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2012-05-31 Benefits of PLDs to mobile handsets
Learn how low cost, low power programmable logic devices are successfully adding value to mobile handset design.
2008-04-29 Automatic detection of USB port vs. wall adapter power
With USB port power functions and the ability to accept power from a high-current wall adapter, battery charging times will be reduced to the minimum possible for any given power source.
2009-12-08 Analog switch detects portable devices
Maxim Integrated Products rolls the MAX14550E, a Hi-Speed USB analog switch with a USB host-charger identification circuit to automatically detect portable devices.
2012-02-21 30V MOSFETs in 1.6 x 1.6mm form factor
Vishay's Si8497DB and Si8487DB can be used for load, battery and charger switching in handheld devices such as smartphones, tablets, POS devices and mobile computing
2007-12-19 'Smallest' charge protection IC rolls for mobile USB apps
ROHM has released a compact high-performance USB charge protection IC to protect battery driven devices from damage due to excessive current or voltage surges during USB charging.
2004-04-02 Yuasa NiMH batteries rated at 0.8Ah
The AAAC800 rechargeable NiMh battery from Yuasa (Tianjin) Technology is designed for use in communications equipment, CD players and headphone stereos
2015-05-04 What's inside an Apple Watch?
The teardown of the Apple Watch Sport 38mm by IHS Technology shows a bill of materials of $81.20 with the cost of production rising to $83.70 when the $2.50 manufacturing expense is added.
2014-05-14 Wearable supercapacitor chalks up high energy density
The device packs a network of graphene and carbon nanotubes, storing energy comparable to thin-film lithium batteries. It has volumetric energy density of 6.3microwatt-hours per cubic millimetre.
2008-05-28 Voltage charger provides superior overvoltage protection
Intersil Corp. has released the ISL9301, a high-input voltage battery charger can safely handle input voltages up to 28V
2005-01-21 TI chip protects CE devices from bad batteries
TI has developed an intelligent battery management IC that identifies potentially unsafe batteries not approved by CE manufacturers for use in their devices
2014-06-23 The lowdown on batteries: Zinc/silver-oxide
This battery is known for its high energy density and flat discharge curve. It has found use as a backup power source in the space industry, as well as for the military in some specialty areas
2014-05-19 The lowdown on batteries: Zinc-Air
This instalment focuses on zinc-air, a type of battery that has a very high energy density and is very light compared to sealed types. Companies are now evaluating the battery for use in grid storage
2014-01-24 The lowdown on batteries: Specs, terminologies
This instalment covers classifications, general specifications, and terminologies.
2015-02-02 The lowdown on batteries: Lithium titanate
Lithium Titanate (LTO) I known for itsfast charging, low internal resistance/high charge and discharge-rate, high cycle life, and excellent endurance/safety. Learn more about it in this article
2014-10-13 The lowdown on batteries: Lithium sulphur
In keeping with the lithium and sulphur theme seen in the previous instalment, let's continue with the lithium-sulphur variant, which touts some impressive new developments.
2014-01-27 The lowdown on batteries: Lead-acid batteries
This instalment focuses on the lead-acid battery invented in 1859 by French physicist Gaston Plante
2014-02-18 The lowdown on batteries: Alkaline batteries
In this instalment, we will delve on the rechargeable types of alkaline batteries.
2014-04-23 The key to improving wearable medical electronics
An essential component of wearable technologies is the power source which usually comes in the form of a battery
2012-12-21 Testing EPC for precise LTE/4G billing structures
Through a full EPC evaluation using test tools for all mobile network elements from layer 2-7, service providers can meet the high demands of LTE while simultaneously making profits.
2009-03-13 Tech recharges batteries in a snap
Researchers at the Massachusetts Institute of Technology (MIT) have developed a surface treatment that could recharge Li-ion batteries in seconds.
2013-02-15 Supercapacitors on the verge of breakout, to grow 30% yoy
The high rate of improvement in supercapacitors has started a subtle shift away from batteries and electrolytic capacitors, reducing both the danger and need for the lithium-ion based technology.
2008-07-16 Supercapacitor charger comes in compact housing
Linear Technology Corp. introduces the LTC3225, an inductorless programmable supercapacitor charger for addressing high peak power and battery backup needs in portable applications
2011-09-22 Startup raises $125M, focuses investment on China
Boston-Power will use its $125-million funding to build a fab in China capable of producing 400MWh of Li-ion batteries.
2005-08-31 Stand alone charger expands options
The LTC4076 and LTC4077 standalone linear Lithium-ion battery charger chips from Linear Technology automatically select the charging source, either an AC wall adapter or a USB port.
2014-03-04 SoC-DC wall charger technology cuts recharge times by half
The Pump Express from MediaTek gradually pumps up the charging current, minimising charging time while keeping the battery within its thermal limits.
2010-08-05 Single input charger protects Li-ion, Li-polymer batteries
Advanced Analogic Technologies Inc. announced the availability of the AAT3698, a single input 1.6A linear charger to manage the charging, sequencing and protection of Lithium (Li)-Ion and Lithium Polymer-powered portable devices
2012-04-20 Research reveals Li-ion batteries with carbon nanoparticles
A team of researchers has developed a lithium-sulfur battery that has porous carbon nanoparticles that use sulfur molecules to achieve what they claim as the greatest possible efficiency
2003-09-01 Regulating processor power for sophisticated handhelds
Even though the processor may not be the most power-hungry component of a system design, it is essential to manage processor power to reduce overall power consumption.
2015-04-10 Regulating multiple loops in power supply
While there can be some issues with regulating multiple loops, if you are able to understand the system constraints, you can come up with a strategy to make the power supply behave.
2009-07-28 Protection IC monitors voltage from charger
ST's STBP120 protects the charging-control circuitry inside cellphones and other battery-powered portable equipment in case the external charger applies an excessive voltage.
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