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  • BQ40Z50: BQ40Z50: Ship mode

    TI Thinks Resolved
    Part Number: BQ40Z50 Other Parts Discussed in Thread: BQSTUDIO Hi The customer design with BQ40Z50, t he ship mode function is enable and set the time is 64800. Most batteries will enter automatically, but a small part will not. The time is adjusted to…
    • Answered

  • BQ40Z50-R2: BQ40Z50-R2 Sch Review

    Resolved
    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQ25798 , BQ40Z50 Hi team, I am working on a project uses a 4S Li-ion battery which has 4 cells in series. Only the positive terminal of the fourth cell and the negative terminal of the first cell are…
    • Resolved

  • BQ40Z50-R1: BQ40Z50-R1 RSOC incorrect issue

    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Hi The customer test with BQ40Z50-R1, the problem is a fter discharging from 68% to 8% and manually stopping it, let it sit for a while and the SOC will rise back to 9%. The CHEM ID is selected and full learning. Attached the gg…

  • BQ40Z50-R1: BQ40Z50-R1 srec programming issue

    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: BQ40Z50 , BQSTUDIO , BQ9004 Hi The customer u ses the following code to programming the .srec to Gauge: from DriveBqBoxClass import BqDrive from ctypes import * import sys from time import sleep import os def …
    • Answered

  • BQ40Z50: BQ40Z50 cell voltage abnormal

    Resolved
    Part Number: BQ40Z50 Other Parts Discussed in Thread: BQ2980 Hi The customer design with 4 lithium batteries 4V two series and two parallel, t he measurement phenomenon is that the voltage of VC1 is only 1.1v, and the voltage of VC2 is normal and shows 4v…
    • Resolved

  • RE: BQ40Z50: About BQ40Z50-R5 balance problem

    Hi Sunrain, R5 is the latest firmware and it should have the cell balancing feature during Sleep mode. Can you please share a log file from BQStudio that shows this behavior? Please also attach your configuration file (gg.csv) Regards, Jose Couso
    • Answered

  • BQ40Z50: BQ40z50 RA table Flash block reads

    Resolved
    Part Number: BQ40Z50 Other Parts Discussed in Thread: BQSTUDIO Hi BQ40Z50 R4 I have being trying to read RA table impedance values from the BQ flash using a microcontroller and SMBUS If I read from R_a0 address 0x4140 it returns the correct impedance…
    • Resolved
    • Answered

  • BQ40Z50-R2: BQ40Z50-R3 , Short circuit in discharge , Permanent Fail

    Resolved
    Part Number: BQ40Z50-R2 Hi I am using BQ40Z50-R3. I am trying to use short circuit protection for my battery. If short circuit is detected I wanted to try to recover it first but if it fails to recover , set Permanent Fail flag ASCD and shout down or stop…
    • Resolved

  • BQ40Z50-R2: bq40z50-R2 and EV2400 clock line low

    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQSTUDIO , , EV2400 , BQ40Z50 Dear TI, I have a design that uses the bq40z50-R2. It has been working fine but suddenly we are seeing packs not auto detect with the EV2400 and bqStudio. I'm noticing that…

  • BQ40Z50: BQ40Z50-R3: Remaining capacity addresses or commands

    Part Number: BQ40Z50 Other Parts Discussed in Thread: BQSTUDIO I have a customer testing requirement here, which requires reading the value changes of capacity before and after the protection action. My problem now is that I cannot find multiple capacity…

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