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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| 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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| 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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| 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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| 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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| 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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| 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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| 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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| 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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| What's the best DC/DC topology for your Li-ion powered portable?
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2007-09-21 |
| Here are 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 |
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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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| Implement OVP circuitry for safe USB charging
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2008-11-19 |
| Using the USB as a power source for direct powering or charging a battery isn't necessarily foolproof |
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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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| 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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