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    Answered

  • BQ27441-G1: a BQ27441 remain capacity issue

    Resolved
    Part Number: BQ27441-G1 Other Parts Discussed in Thread: BQ25890 Hi, In my system, BQ25890 is used for charging and BQ27441 is used for battery gauge. I use a 1900mAH battery. The BQ27441 init parameters are as follows: The register data from BQ27441…
    • Resolved

  • BQ27441-G1: DFFS and SREC from bqStudio

    TI Thinks Resolved
    Part Number: BQ27441-G1 Other Parts Discussed in Thread: BQSTUDIO , GPCCHEM Hello, Is it possible to get a DFFS and SREC from bqStudio for this device? If not, is there any information on how to use the gmfs file format? Thanks, Michael

  • BQ27441-G1: BQ27441-G1 VPU Recommended Max Voltage

    TI Thinks Resolved
    Part Number: BQ27441-G1 The absolute max voltage for the Vpu (SDA, SCL, & GPOUT) is 6V but the recommended is 3.6V Is it ok to pull up SDA and SCL to a LiPo 18650 cell (2.7-4.2V) even if it will go above 3.6V? Alternatively thinking of pulling up to…

  • BQ27441-G1: Calibration without PC application and external hardware

    TI Thinks Resolved
    Part Number: BQ27441-G1 I am using BQ27441-G1 in one of my product but the voltage for zero percent and for hundred percent is not as requirement. I would like to update it without any hardware. Please suggest a way, if any. Also, Please share a datasheet…

  • BQ27441-G1: Not responding to I2C address

    Part Number: BQ27441-G1 I'm running into an issue where the BQ27441 does not respond when the bus sends the address byte. I'm using 0x55 just trying to read the device type, but I get a NACK from the address byte. I've attached a picture of the logic…
    • Answered

  • BQ27441-G1: The consequences of using a battery with different Chem ID

    Resolved
    Part Number: BQ27441-G1 Other Parts Discussed in Thread: BQ25606 we are using bq27441 in our products. we are planning to use a new li-ion battery with a protection circuit attached to it. We are aware that the chem Id cannot be changed and it’s 128.…
    • Resolved

  • BQ27441-G1: Battery gauge with a fuse

    TI Thinks Resolved
    Part Number: BQ27441-G1 Hello Im using a BQ27441-G1 Battery gauge. For safety reason I had to place a fuse F600 in the path of the battery because of safety reason ordered by the notified body. This fuse with a DC Resistance of about 100mOhm now gives…
    • Answered

  • BQ27441-G1: LDO not turning on/I2C not responding

    Resolved
    Part Number: BQ27441-G1 I've integrated the BQ27441-G1 into my design, which I believe to be correct and following the recommended application. However, it does not turn the LDO on when the battery is plugged in. I'm confused as to why as I have seen…
    • Resolved

  • BQ27441-G1: Product status and alternatives for BQ27410DRZR-G1

    TI Thinks Resolved
    Part Number: BQ27441-G1 Other Parts Discussed in Thread: BQ27Z746 Hi, There were no EOL notification letters for BQ27410DRZR-G1. Q1. Am I correct in understanding that the BQ27410DRZR-G1 is EOL? Q2. If Q1 is Yes, can you please provide a recommended replacement…

  • BQ27441-G1: BQ27441 stops responding to I2C after some time

    TI Thinks Resolved
    Part Number: BQ27441-G1 Hi, I'm using BQ27441 in a product and it works initially. Some units stop responding to I2C after a couple of months. I found this thread which is similar to my situation. BQ27441-G1: Doesn`t answer on i2c - Power management…

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