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  • BQ25730: BQ25730 buck mode operation question

    TI Thinks Resolved
    Part Number: BQ25730 Tool/software: Hi Team, Our customer ask that if use BQ25730, and they only need buck mode operation, can make BQ25730 Q3 open and directly short Q4? Thanks
    • Answered

  • BQ25730: Does input current include system current?

    Resolved
    Part Number: BQ25730 Tool/software: I'm working on a board that's intended to be a scaled-up version of a product I've already designed. Unfortunately, the scaled-up version has a lot more peripherals and a more powerful CPU, so it requires 17A max as…
    • Resolved

  • RE: BQ25730: BQ25730

    Thanks for the suggestion sir... Also earlier I started a thread for communication issues with BQ25730 for which your suggestion were included in our re-layout and the problem is eliminated. Once again thanks for ur suggestions.

  • BQ25730: Power cycling with VBUS present

    Part Number: BQ25730 Tool/software: Is there a way to power cycle a system powered by the VSYS output while VBUS is present? I have a physical switch to trigger the power cycle but unless I'm mistaken cutting off power to the processor and removing its…
    • Answered

  • BQ25730: Dead time at switching frequency

    Resolved
    Part Number: BQ25730 Tool/software: Dear Sirs and Madams, Could you tell us about the switching frequency and dead time of the BQ25730? In order to select a FET, I need to know how much dead time it has at 800kHz and 400kHz as listed on the datasheet…
    • Resolved
    • Answered

  • RE: BQ25730: The *BATDRV pin does not transition to 'L'

    Resolved
    Hello Tiger, I apologize for the late reply. When we verified the operation, we found an issue where the bottom FET on the Boost side could not be fully turned on. We confirmed that changing the bottom FET improved operation. Thank you for your advice…

  • BQ25730: BQ25730: Not powering ON

    TI Thinks Resolved
    Part Number: BQ25730 Tool/software: Dear Team, We are using BQ25730 for a Medical device. 19V is my VBUS and 4S Li-Ion Battery pack has been configured for the device Unfortunately BQ25730 is not waking up from both VBUS and VBAT. I have personally verified…
    • Answered

  • RE: BQ25730: After the BQ25730 was powered off for 8 seconds, when a voltage of 22.8V was input again, the chip did not output.

    Resolved
    Hi christian moyer： Because the minimum operating voltage of DC-DC is 4.5V, the system has not started and the register cannot be read. When the system is not using batteries, unplug the AC power supply of the power board. Due to the energy storage of…

  • BQ25730: example code

    TI Thinks Resolved
    Part Number: BQ25730 Tool/software: hi team, do we have example code of this chip? my customer wants this to accelerate the development.
    • Answered

  • BQ25730: Register for checking VSYS voltage level & charging current while charging (real time)

    Resolved
    Part Number: BQ25730 Tool/software: Hello team, My customer is currently reviewing BQ25730 for their robot vacuum cleaner project. I had a few questions from them regarding register map, could you please share your feedback on below inquiries? Which…
    • Resolved

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