基于STC15F104的智能充电器的研究与实现

Design of Intelligent Charger Based on STC15F104

移动端充电器的主要组成为稳压、恒流、限压和限时的相关控制电路。该论文选择STC15F104单片机作为控制核心,结合锂电池充电芯片MAX1898设计智能手机充电器。充电器提供一个恒定的充电电流和充电脉冲形式。它将状态反馈发送给单片机。在智能控制芯片处理后控制充电过程,智能手机充电,快速充电,进行充电保护,并且能够进行自动关机和充电报警的相关功能。根据结果来看,充电器的安全性能高,能够实现对手机高效充电,性能稳定。

The mobile terminal charger is composed of voltage stabilizing, constant current, voltage limiting and time limited relatedcontrol circuits. The STC15F104 microcontroller the lithium battery charging chip MAX1898 are chosen as the core of control forthe smart phone charger. The charger provides a constant charge current and charging pulse form. It sends the state feedback to themicrocontroller. After the intelligent control chip is processed, the internal control charge process, the smart phone charging, thefast charging, the charging protection, and the related functions of automatic shutdown and charging alarm. According to the test re-sults, the charger has high safety performance, achieves high efficiency and stable performance.