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User Manual

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Revision 1.4

2020-07-16

EVAL-M3-IM564 User Manual

iMOTION™ Modular Application Design Kit

Hardware description of EVAL-M3-IM564

The configuration of PFC topology in MCEWizard is shown in Figure 12.

Figure 12 Vac sensing method configuration for EVAL-M3-102T and EVAL-M3-IM564

The high-side resistors R1 and R2 or R9 and R10 for the AC voltage sensing resistor divider on the power board

EVAL-M3-IM564 is 2000 kΩ, and should be configured in MCEWizard as shown in Figure 13. For the low-side

resistor value, please refer to the User Manual of the corresponding control board.

Figure 13 AC voltage sensing configuration in MCEWizard

4.1.2

Hardware modification for AC voltage sensing to work with IRMCF188

As mentioned in the previous setion, AC voltage sensing is by default in front of the D1 rectifier bridge for the

EVAL-M3-IM564 power board, as shown in Figure 10. But for the control board EVAL-M3-188 with controller IC

IRMCF188, AC voltage sensing should be behind the rectifier bridge D1. To work with control board EVAL-M3-

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