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BQ24610: 输入12转8.4V,电容导致输出异常为2V左右

Part Number: BQ24610


您好,请帮忙分析下这是什么原因。电路是输入12转8.4V。在未接电池的情况,输出只有2V左右,如图1波形。删除原理图C3316这颗电容后正常,如图2波形。

电容规格如下:贴片钽电容2312,68uf,16V,20%   (AVX)TAJC686M016RNJ

  SCHEMATIC1 _ 10 -- BAT_CHARG.pdf