UM0900 datasheet(39/43 Pages) STMICROELECTRONICS

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UM0900

Using the STEVAL-IHM025V1 with STM32 FOC firmware library

Doc ID 17028 Rev 1

39/43

An isolated AC power supply can be constructed using an isolation transformer and

a variable transformer. A schematic of this AC power supply can be found in the “AN438,

TRIAC + Microcontroller: safety precautions for development tools,” application note.

(Although this Application Note was written for TRIAC, the isolation constraints still apply for

switching semiconductor devices such as IGBT or MOSFET).

Note:

Isolating the application rather than the oscilloscope is highly recommended in any case.

10.2

Hardware requirements

To run the STEVAL-IHM025V1 together with the STM32 FOC firmware library, the following

items are required:

●

The board: STEVAL-IHM025V1

●

High voltage insulated AC power supply up to 230 VAC

●

J-link programmer (not included in the package)

●

J-link insulating board (not included in the package)

●

3-phase brushless motor with permanent magnet rotor or a generic 3-phase induction

motor (not included in the package)

●

Insulated oscilloscope (as needed)

●

Insulated multimeter (as needed).

10.3

Software requirements

To customize, compile, and download the STM32 FOC firmware library v2.0 motor control

firmware, the IAR tool “EWARM v5.30” must be installed. The free 32 kB limited version

(referenced as “IAR KickStart Kit™” version) is available for download at:

http://supp.iar.com/Download/SW/?item=EWARM-KS32

10.4

Software modifications

Apart from the parameters header file which can be edited by using the 'FOCGUI

application' downloadable from:

http://www.st.com/mcu/modules.php?name=mcu&file=familiesdocs&fam=110&doc=59

the STM32 FOC firmware library v2.0 was designed in order to be compatible with the

L6386 drivers. In order to make the firmware compatible with IPM STGIPL14K60, the

polarity of the PWM driving the low-side transistors must be changed.

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