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  • BQ27Z561-R2: Use of authenticator and built in memory

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 Hi Support team My customer is working on a new design with the bq27z561 and has a few questions. How many keys for authentication can be stored in it? Also can I use the in…
    • Resolved
    • Answered

  • BQ27Z561-R2: Delay from deep sleep to Sleep is 1 second extra

    Resolved
    Part Number: BQ27Z561-R2 I'm testing the BQ27Z561-R2 in details.. the chip performs wel. I did static charge tests, and now i'm busy doing dynamic CC test. results are quite good. But the switch from DeepSleep to Sleep mode takes 1 second extra! In…
    • Resolved
    • Answered

  • BQ27Z561-R2: What is the difference between HW version A1 with HW version A2?

    Resolved
    Part Number: BQ27Z561-R2 Hello Sir: We are mass production the BQ27z561-R2. We get two HW version about A1 and A2. Do you have the change list can tell us what is the difference between HW version A1 with HW version A2? Please provide your recommendations…
    • Resolved

  • BQ27Z561-R2: How to verify the lifetime reset key function?

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Hello Sir: We have been succeeded changing the lifetime reset key. But we have one question about how to verify it? Please provide the recommendations for us. Thanks a lot.

  • BQ27Z561-R2: Switching between Normal - Sleep - Deep Sleep goes low

    Part Number: BQ27Z561-R2 Our application has a current profile of: 4 - 10 seconds active = 3- 10 mA. then standby = 30 uA for 1 hour. I measure delay, when the device goes from Deep Sleep to normal and back. It seems clear that the Average current is…

  • RE: BQ27Z561-R2: Can not programming .srec by using BqStudio 1.3.101

    Hello Statham, The bq27z561-R2 has new features in bqStudio and I believe it requires the most up to date version to use them all. Using the test version for this is okay, usually we recommend using it because it has the most recent bug fixes. Sincerely…

  • BQ27Z561-R2-DEVICE-FW: no I2C communication

    TI Thinks Resolved
    Part Number: BQ27Z561-R2-DEVICE-FW Other Parts Discussed in Thread: BQSTUDIO Hi team, Customer is using BQ27Z561-R2-DEVICE-FW in their battery, and they find some of the battery is unable to connect to I2C, fail rate 3/1000. Could you give some comments…

  • BQ27Z561-R2: I2C Address/Communication not available

    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO , BQ27Z561 , BQ25703A , EV2400 Hello, I have a BQ27z561 fuel gauge that I have been developing with. The system also uses a BQ25703A charge controller IC on the same bus. During FW…

  • BQ27Z561: what is the different between R1 and R2

    Part Number: BQ27Z561 Hi Team, I just realized bq27z561 R2 is released in Feb/2020. What is the different between R1 and R2? Regards, Kai

  • RE: BQ27427: Countermeasures against counterfeit batteries

    Hi Dominik, Thank you for your reply. I have understood that the BQ27427 cannot detect counterfeit batteries. If the gauge is placed on the pack side, I will consider the BQ27Z5xx. I understand that the BQ27Z561-R2 is better than the BQ27Z561. Also…

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