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BQ34Z100-G1: problem with optimization cycle

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Part Number:BQ34Z100-G1

Hello, 

I just ran my first test optimization cycle, but I noticed the OCVTAKEN bit in the Flags register did not set after the first charge cycle (see step 4 below). It was later determined that the battery was no good, but I am wondering if these two things are related. Here is my log file (see below). I ended the test early because the battery was determined to be bad, but I am wondering why the OCVTAKEN bit was not set. Here are the steps I was following.

  1. Configure the dataflash with appropriate parameters suitable for your application; configure pack's chemistry and perform calibration;
  2. Activate impedance track;
  3. Charge the pack to charge termination;
  4. Allow the pack to rest until the OCVTIAKEN flag sets;
  5. Discharge the pack at a C/10 to C/5 rate to the Termination Voltage;
  6. Allow the pack to rest until the OCVTAKEN flag sets. Qmax should update and Update Status should increment to 05;
  7. Fully charge the pack to charge termination;
  8. Allow the pack to rest until the OCVTAKEN flag sets;
  9. Discharge the pack at a C/10 to C/5 rate to the Termination Voltage;
  10. Allow the pack to rest until the OCVTAKEN flag sets. The Ra table should update and Update Status should increment to 06.

(Please visit the site to view this file) 


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