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  • BQ24090: Which condition BQ24090 will go SHORT PROTECTION status

    Resolved
    Part Number: BQ24090 Dears, If BQ24090 will go under SHORT PROTECTION status, when Vout down to 0.8v? Because i connect BQ24090 to Boost IC start working voltage lower than 0.8v, and find BQ24090 stop working. And what means of Recovery ≥ V OUT(SC) …
    • Resolved

  • RE: BQ24090: Works with 100K on TS but not 10K

    Hi Jackson, I have been using the same PCBA and swapping just the BQ24090, so the issue is definitely with the chip and not the PCBA. Thanks

  • BQ24090: CHG pin logic

    Part Number: BQ24090 dear As for CHG pin, according to the specification, CHGpin is high level when it is not charged or fully charged, and low level when it is charged. But in fact, when the above NTC voltage is abnormal, CHG PIN outputs high…

  • BQ24090: charging TS PIN

    Part Number: BQ24090 It is found that when some products are charged, the charging value of the first 10 seconds is only half of the preset current value, and about 10 seconds later, the charging is normal. An oscilloscope was used to capture the voltage…

  • BQ24090: Charging issue

    Part Number: BQ24090 Hi team, Issue: using the BQ24090, it was found that some products were charging with only half the pre-set current value of the first 10S charging, and after about 10S charging, it became normal. Grabbed the NTC voltage value with…

  • BQ24090: Alternate Part for BQ24090

    Part Number: BQ24090 Other Parts Discussed in Thread: BQ24091 , BQ24092 , BQ24093 , BQ25170 Hi, Kindly suggest the Alternate Part's for BQ24090 (Direct Replacement) , without any modification in the design/ footprint. Thanks and Regards, Kavitha

  • BQ24090: high temperature during charging

    Part Number: BQ24090 Dear ones shalom we are using the device and in few occasions we have high temperature in the BQ24090 during charging we use ISET with 2KOhm and ISET2 is LOW PRET has 2K Ohm resistor the over temperature is during charging of empty…

  • BQ24090: charging TS PIN

    Part Number: BQ24090 dear It is found that when some products are charged, the charging value of the first 10 seconds is only half of the preset current value, and about 10 seconds later, the charging is normal. An oscilloscope was used to capture…

  • BQ24090: how to trigger BQ24090 for 10-hour safety timer.

    Part Number: BQ24090 Dear Sir/Madam, i am using the below circuit for BQ24090. IN:ADAPTOR_5V OUT: V_BAT connect to battery parallel with system load. PG, CHG connect to MCU TS connect to battery NTC and MCU CHARGE_OFF for recovery. BTW, I try to trigger…
    • Answered

  • BQ24090: Differences between BQ24090 and BQ24074 for solar charging

    Resolved
    Part Number: BQ24090 Other Parts Discussed in Thread: BQ24074 , Hello, I found that the BQ24074 is used in this Adafruit module as a solar charger: learn.adafruit.com/.../design-notes . Note that one of the main reasons they use this module is because of…
    • Resolved

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