VI. Application Information
Each electrical vehicle design will have different charging parameters. The following are charging
and environmental limits:
Specification
Minimum
Typical
Maximum
Nominal Operating Voltage Range
9V
12V
16V
Functional Operating Voltage
7.2V
16.7V
Recharge
Varies**
104-108%
110%
Operating Temperature –
Normal
-4°F (-20°C)
140°F (60°C)
Operating Temperature –
Extreme
-40°F (-40°C)
185°F (85°C)*
*Severe impact to life of battery
**See C&D for PSOC applications
The following are recommended voltage compensations based on temperature:
Charge Voltage
Voltage
Temp °C (°F)
14.63
-20 (-4)
14.40
25 (77)
14.40
35 (95)
14.33
50 (122)
•
Charge: constant 14.4v
•
Temp compensation = -0.005V/C per Deg C
•
25°C (77°F) < Temp compensation > 35°C (95°F)
•
25°C (77°F) > no Temp compensation < 35°C (95°F)
•
-20°C (-4°F) < no Temp compensation > 50°C (122°F)
Float Charge
Voltage
Temp °C (°F)
13.73
-40 (-40)
13.73
-20 (-4)
13.50
25 (77)
13.50
35 (95)
13.43
50 (122)
13.43
60 (140)
•
Float: constant 13.50v recommended. Can be 13.50-13.80 at 25°C (77°F)
•
Temp compensation = -0.005V/C per Deg C
•
25°C (77°F) < Temp compensation > 35°C (95°F)
•
25°C (77°F) > no Temp compensation < 35°C (95°F)
•
-20°C (-4°F)< no Temp compensation > 50°C (122°F)
14.30
14.35
14.40
14.45
14.50
14.55
14.60
14.65
-40
-20
25
35
50
60
V
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Temperature (DegC)
Charge Voltage vs Temp
