【选型】输出电流10A的BUCK控制器EG1190用于电动车直流无刷电机控制板，效率高达92%

时间： 2022-12-15 来源：世强

技术问答

某客户的项目是一个用在电动车上的直流无刷电机控制板，前级由锂电池供电，通过降压至12V给后级供电。其中锂电池提供36V~54V的直流电压，通过降压，输出12V，4A。根据以上特征，本文推荐采用国产厂牌屹晶微的EG1190，这是一款BUCK控制器。

EG1190特点：

宽电压范围输入：10V~115V；
输出电流可达10A；
效率高达92%。
EG1190采用的是ESOP8封装，引脚顺序如图所示：

EG1190优势：

外围器件少，便与设计；
效率高，零静态功耗；
集成了多种保护；
价格有优势。

EG1190的典型应用电路如图所示：

综上所述，屹晶微推出的BUCK控制器EG1190非常适用于电动车。

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