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V(IN)>V(UVLO)?
No
CE=Low?
No
V(IN)<V(OVP)?
Yes
No
TurnoffFET
FAULT =Low
I<IOCP ?
Yes
No
Waitt
REC(OCP)
V
BAT
<BATOVP ?
Yes
No
TurnonFET
FAULT =HiZ
TurnoffFET
FAULT =Low
IncrOCP counter
count<15 ?
CE=Hi?
No
No
GotoReset
Yes
TurnoffFET
FAULT =Low
IncrBAT counter
count<15 ?
CE=Hi?
GotoReset
Yes
No
No
Yes
Yes
No
TurnoffFET
FAULT =Low
PowerDown
AllICfunctionsOFF
FAULT =HiZ
Reset
Timersreset
Countersreset
FAULT =HiZ
FET off
T < T ?
J J(OFF)
AnyState
ifV(IN)<V(UVLO),
gotoPowerDown
AnyState
ifCE=Hi,
gotoReset
bq24314
bq24316
SLUS763C – JULY 2007 – REVISED OCTOBER 2007
Figure 24. Flow Diagram
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