Power Sources http://electronicdesign.com/taxonomy/term/25803/more en Envelope Tracking Excels in RF Power-Amplifier Efficiency http://electronicdesign.com/communications/envelope-tracking-excels-rf-power-amplifier-efficiency <div class="node-body article-body">Envelope tracking (ET) is considered as the industry standard for the architecture of 4G RF front ends, and designers are now focusing on how to optimize their ET solutions to deliver the best RF performance, highest data rates, and longest battery life for handsets.</div> <div class="og_rss_groups"></div><p><a href="http://electronicdesign.com/communications/envelope-tracking-excels-rf-power-amplifier-efficiency" target="_blank">read more</a></p> http://electronicdesign.com/communications/envelope-tracking-excels-rf-power-amplifier-efficiency#comments Mobile Communications Engineering Essentials Power Power Sources Tue, 13 Jan 2015 16:12:00 +0000 832961 at http://electronicdesign.com Power Forecast: New Regs for Energy Efficiency Challenge EPS Makers http://electronicdesign.com/power/power-forecast-new-regs-energy-efficiency-challenge-eps-makers <div class="field-deck"> Remember the fuss in 2006 when the California Energy Commission imposed a half-watt standby requirement on "wall-warts?" This time around, power-supply makers are ready for, and eager to comply with, new international standards. </div> <div class="node-body article-body">Remember the fuss in 2006 when the California Energy Commission imposed a half-watt standby requirement on "wall-warts?" This time around, power-supply makers are ready for, and eager to comply with, new international standards.</div> <div class="og_rss_groups"></div><p><a href="http://electronicdesign.com/power/power-forecast-new-regs-energy-efficiency-challenge-eps-makers" target="_blank">read more</a></p> http://electronicdesign.com/power/power-forecast-new-regs-energy-efficiency-challenge-eps-makers#comments Power Power Sources Tue, 23 Dec 2014 21:35:00 +0000 832251 at http://electronicdesign.com Extend Battery Life with Boost-Plus-Bypass Operation http://electronicdesign.com/power/extend-battery-life-boost-plus-bypass-operation <div class="node-body article-body">A boost-plus-bypass converter extends the battery run time in embedded MCU systems, which operate in standby mode for long periods of time. </div> <div class="og_rss_groups"></div><p><a href="http://electronicdesign.com/power/extend-battery-life-boost-plus-bypass-operation" target="_blank">read more</a></p> http://electronicdesign.com/power/extend-battery-life-boost-plus-bypass-operation#comments Contributing Technical Experts Engineering Essentials Components Embedded industrial Microcontrollers Power Power Sources Texas Instruments Thu, 04 Dec 2014 14:25:00 +0000 824081 at http://electronicdesign.com A Long Way from CAT-5-Powered VoIP Phones http://electronicdesign.com/power/long-way-cat-5-powered-voip-phones <div class="node-body article-body">Cisco's vision of Universal Power over Ethernet (UPOE) extends from the evolution of thin clients to financial trading floors, hospitality, and retail establishments.</div> <div class="og_rss_groups"></div><p><a href="http://electronicdesign.com/power/long-way-cat-5-powered-voip-phones" target="_blank">read more</a></p> http://electronicdesign.com/power/long-way-cat-5-powered-voip-phones#comments Power Power Sources Tue, 28 Oct 2014 13:43:00 +0000 148831 at http://electronicdesign.com PoE Max Power Pushes to 60 W and Beyond http://electronicdesign.com/power/poe-max-power-pushes-60-w-and-beyond <div class="field-deck"> Thanks to technological advances such as LTPoE++ and UPoE, Power over Ethernet breaks into uncharted wattage territory. </div> <div class="node-body article-body">Power over Ethernet (PoE) has matured into a technology capable of delivering 50 and 60 W or more via the same CAT-5 cables that bring the Internet to cubicles in an office space.