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BQ34Z100EVM: IC is not allowing to access the dataflash memory

Shreyas Shroff
Prodigy 80 points
Part Number: BQ34Z100EVM
Other Parts Discussed in Thread: BQ34Z100-G1, BQ34Z100
1. IC is not allowing to access the dataflash memory. Even after sending the command of clearing SS flag of control status register. This flag automatically gets set on next instant making it back to seal mode.
2. IC parameters such as SOC, SOH, MaxError, are zero always. However, it is  communicating the voltage and temperature correctly.
3. On the BQ's TI application(Battery Management Studio .exe) the same behavior is observed were I was unable to read the dataflash parameters and also received the SOC, SOH many other parameters as 0 or 65535 except voltage and current of which the readings were normal.
  • 0 in reply to Shreyas Shroff
    TI__Guru 52115 points

    Have you tried a BQ34z100EVM yet? Have you seen the same issue on the EVM?

  • 0 in reply to Andy Liu (BMS)
    Prodigy 80 points

    I have only TI Evaluation board of BQ34Z100-G1 .  I am working on it since 2 months but, this issue I faces last week were I am unable to flash the memory, i.e it is going automatically from unseal to seal mode and parameter such as SOC, Max error is zero.

  • 0 in reply to Andy Liu (BMS)
    Prodigy 80 points

    Please find the attachment of log and error file. I have renamed the file added .txt to upload.

