SDAA142A November   2025  – July 2026 BQ25172

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Timer Based Charge
  6. 3Possible Overcharge
  7. 4Recharge and Intermittent Charge
  8. 5IC Thermal Rise
  9. 6Typical Application
  10. 7Summary
  11. 8References
  12. 9Revision History

4 Recharge and Intermittent Charge

Due to self-discharge of a NiMN battery a recharge mechanism is required to maintain charge during standby conditions. The BQ25172 has an optional Intermittent Charge feature to keep the battery topped off. This initiates a reduced time charge cycle when battery voltage decreases to 1.33V per cell.