Set Bci Parameters For An Active Key 2 - Enfora Enabler LPP G Integration Manual

7.13. Set BCI parameters for an ActiveKey2 - Appendix 3
Example 1: Set BCI parameters for an ActiveKey2, 230mAh Li-Ion battery, and 5V regulated wall charger.
Step 1 - Given:
Variable Value
I 50mA
SYS
V 6.050 V
MAX
C 230mAh
1
R 4.7kohm
ID
Temp_max +60C
Temp_min -20C
C -
2
C -
3
C -
4
C -
5
Vchg1 5.00V
Vchg1_Max = 5.725V
Vchg1_Min = 4.725V
Vchg2 5.00V
Vchg2_Max = 5.05V
Vchg2_Min = 4.95V
Charger3 -
Charger4 -
Charger5 -
Step 2 - Calculate system parameters:
Variable Value
CI CI = 1 x C
Iprechg C
1
I C
EOC 1
T (<#_ci_elements> / 10) x
CI_CHG
(C
0.7 x 60 = 42min
T (1-<#_ci_elements> / 10)
CV_CHG
x C
I
EOC
= 0.3 x 230 x 60/ (0.5 x
(230 -12) + 50)
= 26 min
LPP0108IG001
= 230mA
1
/10 = 23mA
/20 = 12mA
/ CI ) x 60 =
1
x 60 / (0.5 x (CI -
1
) + I )
SYS
Description
AKII idle current
AKII max. voltage on charger input
Battery1 capacity (Nitro battery), ID,
and temp. specs.
Battery2 capacity
Battery3 capacity
Battery4 capacity
Battery5 capacity
Charger1 (USB charger)
Charger2 (Regulated wall supply)
Charger3
Charger4
Charger5
Description
Constant current (800mA max.)
Precharge current (Locosto on)
EOC current
CI charge time (min)
CV charge time (min)
Version - Preliminary – 06/20/08
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