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| BQ24072T_2 Datasheet, PDF (14/36 Pages) Texas Instruments – 1.5A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC | |||
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bq24072T
bq24075T, bq24079T
SLUS937A â DECEMBER 2009 â REVISED APRIL 2010
APPLICATION CIRCUITS
www.ti.com
R4
1.5 kW
R5
1.5 kW
SYSTEM
Adaptor
DC+
GND
R6
10 kW
R7
13.2 kW
C1
1µF
R8
100 kW
TEMP
PACK +
C3
4.7 µF
IN
OUT
VSS
bq24075T EN2
bq24079T
EN1
TS
SYSOFF
CE
BAT
C2
4.7µF
PACK -
R1
R2
R3
46.8 kW
1.18 kW 1.13 kW
HOST
NOTE: VIN = UVLO to VOVP, IFASTCHG = 800mA, IIN(MAX) = 1.35A, Battery Temperature Charge Range = 0°C to 50°C, 6.25
hour Fastcharge Safety Timer
Figure 25. Using the bq24075T/bq24079T to Disconnect the Battery from the System
14
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Copyright © 2009â2010, Texas Instruments Incorporated
Product Folder Link(s): bq24072T bq24075T bq24079T
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