Datasheet

PRE-CHARGE
CURRENT AND
TERMINATION
THRESHOLD
FAST-CHARGE
CURRENT
T
(PRECHG)
Charge
Complete
Status,
Charger
Off
Pre-
Conditioning
Phase
Current
Regulation
Phase
VoltageRegulationand
ChargeTermination
Phase
Battery
Voltage,
V
(OUT)
BatteryCurrent,
I
(OUT)
DONE
0A
Thermal
Regulation
Phase
Temperature, Tj
I
O(OUT)
T
(THREG)
I
(TERM)
I
O(PRECHG)
V
O(REG)
V
O(LOWV)
DONE
T
(CHG)
bq24090, bq24091
bq24092, bq24093
SLUS968A –JANUARY 2010–REVISED FEBRUARY 2010 www.ti.com
FUNCTIONAL GENERAL DESCRIPTION (continued)
Figure 19. Charging Profile With Thermal Regulation
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