Cirrus Logic AN365 - Manual (Page 6)

AN365
6 AN365REV1
4.1.2 Reactive Energy Load Performance
Power Factor Load Current (A) Current Dynamic Range (x:1) Error
sin  = 1
80 1 0.00%
8 10 0.01%
0.8 100 0.01%
0.16 500 -0.02%
0.08 1000 -0.02%
0.04 2000 -0.01%
0.03 3333 0.00%
0.02 4000 -0.03%
Lagging sin  = 0.5
80 1 0.23%
8 10 0.24%
0.8 100 0.17%
0.16 500 0.21%
0.08 1000 0.16%
0.04 2000 0.22%
Leading sin  = 0.5
80 1 -0.20%
8 10 -0.20%
0.8 100 -0.26%
0.16 500 -0.23%
0.08 1000 -0.25%
0.04 2000 -0.24%
Table 4. Reactive Energy Load Performance
-1
-0.5
0
0.5
1
0.01 0.1 1 10 100
Percentage Error (%
)
Load Current (A)
sin ࢥ = 1 Lagging sin ࢥ = 0.5 Leading sin ࢥ = 0.5
Figure 5. Reactive Energy Load Performance