如题,发现问题过程:太阳能产品,有时更换电池后,430不能正常启动,遮住太阳能板,重新上电池正常;
测试:用可调稳压电源,从0V手动快速升压至3.3V,发现不能正常工作,此时430复位管脚无效,缓慢升压至3.3V正常;直接3.3V供电,无此现象;
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如题,发现问题过程:太阳能产品,有时更换电池后,430不能正常启动,遮住太阳能板,重新上电池正常;
测试:用可调稳压电源,从0V手动快速升压至3.3V,发现不能正常工作,此时430复位管脚无效,缓慢升压至3.3V正常;直接3.3V供电,无此现象;