具体的要求是单节锂电池,充满后电压4.2V左右,要升压后位正负5-6V输出,精度要求不高,电流也不需要很高.
在网上找到一个电路是单节1.5V的升压电路,若小弟将1.5的电池换成锂电池,则电路中要修改那些元件参数呐?变压器绕组如何调整,小弟刚入门,轻高手赐教,感谢!
祝大家愉快!
网上找到的升压电路如下:
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