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BQ2000T Datasheet(PDF) 3 Page - Texas Instruments

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Part No. BQ2000T
Description  Programmable Multi-Chemistry Fast-Charge Management IC
Download  16 Pages
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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BQ2000T Datasheet(HTML) 3 Page - Texas Instruments

 
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bq2000T
Charge
Initialization
4.0V < VCC < 6.0V
Sleep
Mode
Charge
Suspended
Battery
Conditioning
Current
Regulation
Voltage
Regulation
Current Taper
or
Time = MTO
Time < MTO
and
VBAT > VMCV
Maintenance
Charge
Done
Top-Off
Yes
No
VCC Reset or Battery Replacement or Capacity Depletion (Li-Ion)
VCC
Reset
VBAT > VMCV
Time = MTO or
VTS < VTCO
∆T/∆t (after hold-off period),
or VTS < VTCO or
Time = MTO
Battery Voltage
(checked at all times)
Battery Temperature
(checked at all times)
Top-Off
Selected?
VBAT < VSLP
VBAT < VMCV
VTS > VHTF
VBAT < VLBAT or
VTS > VLTF
VLBAT < VBAT < VMCV and
VHTF < VTS < VLTF
VLBAT < VBAT < VMCV and
VHTF < VTS < VLTF
VTS < VHTF
VSLP < VBAT < VCC
VMCV < VBAT < VSLP
SD2000T.eps
VBAT > VMCV
Figure 2. State Diagram


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