基于LM3S9B92的锂离子电池充电器的设计与实现

设计了一种基于LM3S9B92嵌入式微控制器的锂离子电池充电器,并给出了硬件、软件设计。该充电器可以直接以市电作为输入,运用方便。其基本设计理念是根据采集的电池电压和充电电流信息,利用LM3S9B92产生适合的PWM信号控制BUCK电源变换器工作,实现充电高效控制。该充电器具有数字化和智能化的特点,便于推广和应用。

Design and implementation of Li-Ion battery charger based on LM3S9B92

One kind of Li-Ion battery charger based on LM3S9B92 is designed in this article, the hardware and software design are illustrated as well. This charger uses commercial power as its input so that it can be utilized conveniently. The basic concept of the design is that LM3S9B92 produces the appropriate PWM signals to control the BUCK conventer and achieve charging characteristics highly effective according to the battery voltage and current. This Li-Ion battery charger has digital, intelligent features, so it is easier to be applied and popularized.