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| BQ24004_12 Datasheet, PDF (6/27 Pages) Texas Instruments – TWO-CELL Li-ION CHARGE MANAGEMENT IC | |||
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bq24004
bq24005
bq24006
SLUS476F â DECEMBER 2000 â REVISED MAY 2012
FUNCTIONAL BLOCK DIAGRAM
IN
ISNS
VCC
+
-
0.2*V(ilim)
V(ilim)
+
UVS
-
V(uvlo)
TaperDet
-
+
Precharge
ChipEN
ChargeOK
V(ref)
LowV
OverV
EN
VSEL
H: V(reg) = 8.4 V/Cell
L: V(reg) = 8.2 V/Cell
R9
R8
Power On
Delay
Bias and
Ref
Generator
V(ref) V(uvlo)
HighV
LowV
V(ref)
APG/
THERM
+
CLRFLT
PWRDWN
-
+
Thermal
-
Shutdown
UVS
TMR SEL
TaperDet
PWRDWN
PWRDWN OSC
Charge Control, Charge Timer
and
Display Logic
REG
ChargeOK
CR
www.ti.com
OUT
VSENSE
AGND
GND/
HEATSINK
VCC
STAT1
VCC
STAT2
Two Open
Drain
Outputs
for
bq24005
6
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Copyright © 2000â2012, Texas Instruments Incorporated
Product Folder Link(s): bq24004 bq24005 bq24006
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