply monitoring and reset functions.
Ignition IGBT lowers power dissipation by 30 percent
Product News  
9/18/2007   Post a comment
Fairchild Semiconductor says the FGB3040C is the industry's first standard current sense ignition IGBT. This IGBT lowers power dissipation by 30 percent and reduces heat in automotive applications.
Get grounded: protecting electrical devices from lightning transients (Part 1 of 2)
Design How-To  
9/18/2007   Post a comment
Designing an effective defense against lighting's enormous transient currents and their flows requires understanding of basic issues of wire, bonding, gauge, lugs, and more
Thin film batteries supply embedded systems
Product News  
9/18/2007   Post a comment
Cymbet reports that it has the first commercially-available distributed, component class, thin-film energy source for power back-up in SMT and embedded systems environments
Dual output step-down DC/DC controller features multiphase operation
Product News  
9/17/2007   Post a comment
Linear Technology has introduced the LTC3811, a dual output synchronous step-down DC/DC controller with multiphase operation, differential output voltage sensing and integrated phase-lock loop (PLL) synchronization.
Industrial-grade UPS is extra rugged
Product News  
9/17/2007   Post a comment
This true double-conversion product works at extended temperatures, provides front-panel access to battery packs for increased flexibility in harsh environments
Two good test probes are all you need
Design How-To  
9/15/2007   Post a comment
If you're using a probe that doesn't match the specifications of the device under test, what you see on your scope may not be what's going on in your circuit.
Power supply cover kits simplify integration into systems
Product News  
9/14/2007   Post a comment
Emerson Network Power has introduced cover kits for the Artesyn NLP250, Artesyn TLP150 and Astec LPS120 series of AC/DC power supplies.
Boost regulator offers output disconnect, integrated soft-start
Product News  
9/14/2007   Post a comment
Linear Technology has introduced 1-MHz, current mode, synchronous boost DC/DC converters with an output disconnect and integrated soft-start capability.
Firm demos computer powered by bicycles
News & Analysis  
9/14/2007   Post a comment
Seeking to reduce the power in data centers, SiCortex Inc. claims to have demonstrated the first high-performance computer powered solely by a team of bicyclists.
Supercapacitors deliver high-temperature operation, higher voltage rating
Product News  
9/14/2007   Post a comment
CAP-XX Limited has expanded its product line with the high-temperature HS and HW series supercapacitors that deliver an extended temperature range up to 85 degrees C and an operating voltage up to 5.5 V.
54 hours aloft, Qinetiq UAV breaks endurance record
News & Analysis  
9/14/2007   Post a comment
The Zephyr Unmanned Aerial Vehicle (UAV) has exceeded the official world record time for the longest duration unmanned flight with a 54 hour flight achieved during trials at the White Sands Missile Range in New Mexico.
Employ dynamic power reduction in an ASIC
News & Analysis  
9/14/2007   Post a comment
Incorporate power-saving methods at multiple levels in application-specific IP.
White LED driver integrates two LDOs
Product News  
9/13/2007   Post a comment
Linear Technology has introduced an integrated white LED driver with dual LDO regulators for driving main and sub LED displays and supplying low-voltage system rails in portable electronic devices.
Your walls will be changing
Design How-To  
9/12/2007   1 comment
It may not be obvious yet but digital entertainment may end up on your walls replacing the conventional picture hanging in your home. Driven by systems that enable taking digital pictures with downloading and displaying content easily and following the growth of digital and wireless phone cameras, the digital photo frame market is starting to expand rapidly. With continuing lower prices of LCD displays and the growing expectation of a visual media experience and you can see the potential.
"Green" requirements drive automotive electronics
News & Analysis  
9/12/2007   Post a comment
The greenhouse debate in the industrialized nations drives the growth for automotive electronics, said Franz Fehrenbach, CEO of automotive supplier Bosch Group at the International Automotive Exhibition (IAA) in Frankfurt.
Page 1 / 2   >   >>


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