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  • BQ2972: BQ29728DSER

    TI Thinks Resolved
    Part Number: BQ2972 Other Parts Discussed in Thread: BQ76905 Dear Sir, This is to inform you that, we are designing the sensors measurement board with battery pack supply, We have a requirement of Battery Pack Monitoring and Protection IC to sensor board…
    • Answered

  • BQ2972: protection IC without the need charge or short the source pins of the MOSFETs for initial use?

    Resolved
    Part Number: BQ2972 Tool/software: Hi Team, my customer is looking for a battery protection IC for a 1-cell 18650 battery with the following specifications? Overvoltage: 4.2~4.4V Undervoltage: 2.75~3V Overcurrent: 2~3A He prefers having a solution which…
    • Resolved
    • Answered

  • BQ2972: spice model

    Resolved
    Part Number: BQ2972 Hi Team, I am looking for a spice model of the BQ29728DSER. Could you please share it! Thank you! BR, Stefan
    • Resolved
    • Answered

  • BQ2972: Will the designed max charge and discharge current change as the battery voltage changes?

    Resolved
    Part Number: BQ2972 Good morning, I see that the BQ2972 device makes use of the Rds(on) of the two external FETs. The Rds(on) of these FETs will be dependent on the Vgs on the FET. It seems that, from the datasheet, the FET high output does not stay constant…
    • Resolved

  • BQ2972: Dead battery charging not happening

    Part Number: BQ2972 Hi TI team, Im using BQ29729 part for my battery protection. The problem im facing is once the battery is fully drained, this protection circuit not allowing battery to charge again. Until i make short between V- to Vss system not…
    • Answered

  • BQ2972: Can I use a series resistance to adjust the RDS value of the MOSFET

    Resolved
    Part Number: BQ2972 Other Parts Discussed in Thread: CSD16406Q3 Dear team, I have used BQ29728DESR IC in my sensor circuit. It is used to protect a 3.7V 500mAh LiPo battery. My charge current is less than 250 mA. I am using two CSD16406Q3 charge MOSFETs…
    • Resolved

  • BQ2972: My circuit not triggering properly while charging

    Part Number: BQ2972 Hi TI expert, Im working on this BQ29729DSET IC. Sometime my circuit not triggering the COUT and DOUT pin. Not sure it because of the FET selection. My requirement is 200mA charging current and 1A max discharging current. So i selected…

  • BQ2972: Can't get the protection circuit switch on

    TI Thinks Resolved
    Part Number: BQ2972 Hello, I have developed an electronic board which uses a 18650 battery as power supply, in order to have a protection the TI BQ2972DSER circuit was used. The schematic was pretty straight forward(found in the typical applications…
    • Answered

  • BQ2972: bq29723 SCP recovery timer

    Resolved
    Part Number: BQ2972 Hi expert, My customer wants to know if SCP has recovery time for bq29723. Could you kindly help to confirm it? Thanks a lot!! Best regards, Ann Lien
    • Resolved

  • BQ2972: Nominal battery charge current

    TI Thinks Resolved
    Part Number: BQ2972 Hello, Kindly provide the nominal battery charge current value. Max. charge current is mentioned as 4.5A, but not the nominal value. Thank you.

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