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Showing 77 results View by: Thread Post Sort by
    Answered
  • BQ24157: BQ24157: BQ24157 VBUS still have 4.2V sometimes after unplugging 5V USB or AC adapter

    carrot battery
    carrot battery
    Resolved
    Part Number: BQ24157 Tool/software: VBUS on BQ24157 remains at 4.2V even after removing 5V USB AC adapter. 4.2V remains stable for a period of time that varies depending on PCB assembly, from 10ms to over 6 hours. When USB connector is removed 4.2V is…
    • Resolved
    • 10 months ago
    • Power management
    • Power management forum
  • Answered
  • BQ24157: BQ24157

    Yan Pui Chan
    Yan Pui Chan
    Resolved
    Part Number: BQ24157 Hi, We have one product that uses the TI charging IC – BQ2415YYFFR and having issues with passing the EMI (RE) certification test. We tested different configurations and found that moving the RC filter (C5 and R5) before the inductor…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • BQ24157: Operation when VBUS and VBAT voltages are approximately equal

    Masashi Mineda
    Masashi Mineda
    Resolved
    Part Number: BQ24157 Other Parts Discussed in Thread: TPS65200 Tool/software: Dear Sirs and Madams, We are using BQ24157 in the following general configuration. When the BQ24157 is charging the battery, and the AC adapter is unplugged, it appears…
    • Resolved
    • 10 months ago
    • Power management
    • Power management forum
  • BQ24157: BQ24157 does not charge below 3V

    gl chen
    gl chen
    Part Number: BQ24157 Hello, technical staff of TI I have using BQ24157, b ut I found that when the battery voltage is below 3V, the BQ24157 does not work properly. I read the specification that when the battery voltage is lower than Vshort, there…
    • over 4 years ago
    • Power management
    • Power management forum
  • BQ24157: BQ24157 fault code description

    ATL_ENG_EE_VC
    ATL_ENG_EE_VC
    TI Thinks Resolved
    Part Number: BQ24157 Hi, We are using the BQ24157SOC in our charger product. I see some unseal behavior like once battery is full and if I re-insert the battery then I intermediately get the fault code #4. It seems fault code 4 means OUTPUTOVP, is that…
    • over 4 years ago
    • Power management
    • Power management forum
  • BQ24157: Any IC = BQ24157 + Powerpath?

    Brian Huang
    Brian Huang
    TI Thinks Resolved
    Part Number: BQ24157 Other Parts Discussed in Thread: BQ25619 , BQ25618 , BQ25611D Dear TI engineers, Does TI has IC similar to BQ24157 but with powerpath function? CC 100mA System supply current 2-3A (Battery: 180mAH on TWS wireless Bluetooth…
    • over 4 years ago
    • Power management
    • Power management forum
  • BQ24157: Driver code for BQ24157

    Allen Gao
    Allen Gao
    TI Thinks Resolved
    Part Number: BQ24157 Hi team, Dose TI have driver code suit for BQ24157?
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ24157: BQ24157: Does not automatically enter into High-Z mode

    Abbas Mehdi
    Abbas Mehdi
    Resolved
    Part Number: BQ24157 Hi. We are performing some tests on the BQ24157, and observed that, contrary to the datasheet, it does not automatically enter into high impedance mode upon VBUS<VUVLO, rather continuously reports a fault for the same (011-Bad…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ24157: bq24157 low charge

    Hollis Liu
    Hollis Liu
    Resolved
    Part Number: BQ24157 Other Parts Discussed in Thread: BQ25100 Hi Team, Can i know how to use low charge mode of BQ24157? What scenario we will use low charge mode in? What's the recommended setup to limit the max charge current to be 160mA? Thanks…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • BQ24157: Register 0x06 cannot be written

    Lumina Gui
    Lumina Gui
    TI Thinks Resolved
    Part Number: BQ24157 Hi TI Team, Our customer using BQ24157 on their new project and encountered a problem that register 0x06 cannot be written. From the datasheet we learned that the 0x06 register can be written only after reset, and it was locked…
    • over 3 years ago
    • Power management
    • Power management forum
>

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