• State
  • Locked Locked
  • Replies 1 reply
  • Subscribers 63 subscribers
  • Views 328 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

BQ24073 malfunctioning without battery connected

Paolo Sanviti
Prodigy 10 points
Other Parts Discussed in Thread: BQ24073

Hi,


in a new design i use the BQ24073 power manager to supply a 3.3 V LDO (TPS77633D)  and when the battery is disconnected a load of 60 mA is enough to put in c.c. the output of the LDO. The power good pin of LDO lows to 0 but the power good of BQ24073 remains high. When the Li-Ion battery is connected to the TPS77633D the circuit seems working good.

Thanks for your help.

  • 0
    TI__Guru**** 166986 points

    If the TPS77633D is connected to the OUT pin of the bq24073 and the power supply for the bq24073 is configured to provide at least the minimum input current limit (200mA) per the resistor on the ILIM pin, then it should work.