User Guide
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Revision 1.1
2021-03-21
EVAL-M3-302F User Guide
iMOTION™ Modular Application Design Kit
Hardware description of EVAL-M3-302F
The calculation formula for the threshold is as follows,
𝐼
𝑃𝐹𝐶𝑇𝑅𝐼𝑃
=
(
𝑅35 ∗ 𝑅27 − 𝑅34 ∗ 𝑅29
)
∗ 𝑉
𝐷𝐷
(
𝑅27 + 𝑅29
)
∗ 𝑅34 ∗ 𝑅𝑠ℎ
6.2.4
AC voltage-sensing configuration
Figure 21 shows the schematic of EVAL-M3-302F evaluation board with VAC sense.
Figure 21
The AC voltage-sensing schematic
There are two AC voltage sensing inputs in differential mode. The high-side resistor for the AC voltage-sensing
resistor divider on the power board EVAL-M3-CM615PN is 2000 kΩ, and should be configured in MCEWizard as
shown in Error! Reference source not found..
Figure 22
AC voltage-sensing configuration in MCEWizard 1
