This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

能推荐电源管理芯片吗?

Other Parts Discussed in Thread: LM2578A, TPS61087

USB供电5V转4.2V,给锂电池充电和负载供电,需要推荐一款芯片? 4.2V升压12V,计划采用芯片LM2578A设计升压电路,
电路图为lm2578a.pdf中18页电路图。如何用单片机控制12V电压的输出和停止呢?能否推荐4.2V升压12V的更好芯片,
充电芯片要简单实用和性价比高,不用功率测量,电路板空间有限。

给2节4.2V的18650锂电池(并联)供电,电流没有测量过,应该不超过1A。