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GUI and evaluation procedure
3
Start the test again if the returned status is different.
5.3
Efficiency
Efficiency measurements are performed on a Qi certification tester.
The STEVAL-ISB044V1 transmitter is supplied by 12 V/2 A and the receiver voltage level is
12 V (MP1B).
P
is the output power actually measured at the receiver output (not only at the rectifier
OUT
output) and P
Efficiency is measured with a setup configuration as per the picture below.
The figure below shows the typical performance on different coils (efficiency=P
36/57
Figure 45: STSW-STWBCGUI: QFOD test result
is the input power.
IN
Figure 46: Efficiency setup
DocID031141 Rev 1
UM2301
/P
).
OUT
IN
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