BQ40Z50: Charge and discharge voltage jump

Prodigy 130 points

user5883945

Replies: 3

Views: 60

Part Number: BQ40Z50

Dears:

    My customer use BQ40Z50 as battery manager for 4-cell lithium battery. We found there have a problem that charge and discharge voltage have jumped sometimes, it is different with actual voltage. you can see the data from the picture as below, is it a normal phenomenon? or there have solution can avoid this? thanks!

• bq40z50

Prodigy 130 points

user5883945

• Jan 25, 2021 12:12 PM
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3 Replies

• Genius 11535 points

  

  Nick Brylski

  

  • Jan 25, 2021 1:21 PM

  Hi,

  How often is this occurring? Are you able to reproduce the voltage jump some way?

  Thanks,

  Nick Brylski

  Applications Engineer

  Texas Instruments

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• Prodigy 130 points

  

  user5883945

  

  • Jan 26, 2021 5:38 AM

  In reply to Nick Brylski:

  Hi Nick:

      It is It happened by accident, irregularity, I can not reproduce the jump by some way.

     

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• Genius 11535 points

  

  Nick Brylski

  

  • Jan 26, 2021 4:54 PM

  In reply to user5883945:

  Hi,

  Do you know what caused the accident? There's not much I can do without more info.

  Thanks,

  Nick Brylski

  Applications Engineer

  Texas Instruments

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