BQ40Z50-R1: BQ40Z50-R1-No Ack device Error

Max

Part Number: BQ40Z50-R1
Other Parts Discussed in Thread: BQSTUDIO

We have designed a 4s1p Battery pack using BQ40z50r1.

In the pack during we are doing learning cycle.

while charging we are facing a error(No Acknowledge from Device and Checksum path error).But we are able to charge the battery.

Kindly help me out to clear the error.

over 4 years ago

0 Wyatt Keller over 4 years ago

TI__Guru** 105640 points

Hello,

What were the conditions for the test that this occurred? If the checksum is incorrect the dataflash is not what is expected to be there so bqStudio will give an error. Do you get this after programming or randomly?

Sincerely,

Wyatt Keller

0 Max over 4 years ago in reply to Wyatt Keller

Intellectual 930 points

We have got this error during discharge,

After programming and during learning cycle it occured

0 Jayden Li over 4 years ago in reply to Max

TI__Expert 3225 points

Hi Anandan,

Did you chose the right bqz version?

Sincerely,

Jayden

Power management

Power management forum

BQ40Z50-R1: BQ40Z50-R1-No Ack device Error