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Showing 110 results View by: Thread Post Sort by
    Answered
  • BQ25638: SYS pin voltage when /CE is High

    Dice-K
    Dice-K
    Resolved
    Part Number: BQ25638 Hi support team, When VBUS is 5V, /CE is pulled up to VBUS, and the battery voltage is 0V, what will the SYS pin voltage be? Regards, Dice-K
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • Answered
  • BQ25638: ADC state during ultra low power mode

    Joe Paolino
    Joe Paolino
    Resolved
    Part Number: BQ25638 Hello, Searching through the datasheet, I was not able to find if the ADC function is automatically disabled when transitioning from battery only normal mode to ultra low power mode (or shutdown). Is the user required to disable…
    • Resolved
    • 6 months ago
    • Power management
    • Power management forum
  • BQ25638: comparison between BQ24250 and BQ25638/BQ25638D

    Kailun Liu
    Kailun Liu
    TI Thinks Resolved
    Part Number: BQ25638 Other Parts Discussed in Thread: , BQ24250 Tool/software: Hi Team, Could you help to provide charger IC comparison table for selection between BQ24250 and BQ25638/BQ25638D? Thanks!
    • over 1 year ago
    • Power management
    • Power management forum
  • BQ25638: Current meter

    JDJ
    JDJ
    TI Thinks Resolved
    Part Number: BQ25638 Tool/software: does the charger BQ25638 separately meter the current into the battery pin and Vsys? Or can it not tell how much of the current is going to Vsys vs. VBAT?
    • 11 months ago
    • Power management
    • Power management forum
  • Answered
  • BQ25638: Unexpected charging behaviour

    Greg Smith
    Greg Smith
    Resolved
    Part Number: BQ25638 Other Parts Discussed in Thread: EV2400 Hi. I am evaluating the BQ25638 to charge a 10 Ah 4.2v single cell LiPo battery. I have the EVM and also EV2400 and Battery Management Studio. Using it, when I connect a 12V 3A power supply…
    • Resolved
    • 8 months ago
    • Power management
    • Power management forum
  • BQ25638: Could BQ25638 support ship mode?

    Yishan Chen
    Yishan Chen
    TI Thinks Resolved
    Part Number: BQ25638 Other Parts Discussed in Thread: BQ25620 Tool/software: Hi team, Could BQ25638 support ship mode like BQ25620, I haven't found the description in BQ25638 datasheet. Could you please help to check this out? Thank you, Yishan…
    • over 1 year ago
    • Power management
    • Power management forum
  • BQ25638: IQ_BAT entering condition

    Kailun Liu
    Kailun Liu
    TI Thinks Resolved
    Part Number: BQ25638 Tool/software: Hi Team, Customer would like to further reduce the power consumption. Do they need to intentionally set some register to achieve below quiescent current? Like turn off ADC.
    • 11 months ago
    • Power management
    • Power management forum
  • BQ25638: Hi-Z mode internal resistance does not aligned with TRM

    Kailun Liu
    Kailun Liu
    TI Thinks Resolved
    Part Number: BQ25638 Other Parts Discussed in Thread: BQ24250 Hi Team, This is BQ25638 Hi-Z mode resistance error that I would like to check with you: Symptom: On the left side of R341, we're seeing a voltage of 3.3V. The SW is configured to disable…
    • 4 months ago
    • Power management
    • Power management forum
  • BQ25638: Layout Guidelines of BQ25638.

    Akhil Prakash
    Akhil Prakash
    TI Thinks Resolved
    Part Number: BQ25638 Tool/software: Hi Team, Can you please provide the detailed Layout Guidelines of BQ25638YBGR.
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS25751: TPS25751 with BQ25638 for 1S sink-only USB-C charger with moisture detection

    Samuel Koffi Anker
    Samuel Koffi Anker
    TI Thinks Resolved
    Part Number: TPS25751 Other Parts Discussed in Thread: BQ25638 , , BQ25630 We are designing a 1-cell Li-ion/Li-polymer product that only needs to sink power over USB-C for charging . The product will never source power over USB-C . Our main priorities…
    • 3 months ago
    • Power management
    • Power management forum
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