    Fullscreen IssueBQ34Z100.log.err.txt Download 
    Mon Feb 03 10:23:24 CET 2020

Time,LogCaption,Error Code,Error String
2020-02-03 10:23:24,FullChgCap,6,Timeout or unexpected response communicating with device.2020-02-03 10:23:24,Voltage,772,No acknowledge from device.2020-02-03 10:23:24,Current,772,No acknowledge from device.2020-02-03 10:23:24,AvgCurrent,772,No acknowledge from device.2020-02-03 10:23:24,Temperature,772,No acknowledge from device.2020-02-03 10:23:24,AverageTimeToEmpty,772,No acknowledge from device.2020-02-03 10:23:24,AverageTimeToFull,772,No acknowledge from device.2020-02-03 10:23:24,AvailableEnergy,772,No acknowledge from device.2020-02-03 10:23:24,AveragePower,772,No acknowledge from device.2020-02-03 10:23:24,InternalTemperature,772,No acknowledge from device.2020-02-03 10:23:24,CycleCnt,772,No acknowledge from device.2020-02-03 10:23:24,StateofHealth,772,No acknowledge from device.2020-02-03 10:23:24,ChargeVoltage,772,No acknowledge from device.2020-02-03 10:23:24,ChargeCurrent,772,No acknowledge from device.2020-02-03 10:23:24,PackConfig,772,No acknowledge from device.2020-02-03 10:23:24,Flags,772,No acknowledge from device.2020-02-03 10:23:24,Flags B,772,No acknowledge from device.2020-02-03 10:23:24,GridNumber,772,No acknowledge from device.2020-02-03 10:23:24,LearnedStatus,772,No acknowledge from device.2020-02-03 10:23:24,DoDatEOC,772,No acknowledge from device.2020-02-03 10:23:24,Qstart,772,No acknowledge from device.2020-02-03 10:23:24,TrueRC,772,No acknowledge from device.2020-02-03 10:23:24,TrueFCC,772,No acknowledge from device.2020-02-03 10:23:24,StateTime,772,No acknowledge from device.2020-02-03 10:23:24,DOD0PassedQ,772,No acknowledge from device.2020-02-03 10:23:24,DOD0Time,772,No acknowledge from device.2020-02-03 10:23:24,DOD0,772,No acknowledge from device.2020-02-03 10:23:24,QmaxDOD0,772,No acknowledge from device.2020-02-03 10:23:24,QmaxPassedQ,772,No acknowledge from device.2020-02-03 10:23:24,QmaxTime,772,No acknowledge from device.2020-02-03 10:23:34,Control,6,Timeout or unexpected response communicating with device.2020-02-03 10:23:34,CtrlStatus,6,Timeout or unexpected response communicating with device.2020-02-03 10:23:34,StateofCharge,772,No acknowledge from device.2020-02-03 10:23:34,MaxError,772,No acknowledge from device.2020-02-03 10:23:34,RemCap,772,No acknowledge from device.2020-02-03 10:23:34,FullChgCap,772,No acknowledge from device.2020-02-03 10:23:34,Voltage,772,No acknowledge from device.2020-02-03 10:23:34,Current,772,No acknowledge from device.2020-02-03 10:23:34,AvgCurrent,772,No acknowledge from device.2020-02-03 10:23:34,Temperature,772,No acknowledge from device.2020-02-03 10:23:34,AverageTimeToEmpty,772,No acknowledge from device.2020-02-03 10:23:34,AverageTimeToFull,772,No acknowledge from device.2020-02-03 10:23:34,AvailableEnergy,772,No acknowledge from device.2020-02-03 10:23:34,AveragePower,772,No acknowledge from device.2020-02-03 10:23:34,InternalTemperature,772,No acknowledge from device.2020-02-03 10:23:34,CycleCnt,772,No acknowledge from device.2020-02-03 10:23:34,StateofHealth,772,No acknowledge from device.2020-02-03 10:23:34,ChargeVoltage,772,No acknowledge from device.2020-02-03 10:23:34,ChargeCurrent,772,No