Part Number: BQ28Z610-R1 Tool/software: Hi Robert,
My previous thread was locked before a resolution was found. Can it please be unlocked? If not, what is an ABA swap?
Part Number: BQ28Z610-R1 Other Parts Discussed in Thread: BQ28Z610 Tool/software: Hi,
We have a good communication in I2C at 100kHz :
In the red rectangle, it's the 0xAB frame. In the yellow circle it is ACK of the BQ. .
However we have a problem…
Part Number: BQ28Z610-R1 Other Parts Discussed in Thread: BQ28Z610 , GPCCHEM Tool/software: Dear Sir or Madam, We would like to ask you for help. We are trying to use BQ28Z610 with single cell LiFePo4 cell (400mAh, 3.2V design voltage) and we are facing…
Part Number: BQ28Z610-R1 Tool/software: Hi,
I would like to ask what could happen when cell voltage accidentally disconnects from BQ (powering IC off) during programming.
Firmware was uploaded to many boards to test hardware without cells, simulating…
Part Number: BQ28Z610-R1 Other Parts Discussed in Thread: BQ28Z610 , , BQSTUDIO Tool/software:
Hi E2E,
My customer previously used TI's Multiupdater to update the FW for the BQ28Z610 during mass production.
They have now changed to the…
I can't say why the gauge does this and I highly doubt that anyone else can. It's not expected and would need further debug. We can't debug this remotely just with a verbal description. And we don't have the resources to debug a gauge that is NRND and…
Hi Robert,
We have some more information. One of the devices that we "recovered" by disconnecting the battery is showing different behavior now. This device was connected to a battery at around 90% SoC for 3 to 4 weeks and we observe the following…
Part Number: BQ28Z610 Other Parts Discussed in Thread: BQSTUDIO , BQ25895 Tool/software: I have a design using the 610 as a battery gauge. I haven't yet been able to get it to allow discharge. Initially it would not charge, but I've gotten past that. I…
Part Number: BQ28Z610-R1 Other Parts Discussed in Thread: BQ27Z561 , BQ28Z620 , BQ27Z746 , BQ40Z50 Tool/software: Hello TI Team,
Can you help to confirm the Cell voltage measurement accuracy of BQ27Z561? Can it achieve ±1mV accuracy in practical applications…
Part Number: BQ28Z610-R1 Tool/software: Hello! The BQ28Z610-R1 SOC I am currently debugging displays the battery power. The customer requires 3.2V to display 0%. During the actual test, when it reached 3.2V, the battery display jumped directly from 9…