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  • BQ25720: CHRG_OK oscillation

    TI Thinks Resolved
    Part Number: BQ25720 HI team, my customer finds its CHRG_OK signal keep high and low constantly they checked 0x20 fault register, but nothing trigger. something is not right, is there a direction for us?
    • Answered

  • BQ25720: input cap value question

    Resolved
    Part Number: BQ25720 Hi team, I have two quick question about input cap value, 1.why do we need to add extra one POSCAP for high power instead of extra MLCC? 2.what would happen if we have insufficient cap value here, only large input voltage ripple…
    • Resolved

  • BQ25720: BQ25720 high current pulse on VBUS, and VSYS drop

    Part Number: BQ25720 Hi The customer design with BQ25720, CELL_ BATPRESZ is set 2 batteries. The device is not connected to the battery and only powered by VBUS. They use default parameters. VBUS_IN connect 3.5V(current limit 4A), power on the system, there…
    • Answered

  • BQ25720: 180W reference design

    Resolved
    Part Number: BQ25720 Hi team, do we have MOS and inductor suggestion on180W design? if there's a reference design, it will be better.
    • Resolved
    • Answered

  • RE: BQ25720: disable input current limit

    Resolved
    hey man , appreciate a lot.

  • BQ25720: BQ25758 schedule and VBUS_LV circuit

    TI Thinks Resolved
    Part Number: BQ25720 Other Parts Discussed in Thread: BQ25758 Hi There are two questions from customer about BQ25758 EPR power, I will send you detail via mail. Can you help to provide the schedule of BQ25758 A2 ? Is there any update about VBUS_LV circuit…
    • Answered

  • BQ25720: BQ25758 Bypass Mode

    Resolved
    Part Number: BQ25720 Other Parts Discussed in Thread: BQ25758 Hi My customer ask me, BQ25758 SW1 turns off every 40mS at bypass mode, is this normal? The waveform as below
    • Resolved
    • Answered

  • BQ25720: input/output cap for 130W design

    Resolved
    Part Number: BQ25720 Hi team, datasheet specify 9x10uF MLCC+2x22uF POCSCAP for output cap, customer now use 9x10uF MLCC+ 1x15uF POSCAP, is this ok? is the additional 22uFx2 POSCAP necessary ?
    • Resolved

  • BQ25720: COMPIN trigger PROCHOT

    Part Number: BQ25720 Hi team, customer report COMPOUT and PROCHOT are low, I know because COMPIN is 3.3V>1.2V threshold, so i try to short it as 0V. but when I short the PR4437 during the middle of operation, the prochot wasn't back to high…

  • BQ25720: BQ25721 power saving

    TI Thinks Resolved
    Part Number: BQ25720 Other Parts Discussed in Thread: BQ25721 Hi Does BQ25721 have any power saving function that we can setup on AC only condition? Also how much eff do you think is reasonable? They want to increase the light load efficiency. condition…

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