April 2025
Intermediate to advanced
598 pages
16h 46m
Portuguese (Portugal, Brazil)
Content preview from Eletrónica Integrada Aplicada
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Capítulo 5. Energia da bateria
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A eletrónica moderna inclui uma multiplicidade de dispositivos móveis e portáteis, sendo o cabo de alimentação AC relegado para o carregamento da bateria. A energia da bateria é imprescindível para os dispositivos modernos, e mesmo os dispositivos ligados à corrente têm frequentemente baterias internas para preservar os sistemas críticos quando falta a energia.
Muitos incêndios de dispositivos, recolhas de produtos e explosões podem ser atribuídos a uma conceção incorrecta do sistema de baterias. Além disso, muitos utilizadores finais sentem-se frustrados com dispositivos com capacidade de bateria insuficiente que não conseguem aguentar um dia normal de utilização. Claramente, existem muitos sistemas de baterias marginais que precisam de ser melhorados.
A maioria dos manuais sobre baterias centra-se na química e na física das baterias, com poucos centrados na forma de incorporar as baterias num projeto elétrico. Neste livro, as discussões sobre química são mínimas e as baterias são tratadas principalmente como uma caixa preta. Os leitores deste livro estão a tentar conceber melhores circuitos e sistemas, não criar melhores baterias.
Neste capítulo, a ênfase é colocada na conceção de um sistema de bateria que se adapte às necessidades de um sistema eletrónico e nos critérios de seleção e materiais de apoio necessários para tomar ...
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