acknowledge from device.2020-02-03 10:23:34,PackConfig,772,No acknowledge from device.2020-02-03 10:23:34,Flags,772,No acknowledge from device.2020-02-03 10:23:34,Flags B,772,No acknowledge from device.2020-02-03 10:23:34,GridNumber,772,No acknowledge from device.2020-02-03 10:23:34,LearnedStatus,772,No acknowledge from device.2020-02-03 10:23:34,DoDatEOC,772,No acknowledge from device.2020-02-03 10:23:34,Qstart,772,No acknowledge from device.2020-02-03 10:23:34,TrueRC,772,No acknowledge from device.2020-02-03 10:23:34,TrueFCC,772,No acknowledge from device.2020-02-03 10:23:34,StateTime,772,No acknowledge from device.2020-02-03 10:23:34,DOD0PassedQ,772,No acknowledge from device.2020-02-03 10:23:34,DOD0Time,772,No acknowledge from device.2020-02-03 10:23:34,DOD0,772,No acknowledge from device.2020-02-03 10:23:34,QmaxDOD0,772,No acknowledge from device.2020-02-03 10:23:34,QmaxPassedQ,772,No acknowledge from device.2020-02-03 10:23:34,QmaxTime,772,No acknowledge from device.2020-02-03 10:23:40,AvgCurrent,6,Timeout or unexpected response communicating with device.2020-02-03 10:23:40,Temperature,772,No acknowledge from device.2020-02-03 10:23:40,AverageTimeToEmpty,772,No acknowledge from device.2020-02-03 10:23:40,AverageTimeToFull,772,No acknowledge from device.2020-02-03 10:23:40,AvailableEnergy,772,No acknowledge from device.2020-02-03 10:23:40,AveragePower,772,No acknowledge from device.2020-02-03 10:23:40,InternalTemperature,772,No acknowledge from device.2020-02-03 10:23:40,CycleCnt,772,No acknowledge from device.2020-02-03 10:23:40,StateofHealth,772,No acknowledge from device.2020-02-03 10:23:40,ChargeVoltage,772,No acknowledge from device.2020-02-03 10:23:40,ChargeCurrent,772,No acknowledge from device.2020-02-03 10:23:40,PackConfig,772,No acknowledge from device.2020-02-03 10:23:40,Flags,772,No acknowledge from device.2020-02-03 10:23:40,Flags B,772,No acknowledge from device.2020-02-03 10:23:40,GridNumber,772,No acknowledge from device.2020-02-03 10:23:40,LearnedStatus,772,No acknowledge from device.2020-02-03 10:23:40,DoDatEOC,772,No acknowledge from device.2020-02-03 10:23:40,Qstart,772,No acknowledge from device.2020-02-03 10:23:40,TrueRC,772,No acknowledge from device.2020-02-03 10:23:40,TrueFCC,772,No acknowledge from device.2020-02-03 10:23:40,StateTime,772,No acknowledge from device.2020-02-03 10:23:40,DOD0PassedQ,772,No acknowledge from device.2020-02-03 10:23:40,DOD0Time,772,No acknowledge from device.2020-02-03 10:23:40,DOD0,772,No acknowledge from device.2020-02-03 10:23:40,QmaxDOD0,772,No acknowledge from device.2020-02-03 10:23:40,QmaxPassedQ,772,No acknowledge from device.2020-02-03 10:23:40,QmaxTime,772,No acknowledge from device.2020-02-03 10:23:43,Control,772,No acknowledge from device.2020-02-03 10:23:44,CtrlStatus,772,No acknowledge from device.2020-02-03 10:23:44,StateofCharge,772,No acknowledge from device.2020-02-03 10:23:44,MaxError,772,No acknowledge from device.2020-02-03 10:23:44,RemCap,772,No acknowledge from device.2020-02-03 10:23:44,FullChgCap,772,No acknowledge from device.2020-02-03 10:23:44,Voltage,772,No acknowledge from device.2020-02-03 10:23:44,Current,772,No acknowledge from device.2020-02-03 10:23:44,AvgCurrent,772,No acknowledge from device.2020-02-03 