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  • BQ24155: Design review

    Resolved
    Part Number: BQ24155 BQ24155RGYR is used to charge a 500mAh Li-po battery. Since this is our latest design we would like to hear from you before sending it to fabrication. Those green colored lines are bottom layer traces connected through vias. Please…
    • Resolved
    • Answered

  • BQ24155: Battery Management Studio support

    Resolved
    Part Number: BQ24155 Other Parts Discussed in Thread: EV2400 , Hello guys! We have TI's EV2400 and we are using BQ24155 charger IC in our design. I've searched if BQ24155 is supported by Battery Management Studio but I couldn't find any info on that…
    • Resolved

  • BQ24155: Power up with battery in lockup/protection

    TI Thinks Resolved
    Part Number: BQ24155 I am coming to you with quite an urgent question that I hope that you can help me answer. We recently learned that our battery and the BQ24155 do not quite get along. Problem is this: Battery locks up due to short circuit…
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  • BQ24155: Reduce battery discharge current when VBUS is disconnected

    Resolved
    Part Number: BQ24155 Hi, According to the datasheet, battery discharge current in high impedance mode could be up to 20uA. My goal is to reduce this current to less than 1uA. I don't need charger functionality at high impedance mode, so it would…
    • Resolved

  • BQ24155: bq24155 will this part supply power to the load when the battery is disconnected?

    TI Thinks Resolved
    Part Number: BQ24155 Other Parts Discussed in Thread: BQ25606 bq24155 will this part supply power to the load when the battery is disconnected? Thanks.
    • Answered

  • BQ24155: Absolute Maximum Input Voltage Rating vs Maximum Operating Input Voltage

    Resolved
    Part Number: BQ24155 Other Parts Discussed in Thread: BQ24210 , BQ24250 20-V Absolute Maximum Input Voltage Rating 6-V Maximum Operating Input Voltage What is the difference between these spec's ? Can I charge a Li-po battery from a 7V solar…
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  • BQ24155: Is it possible to use 3.3V for I2C Voltage.

    Resolved
    Part Number: BQ24155 Dear Specialists, My customer is considering BQ24155 and has a question. I would be grateful if you could advise. --- I would like to use 3.3V for I2C(SCL, SDA) Voltage. In the meantime, test condition of electrical specification…
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    • Answered

  • BQ24155: Charger input VBUS gets lifted to +6V when removed from power supply

    Resolved
    Part Number: BQ24155 Hi, We have noticed that sometimes when the charger is finished with charging and we remove the device from the power supply. The VBUS input voltage (instead of dropping to 0V as normally happens) rises to +6V It only seems to…
    • Resolved

  • RE: BQ24155: Charger IC hang I2C bus

    Thank you, I'll check and try to decrease noise and see if it help. But I am confused with how noise can leads charger into the state when it does not react on SCL pulses.

  • RE: BQ24158: failure analysis

    Hi Victor, I am not aware of a known issue related to this particular device's structural integrity. All WCSP packaged ICs are somewhat fragile. If FA is desired, then you or the customer can submit through the normal TI return process on the TI website…

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