BQ24075-Q1_15 Datasheet, PDF (21/38 Pages) Texas Instruments – SLUSAU3B –FEBRUARY 2012–REVISED MARCH 2012

www.ti.com
Begin Charging
bq24075-Q1
SLUSAU3B – FEBRUARY 2012 – REVISED MARCH 2012
Yes
Battery short detected?
No
Start Precharge
CHG = Low
VBAT > VLOWV
No
Yes
Start Fastcharge
ICHARGE set by ISET
I_BAT < I_TERM
No
Yes
Charge Done
CHG = Hi-Z
No
tPRECHARGE
Elapsed?
End Charge
Flash CHG
No
t FASTCHARGE
Elapsed?
End Charge
Flash CHG
TD = Low
(’72, ’73 Only)
No
(’74, ’75 = YES)
Yes
Termination Reached
BATTFET Off
Wait for VBAT < VRCH
No
V_BAT < V_RCH
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
Submit Documentation Feedback
21