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BQ2002CSN Datasheet(PDF) 3 Page - Texas Instruments

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No. de pieza BQ2002CSN
Descripción Electrónicos  NiCd/NiMH Fast-Charge Management IC
PDF  12 Pages
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

BQ2002CSN Datasheet(HTML) 3 Page - Texas Instruments

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3
bq2002C
Chip on
VCC
4.0V
Battery Voltage
too High?
Battery
Temperature?
Charge
Pending
Fast
LED =
Low
SD2002C.eps
Battery Voltage
too Low?
VBAT < 2V
VTS < VCC/2
VTS > VCC/2
VBAT > 0.84V and
VBAT < 2V and
VTS > VCC/2
VBAT < 0.84V
0.84V < VBAT
VBAT > 2V
Trickle
LED =
Flash
Trickle
LED = Z
VBAT > 2V or
VTS < VCC/2 or
PVD or - V or
Maximum Time Out
VBAT > 2V
VBAT
2V
Figure 2. State Diagram
OSC
TM
CC
LED
VCC
VSS
BAT
INH
Clock
Phase
Generator
Timing
Control
Sample
History
A to D
Converter
MCV
Check
Power
Down
TS
Bd2002CEG.eps
Voltage
Reference
Power-On
Reset
TCO
Check
HTF
Check
LBAT
Check
Charge-Control
State Machine
PVD, - V
ALU
Figure 3. Block Diagram



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