10:23:44,Temperature,772,No acknowledge from device.2020-02-03 10:23:44,AverageTimeToEmpty,772,No acknowledge from device.2020-02-03 10:23:44,AverageTimeToFull,772,No acknowledge from device.2020-02-03 10:23:44,AvailableEnergy,772,No acknowledge from device.2020-02-03 10:23:44,AveragePower,772,No acknowledge from device.2020-02-03 10:23:44,InternalTemperature,772,No acknowledge from device.2020-02-03 10:23:44,CycleCnt,772,No acknowledge from device.2020-02-03 10:23:44,StateofHealth,772,No acknowledge from device.2020-02-03 10:23:44,ChargeVoltage,772,No acknowledge from device.2020-02-03 10:23:44,ChargeCurrent,772,No acknowledge from device.2020-02-03 10:23:44,PackConfig,772,No acknowledge from device.2020-02-03 10:23:44,Flags,772,No acknowledge from device.2020-02-03 10:23:44,Flags B,772,No acknowledge from device.2020-02-03 10:23:44,GridNumber,772,No acknowledge from device.2020-02-03 10:23:44,LearnedStatus,772,No acknowledge from device.2020-02-03 10:23:44,DoDatEOC,772,No acknowledge from device.2020-02-03 10:23:44,Qstart,772,No acknowledge from device.2020-02-03 10:23:44,TrueRC,772,No acknowledge from device.2020-02-03 10:23:44,TrueFCC,772,No acknowledge from device.2020-02-03 10:23:44,StateTime,772,No acknowledge from device.2020-02-03 10:23:44,DOD0PassedQ,772,No acknowledge from device.2020-02-03 10:23:44,DOD0Time,772,No acknowledge from device.2020-02-03 10:23:44,DOD0,772,No acknowledge from device.2020-02-03 10:23:44,QmaxDOD0,772,No acknowledge from device.2020-02-03 10:23:44,QmaxPassedQ,772,No acknowledge from device.2020-02-03 10:23:44,QmaxTime,772,No acknowledge from device.2020-02-03 10:23:49,DOD0PassedQ,6,Timeout or unexpected response communicating with device.2020-02-03 10:23:49,DOD0Time,772,No acknowledge from device.2020-02-03 10:23:49,DOD0,772,No acknowledge from device.2020-02-03 10:23:49,QmaxDOD0,772,No acknowledge from device.2020-02-03 10:23:49,QmaxPassedQ,772,No acknowledge from device.2020-02-03 10:23:49,QmaxTime,772,No acknowledge from device.2020-02-03 10:23:54,Control,772,No acknowledge from device.2020-02-03 10:23:54,CtrlStatus,772,No acknowledge from device.2020-02-03 10:23:54,StateofCharge,772,No acknowledge from device.2020-02-03 10:23:54,MaxError,772,No acknowledge from device.2020-02-03 10:23:54,RemCap,772,No acknowledge from device.2020-02-03 10:23:54,FullChgCap,772,No acknowledge from device.2020-02-03 10:23:54,Voltage,772,No acknowledge from device.2020-02-03 10:23:54,Current,772,No acknowledge from device.2020-02-03 10:23:54,AvgCurrent,772,No acknowledge from device.2020-02-03 10:23:54,Temperature,772,No acknowledge from device.2020-02-03 10:23:54,AverageTimeToEmpty,772,No acknowledge from device.2020-02-03 10:23:54,AverageTimeToFull,772,No acknowledge from device.2020-02-03 10:23:54,AvailableEnergy,772,No acknowledge from device.2020-02-03 10:23:54,AveragePower,772,No acknowledge from device.2020-02-03 10:23:54,InternalTemperature,772,No acknowledge from device.2020-02-03 10:23:54,CycleCnt,772,No acknowledge from device.2020-02-03 10:23:54,StateofHealth,772,No acknowledge from device.2020-02-03 10:23:54,ChargeVoltage,772,No acknowledge from device.2020-02-03 10:23:54,ChargeCurrent,772,No acknowledge from device.2020-02-03 10:23:54,PackConfig,772,No acknowledge