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| BQ24232HA Datasheet, PDF (28/36 Pages) Texas Instruments – USB-Friendly Lithium-Ion Battery Charger | |||
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bq24232HA
SLUSCG4 â MAY 2016
Typical Application (continued)
8.2.3 Application Curves
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VIN
5 V/div
VOUT
4.4 V
VBAT
4V
VPGOOD
IBAT
Battery Supplying Load
Mandatory Precharge
Fastcharge
1 V/div
200 mA/div
4 ms/div
RLOAD = 25Ω
Figure 22. Adapter Plug-In With Battery Connected
VCHG
2 V/div
VCHG
5 V/div
VBAT
Battery Detection Mode
Battery Inserted
IBAT
Charging Initiated
2 V/div
100 mA/div
400 ms/div
Figure 23. Battery Detection -- Insertion
ILOAD
500 mA/div
VBAT
Battery Removed
IBAT
200 mA/div
Battery Detection Mode
2 V/div
400 ms/div
Figure 24. Battery Detection -- Removal
IBAT
200 mA/div
VOUT
4.4 V
200 mV/div
400 ms/div
RLOAD = 25Ω To 9Ω
Figure 25. Entering and Exiting DPPM Mode
ILOAD
500 mA/div
IBAT
Supplement Mode
500 mA/div
VOUT
4.4 V
200 mV/div
VBAT
3.9 V
2 ms/div
RLOAD = 25Ω To 4.5Ω
Figure 26. Entering and Exiting Battery Supplement Mode
VCE
VCHG
VBAT
3.6V
IBAT
Mandatory Precharge
5 V/div
5 V/div
500 mV/div
100 mA/div
10 ms/div
Figure 27. Charger ON/OFF Using CE
28
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