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  • BQ25820: BQ25820 Maximum Duty Cycle

    TI Thinks Resolved
    Part Number: BQ25820 Hello, I was wondering what the practical duty cycle limit is for the BQ25820 while in buck mode charging the battery. Thankyou
    • Answered

  • BQ25820: Review of BQ25820 Charge Controller Schematic

    Resolved
    Part Number: BQ25820 BQ25820_Schematic review for E2E.pdf Hi Team Please go through the attached pdf as Schematics of BQ25820 charge controller board. The board details are as follows. Vin 8-35V Vout 29.4V Charging current 3Amp Frequiency…
    • Resolved

  • BQ25820: BQ25820 not charging

    Part Number: BQ25820 Other Parts Discussed in Thread: BQ25756 Tool/software: Hi, i have a simple design using the BQ25820 i am for the moment using this in standalone while i understand its capabilities. i have followed the data sheet and the EVK and…

  • BQ25820: BQ25820 not performing as expected.

    Part Number: BQ25820 Other Parts Discussed in Thread: BQ25756 Tool/software: Hi, i am developing a new design with the BQ25820. i have the EVK and the performance looks good. i am not using input current sensing or Vsys out just a stand alone charger…

  • BQ25820: Periodic BAT_OV

    TI Thinks Resolved
    Part Number: BQ25820 I previously didn't have enough capacitance on my design. I revised as follows: My revised design boards came back, and still occassionally get into a bad state: After looking at the design again, I see I didn't add any…

  • BQ25820: BQ25820, Reverse mode & charge mode Switch

    TI Thinks Resolved
    Part Number: BQ25820 Tool/software: Hello, I have a requirement now. For the BQ25820 chip, when it has both AC power and battery power supply. Assuming that the AC power may randomly disconnect or reconnect, at this time, the BQ25820 can switch between…
    • Answered

  • BQ25820: BQ25820EVM Design Files.

    Resolved
    Part Number: BQ25820 Hi TI Team, We are using BQ25820 in our new project. To accelerate our hardware development and ensure proper design implementation, could you please share the BQ25820EVM schematic and PCB layout files? Thank you for your support…
    • Resolved

  • BQ25820: BQ25820 minimal fully drained battery voltage for Pre-charge

    TI Thinks Resolved
    Part Number: BQ25820 Tool/software: Hi, I try to understand what is the minimal fully drain battery voltage level that can be Pre-charge with the BQ25820? and what parameter/ parameters related to this threshold in the datasheet BR Shac…

  • BQ25820: BQ25820 and BQ25820EVM- BATFET control

    TI Thinks Resolved
    Part Number: BQ25820 Tool/software: Hi, Can you please explain the usage and the difference of the: FORCE_BATFET_O FF ( REG0x19_Power_Path_and_Reverse_Mode_Control Register) and the EN_BATFET_IDEAL _DIODE and the relation between both In general…

  • BQ25820: Schematic and Layout Review Request

    TI Thinks Resolved
    Part Number: BQ25820 Hi Team, My customer is currently designing with the BQ25820 and requires a schematic and layout review. Due to confidentiality restrictions, I cannot attach the design files publicly here. Could you please send me a private message…

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