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BQ76940 SHIP MODE功耗

Other Parts Discussed in Thread: BQ76940

BQ76940进入 SHIP MODE后,测到BQ76940的功耗还有387uA,这是什么原因

  • 您的测试方法是怎么样的?功耗还要加上cell的自放电

  • 电流表串在电池包总正给BQ76940的整个供电支路上,而且向76940发的关机指令后,用万表表可以量到REGOUT的电压已接近为0,但我的CPU也断电后,BQ76940的REGOUT又有3.2V的电压了,这是什么原因。是又退出SHIP模式了吗?不管REGOUT是有3.2V或是没有,量到的BQ76940都有300uA的电流消耗。看BQ76940的数据纸,进入SHIP后,功耗可以做到几uA,但实际情况怎么有300多uA?