BQ24013 Datasheet, PDF (7/21 Pages) Texas Instruments – SINGLE-CHIP, LI-ION CHARGE MANAGEMENT IC FOR HANDHELD APPLICATIONS (bq TINY)

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FUNCTIONAL BLOCK DIAGRAM
bq24010, bq24012, bq24013, bq24014
SLUS530F − SEPTEMBER 2002 − REVISED AUGUST 2005
IN
VCC
VI(BAT) +
VCC ^VO(REG)
VCC
CHG ENABLE V(ISET) +
VSET
REFERENCE
AND BIAS
VO(REG) ^{CHG ENABLE}
I(DETECT)
ENABLE
I(FAULT)
ENABLE
OUT
ISET
TS
VSS
VCC
VI(BAT)
V(SLP)
CE
DEGLITCH
THERMAL
SHUTDOWN
TTE
VO(REG)
V(RCH)
VSET
VI(BAT)
VI(BAT)
V(PRECHG)
V(TAPER)
V(TERM)
VI(SET)
VI(SET)
RECHARGE
DEGLITCH
CHARGE
CONTROL,
TIMER,
AND
DISPLAY
LOGIC
PRECHARGE
TAPER
DEGLITCH
TERM
DEGLITCH
I(FAULT) ENABLE
I(DETECT) ENABLE
CHG ENABLE
VI(BAT)
BAT
PG
PG
STAT1
STAT2
Dotted lines represent optional features
UDG−02108
7