BQ24072 Datasheet, PDF (17/38 Pages) Texas Instruments – 1.2A USB-FRIENDLY Li-Ion BATTERY CHARGER AND POWER-PATH MANAGEMENT IC

bq24072, bq24073
bq24074, bq24075
www.ti.com...................................................................................................................................... SLUS810A – SEPTEMBER 2008 – REVISED DECEMBER 2008
PGOOD = Hi-Z
CHG = Hi-Z
BATTFET ON
UVLO <VIN <VOVP
No
and
VIN >VBAT +VIN(DT)
Yes
PGOOD = Low
Yes
EN1=EN2=1
No
Yes
ILIM or ISET short?
No
Begin Startup
I _IN(MAX) 100mA
Yes
VOUT short?
No
Input Current
Limit set by EN1
and EN2
No
CE = Low
Yes
Begin Charging
Figure 34. Startup Flow Diagram
Copyright © 2008, Texas Instruments Incorporated
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