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BQ24400 Datasheet(PDF) 3 Page - Texas Instruments

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Part No. BQ24400
Description  Programmable NiCd/NiMH Fast-Charge Management Device
Download  15 Pages
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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BQ24400 Datasheet(HTML) 3 Page - Texas Instruments

 
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bq24400
4.0 V <VCC <6.0 V
Battery Voltage
(PVD checked at rate
of MTO/64)
Sleep
Mode
Charge
Suspended
Charge
Initialization
Battery
Conditioning
Battery Temperature
(checked 1,750 times
per second)
VBAT <VSLP
VSLP <VBAT <VCC
VBAT <VMCV
VMCV <VBAT <VSLP
Current
Regulation
VBAT <VLBAT or
VTS >VLTF
VTS >VHTF
VTS <VHTF
VLBAT <VBAT <VMCV and
VHTF <VTS <VLTF
VLBAT <VBAT <VMCV and
VHTF <VTS <VLTF
PVD (after hold-off period), or
VTS <VTCO or
Time =MTO
Top-Off
Selected?
Maintenance
Charge
No
Top-Off
Yes
Done
Time =MTO
or
VTS <VTCO
VBAT >VMCV
VBAT >VMCV
VCC Reset or Battery Replacement
VCC Reset
Figure 2. State Diagram
UDG-01088


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