
User Manual
24
Revision 1.1
2020-07-09
EVAL-M1-IM231-A User Manual
iMOTION
™
Modular Application Design Kit
Schematics and layout
5.4
Auxiliary power supply
Figure 19 depicts the schematic of the auxiliary power supply for the EVAL-M1-IM231-A board. The circuit
includes the latest CoolSET 5 of Infineon and flyback toplogy, directly output 15 V and 6 V. V
CC
is connected to
the gate drivers inside the CIPOS
™
IPM.
Figure 19 Power supply section of the EVAL-M1-IM231-A evaluation board
The linear voltage regulator IFX1117ME V33 generates 3.3 V from 6 V power supply V
CC
. The 3.3 V power supply is
used in the inverter external overcurrent comparator circuit. Both V
CC
and 3.3 V are also present on the 20-pins
iMOTION
™
MADK-M1 interface connector J4 to power circuitry on the control board.