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  • RE: BQ24250: Battery detection fails, preventing charging

    Hi Nathan, Referring to the flow diagram for the battery detection algorithm on page 26 of the datasheet it seems the battery is not being detected because the battery voltage seems to be changing more than expected. Although it is hard to confirm exact…

  • BQ24250: Not using a temp sensor.

    TI Thinks Resolved
    Part Number: BQ24250 Hi, We want to use a BQ24250 in an application where the Charger/Batt Gauge are separated from the battery pack for mechanical reasons. I do not have access to the temp sensor inside the battery pack when the battery is plugged in…
    • Answered

  • RE: BQ24250: Charger defaults to supplying system and does not charge LiPo battery.

    Resolved
    Hi Garrett, Thanks for getting back to me. I figured out the issue. I had mistakenly removed R15 (the onboard NTC) out of circuit which must have been causing some sort of battery detect issue? Why charging kicked in over time I'm not too sure. …

  • BQ24250: Reverse Current From Battery to Input .

    TI Thinks Resolved
    Part Number: BQ24250 Hi all, Does the BQ24250 protect against any reverse currents? Thanks Regards, Damien
    • Answered

  • BQ24250: Safety timer 2X period

    Resolved
    Part Number: BQ24250 Hi team, I've understood the default value of safety timer is not 6h but 9h by original E2E post.(Datasheet still has the typo) My customer has one question. Which period of charging is affected from 2XTMR_EN? Datasheet P29 "9…
    • Resolved
    • Answered

  • BQ27Z746: BQ27Z746; BQ24250 and BQ27Z561

    Resolved
    Part Number: BQ27Z746 Other Parts Discussed in Thread: BQ24250 , BQ27Z561 Hi TI Team, Below TI parts will be used on Flex ODM project and Our RD need 1pcs EVB&Source code for design development, Please support to have a quick check and advise when can we…
    • Resolved
    • Answered

  • RE: BQ24250: New Vdpm not taking effect when I write to the B2-B0 bits of register #5 (address 0x4)

    Resolved
    Hi Jeff, It works for me now. I forgot to enable the watch dog. It is disabled (0) by default on the BQ24250. That is why when I stopped writing to the BQ24250 registers, the external Vdpm threshold configuration did not take effect after 50 seconds…
    • Answered

  • BQ24250: BQ24250 charger & BQ27532 Fuel Gauge configuration board not charging Inquiry

    Resolved
    Part Number: BQ24250 Hi, TI expert. The customer has configured the board with the BQ24250 charger and BQ27532 Fuel Gauge, and the charging voltage (USB) is connected, but charging is not working. Below are more details. [ under ] 1. Issue: USB power…
    • Resolved

  • TPS2121: TPS2121 or alternative to select between Solar and USB supply for charging li-ion battery using BQ24250

    TI Thinks Resolved
    Part Number: TPS2121 Other Parts Discussed in Thread: BQ24250 , TPS25947 , TPS22933 I am designing a solar charger board with two inputs (Solar panel and USB). When USB cable is plugged in, the battery should charge from USB input otherwise from the Solar…
    • Answered

  • BQ24250: BQ24250 setting

    Resolved
    Part Number: BQ24250 Dear Team, How to set value in Register while charging voltage is 4.3V? Is charging voltage 4.44 V while register value is 1111 11 on bit7 to 2. Thanks Many Thanks, Jimmy
    • Resolved

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