Search tips
Showing 286 results View by: Thread Post Sort by

  • 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…

  • 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…

  • BQ25730: BQ25730 USB-C Charging

    TI Thinks Resolved
    Part Number: BQ25730 Tool/software: When charging, is the Voltage to the system adjustable? For instance if the voltage in is 12V can the Voltage to power the system be set to 3.7V?
    • 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: 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

  • 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…
    • 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

  • BQ25730: Unable to limit Charge current

    Part Number: BQ25730 Tool/software: Dear sir, In the BQ25730 IC Current limit set in charge current register is not reflecting during battery charge and it's charging with around 3 Amps. May we know what could be the reason for this sudden abnormal behaviour…

  • BQ25730: Application Consultation

    TI Thinks Resolved
    Part Number: BQ25730 Tool/software: Hi, I have shared this link to customer and pls help with it. Thank you! BR, Zach **************************************** Below are past records: My customer is using BQ25730 and has some questions to ask. Could…

Didn't find what you are looking for? Post a new question.