Datasheet

StartPrecharge
CHG =Low
Batteryshortdetected?
Yes
No
No
t
PRECHARGE
Elapsed?
BeginCharging
EndCharge
Flash CHG
I
BAT
< I
TERM
Yes
Yes
TD =Low
(’72, ’73 Only)
( 74’ , ’75= YES)
No
TerminationReached
BATTFET Off
WaitforV
BAT
< V
RCH
Yes
No
V
BAT
> V
LOWV
StartFastcharge
I
CHARGE
setbyISET
No
EndCharge
Flash CHG
No
t
FASTCHARGE
Elapsed?
ChargeDone
CHG =Hi-Z
V
BAT
< V
RCH
No
BatteryDetected?
RunBatteryDetection
Yes
Yes
No
bq24072, bq24073
bq24074, bq24075, bq24079
www.ti.com SLUS810I –SEPTEMBER 2008–REVISED JANUARY 2014
Figure 40. Battery Charging Flow Diagram
Copyright © 2008–2014, Texas Instruments Incorporated Submit Documentation Feedback 23
Product Folder Links: bq24072 bq24073 bq24074 bq24075 bq24079