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Selecting the right battery system for cost-sensitive portable applications while maintaining excellent quality

Posted: 27 Aug 2007 ?? ?Print Version ?Bookmark and Share

Keywords:portable application? battery system? digital device?

Portable electronic devices have played an important role in a person's daily digital life and have changed the way people live and work. Commonly seen portable electronic devices are cellphones, media players, digital camera, digital camcorder, handheld GPS, digital reader and PDA. With the emerging technologies that are available today, portable electronic designers are trying to integrate more features into thinner and smaller form-factors while maximizing the battery life.

Batteries are the main power source for portable electronic devices, and selecting a right battery system for a unique application is one of the important factors in the portable electronic design process. It involves selecting a battery chemistry and charge management control circuitry. The battery life indicates the length a product can be used under portable mode. Longer battery life can simply make a portable device standout in the market automatically. This can usually be achieved by reducing system power consumption and implementing an advanced battery technology.

When it comes to production, reliability, safety, low-cost and easy installation are the important elements while maintaining good quality. Each battery chemistry has its advantage over another. This application note is intended to assist portable electronic product designers and engineers in selecting the right chemistry for today's low cost portable applications with design simplicity. The solutions are ideal for use in space-limited and cost-sensitive applications that can also accelerate the product time-to-market rate.

This application note shows characteristics of some popular battery chemistries for portable applications and fully integrated low cost single-cell Li-ion/lithium polymer battery charge management solutions.

Please view the PDF document for more information.

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