User Guide
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Revision 1.0
2020-05-22
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
= 𝑉
𝐷𝐷
∙ (
𝑅9
𝑅8 + 𝑅9
−
𝑅25
𝑅25 + 𝑅6
) ∙
𝑅25 + 𝑅6
𝑅25
∙
1
𝑅𝑠ℎ
6.2.4
AC voltage-sensing configuration
Figure 20 shows the schematic of EVAL-M3-302F evaluation board with VAC sense.
Figure 20
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 21
AC voltage-sensing configuration in MCEWizard 1
