Part Number: BQ28Z620 Other Parts Discussed in Thread: BQSTUDIO hello,
Some chips of BQ28Z620 cannot be unlocked or reprogrammed
1)normal chip;
2) Unable to unlock
3)Communication exception
Please help analyze it, thank you.
Part Number: BQ28Z620 Dear TI E2E Support Team,
I have a question regarding the bq28z620 configuration.
If I only changed the PCB layout (routing) but did not change the schematic or component values, do I need to perform a new learning cycle and…
Part Number: BQ28Z620 Tool/software: Hello：
Project situation: Customer battery level meter project
Question: How does the built-in HMAC-SHA1 algorithm of the BQ28Z620 electricity meter match with the HMAC-SHA1 algorithm on the website?
Description…
Part Number: BQ28Z620 Other Parts Discussed in Thread: BQSTUDIO Tool/software: Hello:
Problem phenomenon: Battery level display shows a question mark during low battery and high temperature hang testing Problem description: When the machine is charged…
Part Number: BQ28Z620 Tool/software: Hello, engineers at TI,
When we are testing the I2C communication waveform, we found that the low-level voltage is 0.5V, which is higher than the 0.42V specified in the datasheet. Will this affect the communication…
Part Number: BQ28Z620 Other Parts Discussed in Thread: BQSTUDIO Tool/software: Dear
When discharging the battery with low current using BQ28Z620 chip, there is a significant voltage difference corresponding to SOC. Please help analyze the reasons for…
Part Number: BQ28Z620 Tool/software: Hello,
I'm working with the BQ28Z620 and need to program a chemistry ID for a 2S2P pack of 21700 cells. The cell chemistry is LiNiCoAlO₂ (NCA) .
The application does not require extremely high accuracy, so if there…
Part Number: BQ28Z620 Other Parts Discussed in Thread: GPCCHEM Tool/software: Hi Ti team,
Could you, please, support me with the battery lerning cycle for BQ28Z620.
I have a conguguration 2S1P with cell ICR18650 2.2Ah 3.7V. The chemical ID was identify…
Part Number: BQ28Z620
Dear Expect,
I'm using Battery Management Studio software to communicate with a BQ28Z620 microcontroller. Everything works normally until I plug in the charger. At that point, the connection with the software is lost. The battery…
Part Number: BQ28Z620 Hi,
We are using the BQ28Z620 in a new project with a 2S2P battery configuration. However, the customer has raised the following concerns:
With two cells in parallel, we cannot measure the currents into each individual cell.…
