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| BQ24090 Datasheet, PDF (14/31 Pages) Texas Instruments – 1A, Single-Input, Single Cell Li-Ion Battery Charger | |||
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bq24090, bq24091
bq24092, bq24093
SLUS968A â JANUARY 2010 â REVISED FEBRUARY 2010
FUNCTIONAL GENERAL DESCRIPTION (continued)
www.ti.com
VO(REG)
IO(OUT)
FAST-CHARGE
CURRENT
PRE-CHARGE
CURRENT AND
TERMINATION
THRESHOLD
VO(LOWV)
Pre-
Conditioning
Phase
Thermal
Regulation
Phase
Current
Regulation
Phase
Voltage Regulation and
Charge Termination
Phase
Battery
Voltage,
V(OUT)
Battery Current,
I(OUT)
Charge
Complete
Status,
Charger
Off
IO(PRECHG)
T(THREG)
Temperature, Tj
DONE
I(TERM)
0A
T(PRECHG)
T(CHG)
Figure 19. Charging Profile With Thermal Regulation
DONE
14
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Product Folder Link(s): bq24090 bq24091
Copyright © 2010, Texas Instruments Incorporated
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