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BQ2005STR データシート(PDF) 8 Page - Texas Instruments

部品番号 BQ2005STR
部品情報  Fast- Charge IC for Dual- Bat tery Packs
PDF  22 Pages
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メーカー  TI2 [Texas Instruments]
ホームページ  https://www.ti.com
Logo TI2 - Texas Instruments

BQ2005STR データシート(HTML) 8 Page - Texas Instruments

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8
Battery
Temperature?
V
HTF < VTEMP < VLTF
Trickle
CHG = 1/8s
flash
FCC = high
Fast
CHG = low
FCC = high
Charge
Pending
Battery Voltage?
V
EDV < VCELL < VMCV
and
V
HTF < VTEMP < VLTF
V
EDV < VCELL < VMCV
Top-off
CHG = high
FCC = low
V
TEMP > VLTF or
V
TEMP < VHTF
V
TEMP < VTCO
or Maximum
Time Out
V
CELL > VMCV
V
CELL < VEDV
- V or T/ t or
V
TEMP < VTCO or
Maximum Time Out
Battery
Absent
Discharge
CH
A = 1/8s
flash
FCC
A = high
Top-off
selected?
Yes
No
Charge
Complete
Trickle
CHG = high
FCC = high
V
CELL > VMCV
V
CELL <
V
MCV
t >
t
MCV
V
CELL > VMCV
V
CELL >
V
MCV
V
CELL >
V
MCV
V
CELL <
V
EDV
V
CELL >
V
MCV
Trickle
CHG = high
FCC = low
New Charge Cycle
Started by either one of:
rising to valid level
Battery replacement
(VCELL falling through V
MCV
)
DCMDA tied to
ground?
(channel A only)
No or
Yes
Rising edge
on DCMD
A
channel B
Trickle
CHG = high
FCC = high
VCC
SD2005
Figure 4. State Diagram
bq2005



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