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  • RE: BQ77915: BQ77915 High-side charge implementation

    Hi sourav, Good to see that you have implemented high side switching for bQ77915

  • RE: BQ77915: BQ77915 Stops Charging Batteries Before 100% (Possible OV Protection Triggered)

    Hello 3fti, If OV happens ,then the CHG FET will turn off and charging is not possible at any point. So you should not be able to charge in that case. The part has a comparator that checks if there is current flowing. If CHG is OFF, and a discharge current…
    • Answered

  • BQ77915: BQ24105 + BQ77915 issue

    Resolved
    Part Number: BQ77915 Other Parts Discussed in Thread: BQ24105 Tool/software: Hi, I’m having a problem with the BQ77915 and the BQ24105 charger. When the batteries are fully discharged, the system won’t start charging again. The output of…
    • Resolved

  • BQ77915: Regarding pack output

    Part Number: BQ77915 Tool/software: Hi, Greetings of the day. i have used bq77915 ic for BMS 12V, 45A application. the issue currently i'm facing is : 1. across the pack + and pack - the battery voltage is appearing in NO load condition and charge…

  • BQ77915: yes

    TI Thinks Resolved
    Part Number: BQ77915 Tool/software: hi i am using IC BQ77915 4S/15A BMS design so all test is done but i am stuck in short circuit protection there is not accruing short circuit remains mosfet is turn on during short circuit condition how off mosfet…
    • Answered

  • BQ77915 OCD and CUV recovery issue

    Resolved
    Part Number: BQ77915 Tool/software: Dear TI team, We have designed 4S and 3S PCMs for Li-Ion battery packs and are facing an issue where the OCD does not recover when the load is released unless we charge the pack. Additionally, we have found that the…
    • Resolved

  • BQ77915: 00

    TI Thinks Resolved
    Part Number: BQ77915 Tool/software: Hi, As per BQ77915 Datasheet undervoltage is 1.2V - 3V. So which number IC has 1.2V undervoltage cut-off. Also said Undervoltage is programmable. How to program it? Please clarify on this. Thanks, Jaya Prasad
    • Answered

  • BQ77915: No load removal in stacked config

    Resolved
    Part Number: BQ77915 Tool/software: Hello I don't want to use load removal / load detection, I have a 13S battery config (so 3 chips stacked). I read the datasheet (also load removal / load detection topic), but it is unclear for me what I need…
    • Resolved

  • BQ77915: MOQ for New UV and OV values?

    TI Thinks Resolved
    Part Number: BQ77915 Tool/software: What is the Minimum Order Quantity for a device programmed with a value that isn't currently available? For example, I'd like one with programmed with an UV of 2.3 and OV of 3.8 for a LiFePO4 application. The…

  • RE: BQ77915: The problem of the overcurrent discharge blocking function of the bq77915 not working.

    hello Luis I'm sure other users will have situations where they connect batteries in parallel with PCMs designed with the bq77915. I think that could cause fatal problems. I really like the functionality of the bq77915. I wish there is an additional…

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