BQ27Z746: BQ27Z746 HW Protector calibration data

Alex

Part Number: BQ27Z746

Tool/software:

https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1262227/bq27z746-bq27z746-protector-calibration-data

I followed the steps in this post to write, but after powering on again, the previous parameters will be restored; Please help me check if there are any issues with my steps;

W：AA 3E 2D 00

W：AA 3E A2 F0 01 00 0B 21 20 08 08 08 09 08 26 1E 1B 5B 2E 04 5B 5B 5B 5B 08 08 10 17 07 08 09 11 09 11

W：AA 60 25 22

W：AA 3E 2D 00

over 1 year ago

0 Jonny over 1 year ago

TI__Mastermind 26571 points

Hello,

Please refer to the process outlined in this E2E thread. It looks like you are not saving the configuration. Otherwise it looks like the checksum and length are correct.

Regards,

Robert.

0 Alex over 1 year ago in reply to Jonny

Prodigy 200 points

Hi Robert
Thanks. The problem has been resolved.

Power management

Power management forum

BQ27Z746: BQ27Z746 HW Protector calibration data