CAJ | 학술논문

为了解决普通锂电池充电器可能造成过充、欠充及充电速度较慢的问题，利用单片机STC12C5A60S2，以电压型PWM控制器KA7500 B为核心，设计一种BUCK型智能锂电池充电器，该系统分阶段以恒流或恒压的充电方式对锂电池充电，具有过流、过压保护。实验结果表明，该智能充电器可快速、高效及可靠的对锂电池充电，比普通锂电池充电器充电速度提高约一小时左右。
위료해결보통리전지충전기가능조성과충、흠충급충전속도교만적문제，이용단편궤STC12C5A60S2，이전압형PWM공제기KA7500 B위핵심，설계일충BUCK형지능리전지충전기，해계통분계단이항류혹항압적충전방식대리전지충전，구유과류、과압보호。실험결과표명，해지능충전기가쾌속、고효급가고적대리전지충전，비보통리전지충전기충전속도제고약일소시좌우。
In order to solve the problem that ordinary lithium battery charger may cause over-charge,under-charge and charging speed,using single-chip STC12C5A60S2,a BUCK type smart lithium battery charger is designed based on PWM controller KA7500 B.The system of charging mode with constant current and con-stant voltage stage for rechargeable lithium batteries has over-current and over-voltage protection.The ex-perimental results show that the smart charger can be fast,efficient and reliable for rechargeable lithium batter-ies.The design is about one hour faster than ordinary charger.