Easing portable USB charging
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2010-04-08 |
| Users are fast taking to the USB port as the preferred way for portable device battery charging. But while the port eliminates a separate wall adapter, it has its power limitations |
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| High-end portables demand efficient power management
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2007-06-16 |
| Requirements for high-efficiency battery charging, greater feature integration in battery-charger ICs, efficient use of board space, and increased product reliability can be met by using new power management devices |
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| Proximity detection enables energy-efficient devices
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2009-08-06 |
| Correct use of a proximity detection system can increase battery runtime in a portable device or minimise the power usage of a plug-in device |
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| Design a wireless sensor network, Part 2
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2009-03-06 |
| Here's a look at battery lifetimes, peripherals, security, and commissioning with regard to wireless sensor networks |
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| Boost converter doubles peak audio power
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2009-07-23 |
| Consumers are demanding higher performance from battery-powered portable audio devices. Here's how to double peak audio power |
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| How to achieve proper cooling through energy efficiency
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2006-08-31 |
| Prolong the battery life of your handheld devices with the techniques discussed in this article |
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| "Anode'r' way" - Why the anode yields better results
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2007-02-07 |
| This article provides the basics on the leading rechargeable battery platforms and explains how battery improvements?such as longer battery life and the elimination of thermal runaway?occur with changes to the anode |
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| Monitoring high-voltage batteries in cars
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2009-11-17 |
| Cars whose wheels are driven by battery-powered electric motors rely on batteries of series-connected cells to obtain sufficiently high voltage to operate the motor efficiently |
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| Choosing the correct power supply management topology
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2007-03-17 |
| This article discusses some popular solutions for generating a 3.3V rail from a Li-ion battery, including cascaded buck-and-boost, buck-boost, buck and low-dropout regulator (LDO) power supply topologies, and the trade-offs of each design |
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| The 3G handset's power management challenges
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2006-07-03 |
| Consumers want multimedia features in their handsets without compromising runtime and battery life. The challenge is to maintain long runtimes in 3G phones, if not make them longer |
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| Charge pumps offer low-power backlighting
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2005-08-01 |
| Improvements in power consumption for LCD backlighting are essential for the maintenance and longevity of battery life |
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| Understanding USB port charging (Part 1)
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2010-01-27 |
| USB requirements present several challenges for battery charging. This article illustrates the features and specs that simplify system design for charging a Li-ion battery in portables |
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| Enhance protection of Li-based batteries
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2005-04-01 |
| Using cell balancing techniques increases the capacity of Li-ion packs, both in system runtime and battery life |
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| Achieve fast charging for high-capacity batteries
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2006-09-13 |
| Learn how to design chargers that handle the higher battery capacities without adding more time to the equation |
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| Next-gen cellphones cry for more power
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2005-10-03 |
| Handset designers must consider several factors to effectively conserve power and extend battery life |
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| Developing energy-sensitive apps
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2010-05-07 |
| For some medical and security devices, extended operation from a single battery becomes more than just a desirable feature in the specification: It is central to the entire product concept |
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| High-end portables demand efficient power management
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2007-06-16 |
| Requirements for high-efficiency battery charging, greater feature integration in battery-charger ICs, efficient use of board space, and increased product reliability can be met by using new power management devices |
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| OVP devices make your portables safer
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2008-01-16 |
| While Li-ion battery technology has decreased the total weight of portable devices, a bad charge sequence can induce Li+ temperature increase, thermal runaway and burst, and endanger people's lives. Integrating an overvoltage protection (OVP) device makes portable devices more secure from the risks involved in charging |
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| Develop high-quality portable audio products
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2008-10-08 |
| Audio products require longer battery life, lightweight form factors, and high-quality audio performance |
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| Learn about regeneration
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2009-02-18 |
| Read about regeneration which is the recharging of battery that occurs during normal operations of motors |
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| Save power in processor-based designs, Part 2
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2009-03-25 |
| Here are tips for optimising resources and extending battery life by designing supplies more efficiently |
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| The 3G handset's power management challenges
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2006-07-03 |
| Consumers want multimedia features in their handsets without compromising runtime and battery life. The challenge is to maintain long runtimes in 3G phones, if not make them longer |
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| Cutting current drain to zero
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2010-06-03 |
| Most battery-powered portable equipment requires one or more step-up DC/DC converters to provide higher supply voltages to other components such as LCDs |
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| Choose the best buck-boost converter
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2007-03-28 |
| Design engineers have many choices for generating 3.3V from a Li-ion battery. The optimal solution depends on the specific system requirements. Most systems will benefit from the advantages provided by a buck-boost converter |
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| Choose the best buck-boost converter
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2007-03-28 |
| Design engineers have many choices for generating 3.3V from a Li-ion battery. The optimal solution depends on the specific system requirements. Most systems will benefit from the advantages provided by a buck-boost converter |
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| CSP MOSFETs Offer Both Size And Performance Advantages
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2001-03-30 |
| This paper describes Chip-Scale-Packaged (CSP) devices that enable the designer to reduce the amount of board space required to implement load management and battery protection circuits |
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| How to size ultracapacitors
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2008-07-31 |
| Discover five reasons why ultracapacitors are chosen over a battery-based solution for automotive power needs |
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| Understanding power-saving audio amp class
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2010-03-19 |
| This technical paper explains Class G amplifiers, a unique audio amplifier topology that promotes high efficiency for longer battery life |
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| Power management plans for the next CE wave
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2008-06-20 |
| For portable consumer applications, power-optimised mixed-signal solutions are critical for providing the needed system power management to maximize the battery life. Here's how you can keep ahead of consumer electronics power requirements |
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| System designer's view of display interface, power-saving problems
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2011-12-23 |
| Display-processor interface mismatches, system battery life extension, and integration of a pico projector are the three common problems faced by system designers |
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Strange modes of transport and other "stuff"
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