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Showing 104 results View by: Thread Post Sort by
  • BQ25121A: BQ25121A's Timer accuracy

    masahiko hayase
    masahiko hayase
    TI Thinks Resolved
    Part Number: BQ25121A Tool/software: To whom it may concern. I want to know the Safety TIMER accuracy.(Memory location 0x0Bh TMR register) regards.
    • 1 month ago
    • Power management
    • Power management forum
  • Answered
  • BQ25121A: BQ25121A's tPREHCG parameter

    masahiko hayase
    masahiko hayase
    Resolved
    Part Number: BQ25121A Tool/software: To whom it may concern. The datasheet of "BQ25121A" includes tPREHCG parameter. Does this indicate that "BQ25121A" do precharge cycle if the VIN voltage is low? regards.
    • Resolved
    • 1 month ago
    • Power management
    • Power management forum
  • BQ25121A: Using BQ25121A with minimal parts/layout without via-in-pads

    Vasim Valeev
    Vasim Valeev
    TI Thinks Resolved
    Part Number: BQ25121A Other Parts Discussed in Thread: BQ51013B , BQ25120 Tool/software: Since my attempt to build BLE beacon with wireless charging (nRF52833 + BQ51013B + BQ25101Y) have ended with kind of fiasco (on nRF52833 side as i couldn't get it…
    • 7 months ago
    • Power management
    • Power management forum
  • Answered
  • BQ25121A: battery voltage monitor advise VBMON_TH=000?

    Nitsan Mane
    Nitsan Mane
    Resolved
    Part Number: BQ25121A Tool/software: BQ25121A is reading VBMON_TH of 000 in register Voltage Based Batter Monitor Register. In the DS table 9-23 VBMON_TH=000 does not exist. Can it be read by the host as VBMON_TH=000 in specific cases? If the Li…
    • Resolved
    • 1 month ago
    • Power management
    • Power management forum
  • BQ25121A: Part No. BQ25121AYFPT

    Tajwar Chandel
    Tajwar Chandel
    TI Thinks Resolved
    Part Number: BQ25121A Tool/software: Dear Sir, I just want to know the EOL (End-Of-Life) date of below mentioned power inductors. Part No. BQ25121AYFPT The same part number we are using in one of the FDA certified class 1 Medical device. If this…
    • 7 months ago
    • Power management
    • Power management forum
  • Answered
  • BQ25121A: BQ2512x Evaluation Board - J25 Jumper Function

    Dhruvit Bhimani
    Dhruvit Bhimani
    Resolved
    Part Number: BQ25121A Hi there, I'm a bit confused about the J25 jumper on the BQ2512x evaluation board. It seems to offer PMID-VINLS or SYS-VINLS configurations. While PMID-VINLS, I understand PMID acts as a power input when VIN is valid and the…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • BQ25121A: Device not entering into ship mode

    Divya Jyoti Pandey
    Divya Jyoti Pandey
    Resolved
    Part Number: BQ25121A Other Parts Discussed in Thread: BQ25121 , BQ25123 , BQ25120F3A We are experiencing strange behaviour regarding ship mode on BQ25121AYFPT. When we plug the battery into the system, it starts in ship mode after this when /MR presses…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • BQ25121A: SYS @1.4V

    Urs Beerli
    Urs Beerli
    TI Thinks Resolved
    Part Number: BQ25121A Other Parts Discussed in Thread: BQ25121 Hi there My current design contains a BQ25121A for battery management. After being attached to a power supply (USB) for approx. 12hrs, the BQ25121A has only 1.4V at VSYS. I could not find…
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ25121A: new version of battery management ic and wireless power receiver

    Dhruvit Bhimani
    Dhruvit Bhimani
    TI Thinks Resolved
    Part Number: BQ25121A Other Parts Discussed in Thread: BQ25155 , BQ25120A , BQ51013B , BQ51003 I'd be glad to help you with the provided thread: Hi, My application involves receiving wireless power through Qi compatibility and charging the battery…
    • over 1 year ago
    • Power management
    • Power management forum
  • BQ25121A: BQ25121A In the sleep mode powered by the battery, when awakened by MR , the chip cannot output the set 3.0V only output the default 2.5V

    Star Xu
    Star Xu
    Part Number: BQ25121A Hi The customer design with bq25121A. ①Only connect the battery, turn on normally (SYS outputs 3.0V—MCU configures it through I2C at the beginning of boot); ②MCU pulls up the CD pin (MR pin can be regarded as floating at this…
    • over 2 years ago
    • Power management
    • Power management forum
>

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