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  • BQ27Z561-R2: Successful learning cycle

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO , GPCCHEM We are doing fuel gauge learning cycle. In learning cycle method firstly, do we need to do update chem I'd in BQ studio. If chem Id not available means what's the procedure…
    • Resolved

  • BQ27Z561-R2: GPCRB and accuracy test question

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: GPCRB Hi team, 1. According to the guidance on the official website, I need to collect VIT data before doing GPCRB. is there any requirement for the srec file to be used at this time? Was it…

  • BQ27Z561-R2: ID issue

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561-R1 , BQSTUDIO When using BQ27Z561-R2, ChemID # 7142 needs to be updated. We encountered a strange problem, could you please help analyze the cause? 1. Without connecting the battery…
    • Answered

  • BQ27Z561-R2: Route BAT_SNS through NU

    Resolved
    Part Number: BQ27Z561-R2 Hello, Can the BAT_SNS pin be routed through the NU pin to avoid using a microvia? Thanks, Michael
    • Resolved
    • Answered

  • BQ27Z561-R2:SDA pin does not become 0V

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 , , EV2400 BQ27Z561's SDA pin become 2V when master access 0x55 address(BQ27Z561 7bit I2C address). Why does not the SDA pin become 0V? Pullup resistor is 10kOhm at the SDA pin. …
    • Resolved
    • Answered

  • BQ27Z561-R2: There is a problem with the reaction at initial startup.

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO It seems that the startup sequence or RSOC read timing is incorrect, but I haven't found a solution yet. Ex) GoldenImage implementation product (3.2V to 4.2V) Attach a battery of…
    • Resolved

  • BQ27Z561-R2: Cycle count

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Hi Team， Suppose Cycle Count Percentage is set to 90%. If the fuel gauge is turned off by pulling down the CE pin after discharging 40% in a new counting cycle, and then pulls up the CE pin, will the accumulated discharge amount…

  • BQ27Z561-R2: BQSTUDIO ChemID database ZIP file is missing from the TI website

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Dear all, I downloaded new version FW, but new chemID database ZIP file is shown as 0KB and I actually can not find it when I go for a download. Am I missing somethin or the file is missing? Best regards, Aivaras
    • Answered

  • BQ27Z561-R2: About the connection between BAT terminal and BAT_SNS terminal

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561EVM-011 , BQ27Z561 Dear Sir. Would it be all right if BAT_SNS terminal is connected to BAT terminal direct? BAT terminal is connected to Li-ion Cell plus terminal via R1 resistor (10…
    • Resolved
    • Answered

  • BQ27Z561-R2: Current sense resistor value

    Resolved
    Part Number: BQ27Z561-R2 Dear all, BQ27Z561-R2 datasheet first page schematic presents that sense resistor can be between 1 mOHM to 10 mOHM. However in 9.4.1 Layout Guidelines it is stated that "The device is designed to support a 1-mΩ to 3-mΩ sense…
    • Resolved

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