Datasheet

V
RCH
V
BAT
t<t
DGL(RCH)
t
DGL(RCH)
Re-Charge
V
BAT
V
LOWV
I
CHG
I
PRE-CHG
Pre-Charge
Fast-Charge
Pre-Charge
Fast-Charge
t<t
DGL1(LOWV)
t
DGL1(LOWV)
t
DGL2(LOWV)
t<t
DGL2(LOWV)
t
DGL1(LOWV)
V
OVP
V -V
OVP hys(OVP)
V +V
BAT IN(DT)
V +V -V
BAT IN(DT) hys(INDT)
UVLO
UVLO -V
hys(UVLO)
PGOOD
t
DGL(PGOOD)
t
DGL(OVP)
t
DGL(PGOOD)
t
DGL(NO-IN)
V
IN
t<t
DGL(OVP)
TypicalInputVoltage
OperatingRange
bq24072, bq24073
bq24074, bq24075, bq24079
SLUS810I –SEPTEMBER 2008–REVISED JANUARY 2014 www.ti.com
EXPLANATION OF DEGLITCH TIMES AND COMPARATOR HYSTERESIS
Figures not to scale
Figure 29. Power-Up, Power-Down, Power Good Indication
Figure 30. Pre- to Fast-Charge, Fast- to Pre-Charge Transition – t
DGL1(LOWV)
, t
DGL2(LOWV)
Figure 31. Recharge – t
DGL(RCH)
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Product Folder Links: bq24072 bq24073 bq24074 bq24075 bq24079