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BQ24103RHLR Datasheet(PDF) 11 Page - Texas Instruments

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Part # BQ24103RHLR
Description  SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER CHARGE-MANAGEMENT IC WITH INTEGRATED POWER FETs (bqSWITCHER??
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24103RHLR Datasheet(HTML) 11 Page - Texas Instruments

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OPERATIONAL FLOW CHART
Battery
Detect?
TS Pin
in LTF to HTF
Range?
Indicate CHARGE
SUSPEND
No
V
BAT<VLOWV
Yes
No
V
BAT<VLOWV
T30min
Expired?
No
Yes
Indicate Fault
Battery
Replaced?
(Vbat < Vrch?)
Yes
No
Yes
FSTCHG Timer
Expired?
No
Suspend Charge
Indicate Charge-
In-Progress
Regulate
I
PRECHG
Indicate Charge-
In-Progress
Regulate
Current or Voltage
Indicate BATTERY
ABSENT
Check for Battery
Presence
No
Reset and Start
T30min timer
TS pin
in LTF to TCO
range?
Indicate CHARGE
SUSPEND
No
Suspend Charge
POR
Yes
Yes
Reset and Start
FSTCHG timer
TS Pin
in LTF to TCO
Range?
I
TERM detection?
Yes
Yes
V
BAT < VRCH?
No
Indicate DONE
Charge Complete
Yes
V
BAT<VLOWV
No
No
- Fault Condition
- Enable I
DETECT
No
Yes
Yes
TS pin
in LTF to HTF
range?
No
TS pin
in LTF to HTF
range?
Indicate CHARGE
SUSPEND
Suspend Charge
No
No
Indicate Charge-
In-Progress
- Turn Off Charge
- Enable I
DISCHG for
t
DISCHG2
Indicate BATTERY
ABSENT
Battery Removed
Yes
Yes
Yes
*
*NOTE: If the TTC pin is
pulled low, the safety timer
and termination are
disabled; the charger
continues to regulate, and
the STAT pins indicate
charge in progress.
If the TTC pin is pulled high
(VTSB), only the safety
timer is disabled
(termination is normal).
bq24100
,, bq24103,, bq24103A
bq24104, bq24105, bq24108, bq24109
bq24113, bq24113A, bq24115
www.ti.com .................................................................................................................................................. SLUS606N – JUNE 2004 – REVISED NOVEMBER 2008
Figure 7. Stand-Alone Version Operational Flow Chart
Copyright © 2004–2008, Texas Instruments Incorporated
Submit Documentation Feedback
11
Product Folder Link(s): bq24100 bq24103 bq24103A bq24104 bq24105 bq24108 bq24109 bq24113 bq24113A
bq24115


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