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BQ24115RHLR Datasheet(PDF) 11 Page - Texas Instruments |
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BQ24115RHLR Datasheet(HTML) 11 Page - Texas Instruments |
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11 / 29 page  bq24100, bq24103, bq24105 bq24108, bq24113, bq24115 SLUS606B − JUNE 2004 − REVISED NOVEMBER 2004 11 www.ti.com APPLICATION INFORMATION Battery Detect? TS Pin in LTF to HTF Range? Indicate CHARGE SUSPEND No V BAT<VLOWV Yes No V BAT<VLOWV T30min Expired? No Yes Indicate Fault Battery Replaced? (Vbat < Vrch?) Yes No Yes FSTCHG Timer Expired? No Suspend Charge Indicate Charge− In−Progress Regulate I PRECHG Indicate Charge− In−Progress Regulate Current or Voltage Indicate BATTERY ABSENT Check for Battery Presence No Reset and Start T30min timer TS pin in LTF to TCO range? Indicate CHARGE SUSPEND No Suspend Charge POR Yes Yes Reset and Start FSTCHG timer TS Pin in LTF to TCO Range? I TERM detection? Yes Yes V BAT < VRCH? No Indicate DONE Charge Complete Yes V BAT<VLOWV No No − Fault Condition − Enable I DETECT No Yes Yes TS pin in LTF to HTF range? No TS pin in LTF to HTF range? Indicate CHARGE SUSPEND Suspend Charge No No Indicate Charge− In−Progress − Turn Off Charge − Enable I DISCHG for t DISCHG2 Indicate BATTERY ABSENT Battery Removed Yes Yes Yes * *NOTE: If the TTC pin is pulled low, the safety timer and termination are disabled; the charger continues to regulate, and the STAT pins indicate charge in progress. If the TTC pin is pulled high (VTSB), only the safety timer is disabled (termination is normal). Figure 4. Stand-Alone Version Operational Flow Chart |
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