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Complete inverter for low power 3-phase asynchronous motors demonstration board

This demonstration board implements a 3-phase inverter for low power asynchronous electric motors or permanent magnet AC motors up to 50 W. Nominal input voltage for inverter is 230 VAC - standard single phase connecting. This 3- phase inverter is based on 8-bit ST7FMC motor control controller. Main target of this demonstration board is a very low-cost effective 3-phase inverter for permanent magnet AC motor, but with certain modification of software it can be used also for 3-phase asynchronous motors where high efficiency is required and low cost per solution is a must.

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Errata Sheet
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Data Brief

Key Features

  • Voltage Input range 115 VAC to 230 VAC 50 Hz or 60 Hz
  • Total output power 50 W
  • High efficiency
  • Switching PWM frequency 12 - 22 kHz
  • Compliant with EN61000-6-3 and EN61000-6-2
  • Possibility to use two motor types:2-phase motor two sinusoidal voltage waves restored with a phase displacement of 90° between them3-phase motor three sinusoidal voltages with phase displacement of 120° among them


Design Resources


Technical Documentation

Product Specifications

Description Version Size
DB0725: Complete inverter for low power 3-phase asynchronous motors demonstration board
1.1 227 KB

Hardware Resources

Board Manufacturing Specification

Description Version Size
Gerber files for STEVAL-IHM019V1 board
1.0 97 KB

Bill of Materials

Description Version Size
BOM for STEVAL-IHM019V1 board
1.0 29 KB

Schematic Pack

Description Version Size
Board schematics for STEVAL-IHM019V1 board
1.0 42 KB

Sample & Buy

Part Number Marketing StatusCore ProductOrder From STUnit Price (US$)*
@ 1
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STEVAL-IHM019V1NRNDST7FMC1K4T6; STGP6NC60HDBuy Direct141.49Distributor reported inventory date: 2016-02-06
Distributor NameRegionStockMin. order
Newark Element14Order NowAMERICA20

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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