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Showing 363 results View by: Thread Post Sort by
  • BQ25790: VAC OVP default value

    Yishan Chen
    Yishan Chen
    TI Thinks Resolved
    Part Number: BQ25790 Tool/software: Hi Jeff, Is their any way to adjust Vac OVP default value without I2C communication or not turn off the ACDRV when Vac ovp? Customer have a 8V input voltage and all the MCU are powered by the system. In that case…
    • 21 days ago
    • Power management
    • Power management forum
  • TPS25751: Use with BQ25790 OTG

    Hideki Hayashi1
    Hideki Hayashi1
    TI Thinks Resolved
    Part Number: TPS25751 Other Parts Discussed in Thread: BQ25790 , Tool/software: Hi team, Customer wants to use TPS25751 with BQ25790 for next gen, and they are considering to use OTG function of BQ25790. Customer has been use TPS25751+BQ25790 as below…
    • 1 day ago
    • Power management
    • Power management forum
  • BQ25790: ADC enable fail

    Yishan Chen
    Yishan Chen
    TI Thinks Resolved
    Part Number: BQ25790 Tool/software: Hi Jeff, We encounter a issue that we can't enable ADC, below is the description. When customer remove battery and use adaptor to power the charger. They will restart the initialization. When the adaptor is plug…
    • 2 months ago
    • Power management
    • Power management forum
  • BQ25790: BQ25790 doesn't detect full-charged when VCHG < VBATT

    Hideki Hayashi1
    Hideki Hayashi1
    TI Thinks Resolved
    Part Number: BQ25790 Tool/software: HI team, Under specific situation, BQ25790 doesn't work as expected. With full-capacity battery equipped with BQ25790, and plug a USB cable into the system, BQ25790 doesn't detect full-charged. Example full…
    • over 1 year ago
    • Power management
    • Power management forum
  • BQ25790: Dual BQ25790 design and general questions

    Charles (KAT) Zhang
    Charles (KAT) Zhang
    TI Thinks Resolved
    Part Number: BQ25790 Tool/software: Dear team, Lenovo tablet team is evaluating BQ25790 but have following concerns which I didn't find the D/S. 1. Does BQ25790 support dual charger design? One as primary and one as secondary to support higher input…
    • over 1 year ago
    • Power management
    • Power management forum
  • BQ25790: BQ25790 OTG function

    Haiyang Zhao
    Haiyang Zhao
    TI Thinks Resolved
    Part Number: BQ25790 Tool/software: I would like to know how to enable the OTG function without a OTG device insert? And if it can, what happens when a charger attach to Vin and the OTG is turn on at this time?
    • over 1 year ago
    • Power management
    • Power management forum
  • BQ25790: OTG Waveform question

    Yishan Chen
    Yishan Chen
    TI Thinks Resolved
    Part Number: BQ25790 Tool/software: Hi Jeff, Customer meet a issue when BQ25790 in buck mode and OTG. 6V battery to power 5V Vin. They saw the duty cycle of SW are change and finally become sawtooth wave? How we control each MOSFET during OTG Buck…
    • 5 months ago
    • Power management
    • Power management forum
  • BQ25790: 2Khz switching frequency noise in SW

    Yishan Chen
    Yishan Chen
    Part Number: BQ25790 Tool/software: Hi Jeff, When BQ25790 is negotiated to 12V in and when customer pull down CE, they found there is a 2Khz switching noise add into the SW point, this cause the audio noise, Do you have any insight on that? Please…
    • 3 months ago
    • Power management
    • Power management forum
  • BQ25790: Force IBAT discharge current

    Yishan Chen
    Yishan Chen
    TI Thinks Resolved
    Part Number: BQ25790 Tool/software: Hi Jeff, By setting the force IBAT discharge current to 1, they found the oscillation will be less when they remove battery in charging status. What is the reason here? And, what is the discharge current inside…
    • 6 months ago
    • Power management
    • Power management forum
  • BQ25790: SW1 and PMID have voltage in default mode

    Yishan Chen
    Yishan Chen
    TI Thinks Resolved
    Part Number: BQ25790 Tool/software: Hi Jeff, Why BQ25790 have 3.5V in PMID and SW1 in default mode. (Default mode means only connect battery and wait for OTG output) Thank you, Yishan Chen
    • 4 months ago
    • Power management
    • Power management forum
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