</div> <div class="og_rss_groups"></div><p><a href="http://electronicdesign.com/power/poe-max-power-pushes-60-w-and-beyond" target="_blank">read more</a></p> http://electronicdesign.com/power/poe-max-power-pushes-60-w-and-beyond#comments Ethernet Power Power Sources Tue, 28 Oct 2014 13:04:00 +0000 148821 at http://electronicdesign.com Lithium-Battery Technology Drivers http://electronicdesign.com/power/lithium-battery-technology-drivers <div class="field-byline"> Jagat D. Singh, 3M Company </div> <div class="node-body article-body">Since the first lithium-ion battery was commercialized in the early 1990s, that battery chemistry has become integral to consumer electronics applications. Li-ion batteries hold a number of advantages over nickel-cadmium (NiCd) or nickel-metal-hydride (NiMH) varieties.</div> <div class="og_rss_groups"></div><p><a href="http://electronicdesign.com/power/lithium-battery-technology-drivers" target="_blank">read more</a></p> http://electronicdesign.com/power/lithium-battery-technology-drivers#comments Automotive Power Power Sources Mon, 27 Oct 2014 13:24:00 +0000 148321 at http://electronicdesign.com New Materials Enrich Li-ion Battery Performance http://electronicdesign.com/power/new-materials-enrich-li-ion-battery-performance <div class="field-byline"> Jagat D. Singh, 3M Company </div> <div class="node-body article-body">To reduce the cost and extend the operating time of Li-ion batteries, engineers are developing battery formats that use more active (and less inactive) materials, as well as developing material that boost cell energy (Wh/L and Wh/kg).</div> <div class="og_rss_groups"></div><p><a href="http://electronicdesign.com/power/new-materials-enrich-li-ion-battery-performance" target="_blank">read more</a></p> http://electronicdesign.com/power/new-materials-enrich-li-ion-battery-performance#comments Engineering Essentials Power Power Sources Fri, 24 Oct 2014 19:08:00 +0000 147501 at http://electronicdesign.com Li-ion-Battery-Powered BLDC Motors Augment Consumer-App Reliability http://electronicdesign.com/power/li-ion-battery-powered-bldc-motors-augment-consumer-app-reliability <div class="field-byline"> Richard Garcia, Intersil </div> <div class="node-body article-body">BLDC motors powered by Li-ion batteries can exploit the new class of bridge drivers to further enhance battery life, longevity, and high reliability in battery-powered tools, portable medical equipment, and home-automation applications.</div> <div class="og_rss_groups"></div><p><a href="http://electronicdesign.com/power/li-ion-battery-powered-bldc-motors-augment-consumer-app-reliability" target="_blank">read more</a></p> http://electronicdesign.com/power/li-ion-battery-powered-bldc-motors-augment-consumer-app-reliability#comments Engineering Essentials Power Power Sources Intersil Thu, 23 Oct 2014 13:52:00 +0000 147121 at http://electronicdesign.com Temporary Tattoo Sensors Create Sweat-Fueled Biobatteries http://electronicdesign.com/power-sources/temporary-tattoo-sensors-create-sweat-fueled-biobatteries <div class="field-byline"> Sarah Mangiola </div> <div class="node-body article-body">A UC San Diego research team turned their temporary tattoo sensor for monitoring lactate into a biobattery that could be used to power devices. </div> <div class="og_rss_groups"></div><p><a href="http://electronicdesign.com/power-sources/temporary-tattoo-sensors-create-sweat-fueled-biobatteries" target="_blank">read more</a></p> http://electronicdesign.com/power-sources/temporary-tattoo-sensors-create-sweat-fueled-biobatteries#comments Products Power Sources Mon, 18 Aug 2014 20:45:00 +0000 122491 at http://electronicdesign.com <p>The lactate levels produced during exercise are detected by a tattoo biosensor.&nbsp;</p> Courtesy of Joe Wang, ACS Assess the Challenges of Next-Generation EV Charging http://electronicdesign.com/power-sources/assess-challenges-next-generation-ev-charging <div class="field-byline"> John Merritt </div> <div class="field-deck"> What happens when everybody with an EV plugs in at once? </div> <div class="node-body article-body">With electric vehicles continuing to grow in popularity, home-based charging will have to overcome several issues.</div> <div class="og_rss_groups"></div><p><a href="http://electronicdesign.com/power-sources/assess-challenges-next-generation-ev-charging" target="_blank">read more</a></p> http://electronicdesign.com/power-sources/assess-challenges-next-generation-ev-charging#comments Automotive Power Sources Wed, 07 May 2014 13:40:00 +0000 109331 at http://electronicdesign.com