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| BQ24901_13 Datasheet, PDF (12/18 Pages) Texas Instruments – OFFLNE APPLICATIONS | |||
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bq24901
SLUS527 â DECEMBER 2002
APPLICATION INFORMATION
Battery Insertion and Removal Detection
The bq24901 reliably detects insertion and removal of battery packs under various conditions. This includes
the battery packs with open or closed protectors. Figure 6 shows the flow chart. Table 1 provides a summary
of various battery insertion and removal conditions.
Begin Battery
Detection
Enable IDSCHG
for tDSCHG
Yes
VBAT >
VDSCHG
?
No
Enable
IWAKE1orWI AKE2
for tWAKE
In Voltage
Yes
Regulation
?
No
Battery
Present
Battery
Absent
Figure 6. Battery Detection Summary
12
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