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BQ27510电量IC,有电机负载时,读数不稳问题

Other Parts Discussed in Thread: TPS55330

大家好!

   我使用BQ27510这款电量计,目前充电和无负载时,电量读数均正常,但是有电机负载的情况下,读数就变得不稳定。比如无负载时电量90%,有电机负载时电量会是84%,91%等不稳定数值,请问这是什么原因,如何解决?

   我电路是用锂电1600mA/3.7V,一路负载是两个小电机(由锂电直接供电,工作电流约500mA),另一路负由TPS55330升压到12V给无刷电机,电流约300mA。