ISL9301 datasheet(11/12 Pages) INTERSIL

11 / 12 page

FN6435.0

February 25, 2008

Po w e r

PO R

In itia liz a tio n

Re s e t T im e r

IR E F + IO U T

> IL IM ?

IO U T > IL IM ?

V BAT =

4.2 V ?

VIN > VP O R ?

CHA RG E R F A U L T

VO U T = O N

C h a rger = O F F

CH G = B lin k in g

CHA RG E CO M P L E T E

VO U T = O N

C h arge r = O N

CHG = HI

CV CHA RG E

VO U T = O N

C h arge r = O N

C H G = LO

Tim e o u t?

VIN > VO U T +VO S ?

VIN < V O VP ?

VO U T <

VR EC H ?

BAT T DIS CHA RG E

VO U T = O N

IC H G = -(IO U T – IL IM )

C h arge r = R e v e rs e d

CHG = HI

Tim e r R e s e t

F A S T CH ARG E

VO UT = O N

IC H G = IR E F

C h arge r = O N

CHG = L O

PP M

VO U T = O N

IC H G = (IL IM – IO U T )

C h arge r = O N

C H G = LO

ICH G < IMIN ?

Tim e o u t?

DIS A B L E D

VO UT = O N

C harg e r = O F F

CHG = H I

OT P

V O U T = VBA T

C harg e r = O F F

CHG = H I

T die < 11 0

o C?

A n y tim e D ie

te m p erature e x c e ed s

14 2

o C

P o we r d o wn

To P o w e r U p

T R ICKL E C HARG E

PP R = L

CHG = L

VO U T = 4 .5 V

C harg e r = O N

VBA T> V MIN

FIGURE 6. STATE DIAGRAM

ISL9301

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