基于单芯片的锂电池/组充电器设计

Design of Li-ion battery charger based on single chip

介绍一种基于BQ2057单芯片的锂电池/组智能充电器的设计方法。详细讨论了针对单锂电池及锂电池组电路各元器件参数的选择与计算。电路采用涓流预充电、先恒流后恒压、充电自动终止的方法。特别适用于各种便携式产品。

A smart Li-ion battery charger design based on the single chip BQ2057 was introduced, the electronic components parameters calculation methods for single battery and batteries were discussed. The circuit adopted trickle-charge, constant current, constant voltage and charging automatic termination method. The whole design is particularly applicable to portable products.