【选型】国产高压DCDC PL88104替代MP2456助力扫地机器人，耐压值可达60V
随着目前国产化替代，以及晶圆等缺的情况下，诸多国内公司会选择倾向选择国产芯片的做替代设计。笔者一家客户设计一款扫地机器人，前期高压DCDC使用国外的MP2456，这部分用来给处理运算单元和数据采集单元进行供电，推荐国产宝砾微电子的PL88104进行替代，产品整体性能更有优势。
PL88104在基本参数性能上和MP2456的对比如下所示：
PL88104输入范围比MP2456更宽，可承受的耐压值更高；输出电流PL88104为600mA更大，带载能力更强；同时PL88104的工作最高效率比MP2456更高一些。
外围电路设计和MP2456一模一样，可以给客户省去研发时间，无需改板。
PL88104参考电路图
MP2456参考电路图
PL88104外围输入比MP2456多一个电容，但输出这边会比MP2456少一个续流二极管，效率也就更高。
综合来看，PL88104完全可以替换MP2456。
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随着产品清洁模块的不断升级迭代，扫地机器人的清洁功能从以前单纯的地面吸尘到现在自清洁能力，给大部分家庭清洁带来便利。本文介绍的就是国产圣邦微同步降压DCDC转换器SGM61430在扫地机上的应用。
我在设计一款充电宝，计划有双向100W的PD快充，目前需要双向升降压的DCDC芯片用在PD部分，类似于南芯的SC8815，世强是否有别的推荐，目前南芯交期、价格都不好。
宝砾微的PL5500和南芯的SC8815功能一样，是双向升降压控制器、耐压高达40V，20A输出电流，正向充电、反向放电功能，QFN4*4-32封装，规格书：https://www.sekorm.com/doc/2162798.html
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