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Li-ion battery-charger solutions for JEITA compliance

Authored on: Mar 9, 2010 by Jinrong Qian

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Lithium-ion (Li-ion) batteries tend to become dangerous when they are overcharged at high temperatures. Safely charging these batteries has become one of the most important design specifications in battery-powered portable equipment. Progress has been made in establishing industry standards such as the Japan Electronics and Information Technology Industries Association (JEITA) guidelines for improving battery-charging safety. This article addresses safety requirements and battery-charger solutions that meet these requirements in both notebook and single-cell handheld applications.

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