from device.2020-02-03 10:23:54,Flags,772,No acknowledge from device.2020-02-03 10:23:54,Flags B,772,No acknowledge from device.2020-02-03 10:23:54,GridNumber,772,No acknowledge from device.2020-02-03 10:23:54,LearnedStatus,772,No acknowledge from device.2020-02-03 10:23:54,DoDatEOC,772,No acknowledge from device.2020-02-03 10:23:54,Qstart,772,No acknowledge from device.2020-02-03 10:23:54,TrueRC,772,No acknowledge from device.2020-02-03 10:23:54,TrueFCC,772,No acknowledge from device.2020-02-03 10:23:54,StateTime,772,No acknowledge from device.2020-02-03 10:23:54,DOD0PassedQ,772,No acknowledge from device.2020-02-03 10:23:54,DOD0Time,772,No acknowledge from device.2020-02-03 10:23:54,DOD0,772,No acknowledge from device.2020-02-03 10:23:54,QmaxDOD0,772,No acknowledge from device.2020-02-03 10:23:54,QmaxPassedQ,772,No acknowledge from device.2020-02-03 10:23:54,QmaxTime,772,No acknowledge from device.2020-02-03 10:23:59,Control,772,No acknowledge from device.2020-02-03 10:23:59,CtrlStatus,772,No acknowledge from device.2020-02-03 10:23:59,StateofCharge,772,No acknowledge from device.2020-02-03 10:23:59,MaxError,772,No acknowledge from device.2020-02-03 10:23:59,RemCap,772,No acknowledge from device.2020-02-03 10:23:59,FullChgCap,772,No acknowledge from device.2020-02-03 10:23:59,Voltage,772,No acknowledge from device.2020-02-03 10:23:59,Current,772,No acknowledge from device.2020-02-03 10:23:59,AvgCurrent,772,No acknowledge from device.2020-02-03 10:23:59,Temperature,772,No acknowledge from device.2020-02-03 10:23:59,AverageTimeToEmpty,772,No acknowledge from device.2020-02-03 10:23:59,AverageTimeToFull,772,No acknowledge from device.2020-02-03 10:23:59,AvailableEnergy,772,No acknowledge from device.2020-02-03 10:24:00,AveragePower,772,No acknowledge from device.2020-02-03 10:24:00,InternalTemperature,772,No acknowledge from device.2020-02-03 10:24:00,CycleCnt,772,No acknowledge from device.2020-02-03 10:24:00,StateofHealth,772,No acknowledge from device.2020-02-03 10:24:00,ChargeVoltage,772,No acknowledge from device.2020-02-03 10:24:00,ChargeCurrent,772,No acknowledge from device.2020-02-03 10:24:00,PackConfig,772,No acknowledge from device.2020-02-03 10:24:00,Flags,772,No acknowledge from device.2020-02-03 10:24:00,Flags B,772,No acknowledge from device.2020-02-03 10:24:00,GridNumber,772,No acknowledge from device.2020-02-03 10:24:00,LearnedStatus,772,No acknowledge from device.2020-02-03 10:24:00,DoDatEOC,772,No acknowledge from device.2020-02-03 10:24:00,Qstart,772,No acknowledge from device.2020-02-03 10:24:00,TrueRC,772,No acknowledge from device.2020-02-03 10:24:00,TrueFCC,772,No acknowledge from device.2020-02-03 10:24:00,StateTime,772,No acknowledge from device.2020-02-03 10:24:00,DOD0PassedQ,772,No acknowledge from device.2020-02-03 10:24:00,DOD0Time,772,No acknowledge from device.2020-02-03 10:24:00,DOD0,772,No acknowledge from device.2020-02-03 10:24:00,QmaxDOD0,772,No acknowledge from device.2020-02-03 10:24:00,QmaxPassedQ,772,No acknowledge from device.2020-02-03 10:24:00,QmaxTime,772,No acknowledge from device.2020-02-03 10:24:24,LearnedStatus,6,Timeout or unexpected response communicating with device.
    Fullscreen IssueBQ34Z100.log.txt Download 
    Mon Feb 03 10:23:03 CET 2020

