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| BQ24314A Datasheet, PDF (4/21 Pages) Texas Instruments – OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC | |||
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bq24314A
SLUS811 â MARCH 2008
www.ti.com
IN
ILIM
Q1
Charge Pump,
Bandgap,
Bias Gen
VBG
ISNS
ILIMREF
Current limiting
loop
OCP comparator
ILIMREF - Î
ISNS
t BLANK(OCP)
OFF
VIN VBG
OVP
VIN
VBG
UVLO
t DGL(PGOOD)
COUNTERS,
CONTROL,
AND STATUS
THERMAL
SHUTDOW
t DGL(BOVP)
VBG
OUT
FAULT
CE
VBAT
VSS
Figure 1. Simplified Block Diagram
4
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Copyright © 2008, Texas Instruments Incorporated
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