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BQ24012DRCRG4 Datasheet(PDF) 10 Page - Texas Instruments

Part # BQ24012DRCRG4
Description  SINGLE-CHIP, LI-ION CHARGE MANAGEMENT IC FOR HANDHELD APPLICATIONS (bq TINY)
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24012DRCRG4 Datasheet(HTML) 10 Page - Texas Instruments

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bq24010,bq24012, bq24013, bq24014
SLUS530F − SEPTEMBER 2002 − REVISED AUGUST 2005
www.ti.com
10
Yes
No
No
Yes
Indicate Fault
Yes
No
Yes
No
Regulate Current
or Voltage
No
POR
Yes
No
Yes
No
No
Fault Condition
Yes
Yes
Indicate DONE
Turn off charge
Indicate SLEEP
MODE
SLEEP MODE
Suspend charge
No
No
Yes
No
No
Yes
Yes
No
Yes
Enter Battery
Absent
Detection
No
Yes
Yes
UDG−02110
VCC > VI(BAT)
checked at
all times
VI(BAT) < V(LOWV)
Reset and Start
t(PRECHG) timer
Regulate
IO(PRECHG)
Reset all timers
start t(CHG)
timers
VI(BAT) < V(LOWV)
TJ < t(SHTDWN)
TJ < t(SHTDWN)
t(PRECHG)
expired?
t(CHG)
expired?
VI(BAT) < V(LOWV)
Enable
I(FAULT)
current?
VI(BAT) > V(RCH)
?
VI(BAT) > V(RCH)
?
I(TERM)
detection
?
t(TAPER)
expired?
Disable
I(FAULT)
current?
VI(BAT) < V(RCH)
?
I(TAPER)
detection
?
Indicate
Charge-in-Progress
Indicate
Charge Suspend
Indicate
Charge-in-Progress
Figure 5. Operational Flow Chart


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