45
over SOC and even temperature. Figure 21 & Figure 22 show the two different voltages for each SOC point at
23 °C.
Figure 21 – AMP20 cell voltage vs. SOC at 23 °C
Figure 22 – AMP20 cell vSOC sensitivity to OCV error
3.10
3.15
3.20
3.25
3.30
3.35
3.40
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
vo
lta
ge
(V)
DOD
Average DOD-OCV hysteresis
Average voltage (V)
3.10
3.15
3.20
3.25
3.30
3.35
3.40
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
vo
lta
ge
(V)
DOD
Average DOD-OCV hysteresis
Average voltage (V)
40%
3.3V
