Search tips
Showing 187 results View by: Thread Post Sort by

  • BQ25180: Switching from V_USB to V_BAT

    Part Number: BQ25180 Tool/software: We are using a battery charger from TI (BQ25180YBGR) in a project. I have now carried out the design check of our board and I have noticed something in the voltage curve of the battery charger that I cannot explain…
    • Answered

  • BQ25180: Waking up from ship mode by pushbutton sometimes does not work

    Resolved
    Part Number: BQ25180 Tool/software: Our battery powered device (charging with USB) contains a BQ25180. The device can shut itself down by sending the command for ship mode to the BQ25180 which then shuts down everything else. Wake-up is done by pushbutton…
    • Resolved

  • BQ25180: Inquiry about BQ25180 Charger IC - Battery Voltage Range and Under Voltage Indication

    TI Thinks Resolved
    Part Number: BQ25180 Other Parts Discussed in Thread: BQ25150 Texas Instrument Support Team, I am currently working with the BQ25180 charger IC for a battery-operated remote wireless switch. However, I have encountered some concerns regarding the battery…

  • BQ25180: Each operating modes

    TI Thinks Resolved
    Part Number: BQ25180 Hi experts, I have some questions about the operation mode of "BQ25180". There are four operating modes: CHARGE/ADAPTER MODE, BATTERY MODE, SHIP MODE, and SHUTDOWN MODE. ・Could you please tell me the status of IN, Battery, and…

  • BQ25180: I2C not active when operating in Adapter Mode

    Part Number: BQ25180 Tool/software: Hi, We have noticed that on occasion when VIN is applied without a battery being present, the device (via I2C) is unresponsive. There is no activity on the TS/MR. Its like the device is in ship or shutdown mode with…
    • Answered

  • BQ25180: Interrupt on charge state changes

    Resolved
    Part Number: BQ25180 Hi, I'm writing a driver for BQ25180, but I'm not getting interrupts as expected. Here's what I'm doing: Set CHARGECTRL1 to 0x50 (don't mask any interrupts) Connect charger On interrupt, read STAT0 register Determine…
    • Resolved

  • BQ25180: What will the charging status be after precharge safety timer expires

    TI Thinks Resolved
    Part Number: BQ25180 Tool/software: Hello, If a overly discharged battery is connected (VBAT<VBATSC), my understanding is that the device will charge the battery at the rate of IBATSC for up to VLOWV. During this time, my understanding is that the CHG_STAT…
    • Answered

  • BQ25180: bq25180- IQ_BAT

    Resolved
    Part Number: BQ25180 Hi ti team, Customer measured IQ_BAT with VBUS present on bq25180, the test result as below:IQ_BAT is ~16uA @ VBUS 5V VBAT4.2V, Is this reasonable?
    • Resolved

  • BQ25180: Recharging supercap

    Part Number: BQ25180 Hello, We're trying to use the Bq25180 to recharge a 3.3v 0.07F supercap. At the moment, it's possible to communicate well with the chip, so the interface is well established. For the default register values, the chip doesn…

  • BQ25180: Vts thresholds

    TI Thinks Resolved
    Part Number: BQ25180 Other Parts Discussed in Thread: BQ25185 , Hi, I am currently using the BQ25185 linear battery charger. I have a question regarding the datasheet, I don't understand this part: "To satisfy the JEITA requirements, four temperature…

Didn't find what you are looking for? Post a new question.