KSC-25L
3
FLOW CHART
START
Does T, S
contact?
No
No
Yes
Yes
open/short
check
Temperature
check
T 0°C or T 40°C
0°C
T 40°C
Give +B terminal power
8.65V, 60mA, 5 second
Stand-by
temperature
LED: Red
Error battery
LED: Red Flash
Go to START
when T contact is off
Error battery
timer stop
LED: Red Flash
Go to START
when T contact is off
Battery distinguish
Voltage and
open/short
check
Above 5.8V
Below 5.8V
Above 8.55V or Below 0.5V
Rapid charge
Constant current
945mA
Constant voltage
8.4V
180min. timer start
LED: Red
Stand-by temperature
timer hold
LED: Red or Green
Stand-by temperature
timer hold
LED: Red
Stand-by temperature
timer recount
Total 120min.
Detected full charge
Finish charge
timer stop
LED: Green
100mA
Times 2
Times 2
Li-ion : Vs = VB , when Battery is not in charger set.
Vs = 1/3 VB, when Battery is in charger set.
Therefore Ni-Cd/Ni-MH voltage must consider Vf
of protected reverse connection diode.
charge condition and on temperature stand-by condition.
A2
A3
A2
Low voltage battery
charge: 150mA
180min. timer start
LED: Red
A2
About 5.8V
180min. timer stop
Above 8.85V
Below 7.6V
T 45°C
T
57°C
Count times
T
0°C
0°C T 45°C
timer recount
T 57°C or
T 0°C
timer recount
0°C T 45°C
A2
A3
VB >8.85V
No
Yes
Are output
terminal shorted?
No
Yes
Error battery
LED: Red Flash
Timer STOP
A1
Does T, S
contact?
GO to START
Yes
No
A1
A1
VB >8.85V
Yes
VB >8.85V
VB >8.85V
VB >8.85V
5.5V >VB
No
A3