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BQ24040充电问题请教



各位好:

   想用24040既给电池充电又给负载供电,即负载与电池并联。

   现在负载测得大约在150mA左右,请问我的截至门限或者预充电电流应该如何配置?

   另外,这种情况需要进入TTDM模式吗?