Device Name = bq34z100G1
Firmware Version = 0_16


Sample,DateTime,ElapsedTime,Control,CtrlStatus,StateofCharge,MaxError,RemCap,FullChgCap,Voltage,Current,AvgCurrent,Temperature,AverageTimeToEmpty,AverageTimeToFull,AvailableEnergy,AveragePower,InternalTemperature,CycleCnt,StateofHealth,ChargeVoltage,ChargeCurrent,PackConfig,Flags,Flags B,GridNumber,LearnedStatus,DoDatEOC,Qstart,TrueRC,TrueFCC,StateTime,DOD0PassedQ,DOD0Time,DOD0,QmaxDOD0,QmaxPassedQ,QmaxTime,LogRowTime(ms),LogStatus
1,2020-02-03 10:23:08,5.001,0x6000,0x6000,0,0,0,1000,16191,0,0,19.8,65535,65535,0,0,25.4,0,0,0,0,0x41D9,0x0103,0x0200,0,0,0,0,0,0,1,0,0,15876,0,0,0,883,SUCCESS
2,2020-02-03 10:23:13,10.001,0x6014,0x6014,0,0,0,0,3496,0,0,24.1,65535,65535,0,0,25.4,0,0,4200,500,0x41D9,0x0183,0x2E00,0,0,64,0,0,0,1,0,0,15874,0,0,0,901,SUCCESS
3,2020-02-03 10:23:19,15.789,0x6014,0x6014,0,0,0,0,3496,0,0,24.1,65535,65535,0,0,25.4,0,0,4200,500,0x41D9,0x0183,0x2E00,0,0,64,0,0,0,1,0,0,15874,0,0,0,941,SUCCESS
4,2020-02-03 10:23:23,20.002,0x6014,0x6014,0,0,0,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,995,ERROR : Please check C:\Users\129459\Desktop\IssueBQ34Z100.log.err
5,2020-02-03 10:23:28,25.002,0x6014,0x6014,0,0,0,0,3496,0,0,24.0,65535,65535,0,0,25.3,0,0,4200,500,0x41D9,0x0183,0x2600,0,0,64,0,0,0,1,0,0,15876,0,0,0,899,SUCCESS
6,2020-02-03 10:23:33,30.002,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,744,ERROR : Please check C:\Users\129459\Desktop\IssueBQ34Z100.log.err
7,2020-02-03 10:23:39,35.787,0x6014,0x6014,0,0,0,0,3496,0,,,,,,,,,,,,,,,,,,,,,,,,,,,,1007,ERROR : Please check C:\Users\129459\Desktop\IssueBQ34Z100.log.err
8,2020-02-03 10:23:43,40.004,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,635,ERROR : Please check C:\Users\129459\Desktop\IssueBQ34Z100.log.err
9,2020-02-03 10:23:48,45.004,0x6014,0x6014,0,0,0,0,3495,0,0,24.0,65535,65535,0,0,25.3,0,0,4200,500,0x41D9,0x0183,0x2E00,0,0,64,0,0,0,1,,,,,,,991,ERROR : Please check C:\Users\129459\Desktop\IssueBQ34Z100.log.err
10,2020-02-03 10:23:53,50.004,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,661,ERROR : Please check C:\Users\129459\Desktop\IssueBQ34Z100.log.err
11,2020-02-03 10:23:59,55.697,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,658,ERROR : Please check C:\Users\129459\Desktop\IssueBQ34Z100.log.err
12,2020-02-03 10:24:03,60.006,0x6014,0x6014,0,0,0,0,3496,0,0,23.9,65535,65535,0,0,25.2,0,0,4200,500,0x41D9,0x0183,0x2E00,0,0,64,0,0,0,1,0,0,15876,0,0,0,929,SUCCESS
13,2020-02-03 10:24:08,65.006,0x6000,0x6000,0,0,0,1000,16191,0,0,19.8,65535,65535,0,0,25.2,0,0,0,0,0x41D9,0x0103,0x0200,0,0,0,0,0,0,0,0,0,0,0,0,0,909,SUCCESS
14,2020-02-03 10:24:13,70.007,0x6014,0x6014,0,0,0,0,3496,0,0,23.9,65535,65535,0,0,25.2,0,0,4200,500,0x41D9,0x0183,0x2E00,0,0,64,0,0,0,1,0,0,15876,0,0,0,909,SUCCESS
15,2020-02-03 10:24:19,75.772,0x6014,0x6014,0,0,0,0,3496,0,0,23.9,65535,65535,0,0,25.2,0,0,4200,500,0x41D9,0x0183,0x2600,0,0,64,0,0,0,1,0,0,15876,0,0,0,910,SUCCESS
16,2020-02-03 10:24:23,80.009,0x6014,0x6014,0,0,0,0,3496,0,0,23.9,65535,65535,0,0,25.2,0,0,4200,500,0x41D9,0x0183,0x2E00,0,,0,0,0,0,0,0,0,0,0,0,0,1062,ERROR : Please check C:\Users\129459\Desktop\IssueBQ34Z100.log.err

  • 0 in reply to Shreyas Shroff
    TI__Guru 52115 points

    Can you share your srec file with me?

    Andy

  • 0 in reply to Andy Liu (BMS)
    Prodigy 80 points

    Hi Andy,

    Please find attached the .srec file. In the file name I have added the extension as .txt so as to upload on teh forum. Please rename the file by changing the extension of it to .srec.

    Thanks,

    Fullscreen 0100_0_16-bq34z100G1.srec.txt Download 
    S00F00004657303130305F30305F31360D
S70500000000FA

  • 0 in reply to Shreyas Shroff
    TI__Guru 52115 points

    I have looked into the srec file you uploaded. It doesn't seem to be a valid srec file.  Could you double check?  

    And

  • 0 in reply to Andy Liu (BMS)
    Prodigy 80 points

    Hi Andy,

     I checked the file, I had generated it from the Battery Management studio Application.

    Can you let me know what is the problem with this IC?

    Why it is not communicating properly over I2C?

    Why the IC is getting reset by its Own?

    Why it is having 'NO Acknowledgement from device' message?

    Is there any issue with the dataflash of the IC?

  • 0 in reply to Shreyas Shroff
    TI__Guru 52115 points

    It seems like the bq34z100 on your EVM is defective for some reasons. I would sugegst you get some free samples from ti.com and replace the device.  

    Andy