Greetings everyone,

I am somewhat new into the motor control field, and this is my first post in the Infineon forum! Nice to e-meet you everyone!

I've been trying to implement my IPM module for moving a 3-phase induction motor ( IGCM20F60GA ) but I am having a major issue related to potential difference between the 15V /5V DC line and the 300V DC bus.

Reading the documentation and implementation notes, I can comprehend that the power bus and the control bus must be isolated one from each other. But according to application schematics and examples, I don't understand how is the difference in potential managed.

I am fairly new into these kind of high voltages, so I am not very comfortable yet.

I have tried to do an implementation, but failed catastrophically with some *magic smoke*  involved.
About the implementation, my 300VDC bus came from a 230VAC-300VDC (rectified) power source.
And regarding to the control part, it came from a 230VAC-16VDC small cheap AC-DC switching power supply.

Both grounds of the 300VDC and the 16VDC where connected according to example schematics, and that made the mains circuit breaker to jump.
The positive of the 300VDC was connected to the P terminal, and the 16VDC positive was connected to the VDD.
Between the 16VDC and the GND I had a 100nF capacitor, as recommended...

Here is another aplication circuit i've found, "showing" how the grounds are separate from each other, yet they are connected in the same node...

So... What am I missing ? 
May anyone throw me some light or recommend to me some documentation or reading I should do?

Many thanks in advance.

The datasheet for the IM828-XCC IPM has a minimum recommended DC link supply voltage of 350V. I would like to test a new design using a low DC bus voltage (eg. 12V) and a low voltage motor. Will I experience any issues when using a DC bus voltage below the minimum recommended value?

hello authorized

I use this IPM (IKCM20R60GD). I found another app note. I saw ITRIP PIN.I saw how this pin was used. Can I follow the same steps in this integrated?

Can you send me documents related to this integration that I can use?

Thank for your concern.

hello authorized

I use this IPM (IKCM20R60GD). I found another app note. I saw ITRIP PIN.I saw how this pin was used. Can I follow the same steps in this integrated?

Can you send me documents related to this integration that I can use?

Thank for your concern.

ex. Voc/Ipeakofdevice ,this formula and more

I want to test the CIPOS™ Maxi for percise servo motor controll. Is there way to configure the EVAL-M1-IM828-A with sensored FOC?