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| BQ24075-Q1 Datasheet, PDF (21/36 Pages) Texas Instruments – 1.5A USB-FRIENDLY Li-Ion BATTERY CHARGER AND POWER-PATH MANAGEMENT IC | |||
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www.ti.com
Begin Charging
bq24075-Q1
SLUSAU3B â FEBRUARY 2012 â REVISED MARCH 2012
Yes
Battery short detected?
No
Start Precharge
CHG = Low
VBAT > VLOWV
No
Yes
Start Fastcharge
ICHARGE set by ISET
IBAT < ITERM
No
Yes
Charge Done
CHG = Hi-Z
No
tPRECHARGE
Elapsed?
End Charge
Flash CHG
No
t FASTCHARGE
Elapsed?
End Charge
Flash CHG
TD = Low
(â72, â73 Only)
No
(â74, â75 = YES)
Yes
Termination Reached
BATTFET Off
Wait for VBAT < VRCH
No
VBAT < VRCH
Yes
Run Battery Detection
Battery Detected? No
Yes
Figure 29. Battery Charging Flow Diagram
Copyright © 2012, Texas Instruments Incorporated
Product Folder Link(s): bq24075-Q1
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