8
CTP: flexibility of operation and charger reliability
Due to the high charging currents developed by the CVS8X charger,
heat control is an issue for a travel charger, especially if the travel
charger is used in potentially hot environments such as inside a car
or a van.
To improve the reliability of the device without compromising its
usage flexibility, BLUESHAPE has developed an innovative feature;
CTP
(Charger Thermal Protection) that allows the electronics to
work out the best possible charge profiles without causing damage,
even in adverse temperature conditions.
In case of the charger internal temperature reaching a high level,
the charging current is automatically reduced to avoid possible
damage caused by internal overheating. When the charging speed
is reduced, the internal temperature starts to descend. As soon as
the temperature reaches a safe level, normal charging speed is
resumed.
Through indoor usage,
CTP
features do not normally intervene
(unless the air convection flow path is obstructed or the internal
cooling fan is damaged).
The operation implemented by
CTP
is outlined in the chart below.
CTP - Charger Thermal Protection
14700
14800
14900
15000
15100
15200
15300
500
650
800
957
1107
1260
1410
1560
1710
1860
Time (min)
V
o
lt
ag
e (
m
V
)
1500
2000
2500
3000
3500
4000
4500
Current
(
m
A)
CURRENT
VOLTAGE
Before CTP activation:
charger at normal speed
After CTP activation:
charger at reduced speed
