Datasheet

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SLUS462E − SEPTEMBER 2000 − REVISED NOVEMBER 2004
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13
Yes
No
22.5min Timer
Expired?
No
Yes
Indicate Fault
POR?
or
APG/THERM toggle?
or
EN toggle?
Yes
No
Yes
Charge timer
Expired?
No
Indicate Pre−
Charge
Regulate
I
(PRECHG)
Indicate Charge
Regulate Current
or Voltage
Reset and Start
22.5 min Timer
POR
Reset All Timers,
Start Charge Timer
(TMR SEL input )
No
Fault Condition
No
Yes
Indicate DONE
Turn Off Charge
Taper
Detected?
No
No
Yes
Yes
No
Yes
No
Yes
22.5min Timer
Expired?
Yes
Yes
Indicate DONE
Start 22.5 minute
Timer
V
I(VSENSE)
< V
(HIGHV)
?
or
POR?
or
APG/THERM Toggle?
or
EN Toggle?
V
I(VSENSE)
< V
(LOWV)
?
V
I(VSENSE)
> V
(OVERV)
?
V
I(VSENSE)
> V
(OVERV)
?
V
I(VSENSE)
< V
(LOWV)
?
V
I(VSENSE)
< V
(LOWV)
?
Figure 15. Operational Flow Chart