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BQ25101: BQ25101- support

Part Number: BQ25101

Hi,

my customer use the TI BQ25101 IC like shown below (300mAH Li-Po battery):

 

He have some questions:

  1. When connecting the circuit to Vbus for charging the battery, they see 100mA current consumption on Vbus.
    The circuit is getting hot.
    The same current of 100mA is being consumed even if they are disconnecting the battery
  2. In another circuit, they see 18.3mA current consumption of the charging chip from the battery.
     they disconnected all the circuit including Vbus (no charging) and the only connection is to the output of the BQ25101….

someone could explane what can cause this kind of behaviors?

thank you,

shahaf.