STEVAL-IHM021V2
100 W, 3-phase inverter based on the L6390 and UltraFASTmesh™
MOSFET for speed FOC of 3-phase PMSM motor drives
Data brief
Features
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Wide range input voltage
Maximum power: up to 100 W at 230 Vac input
STD5N52U power MOSFET (4.4 A, 520 V)
Compatible with other power switches in DPAK
packages (i.e. the STGD6NC60HD or
STGDL6NC60DI)
15 V auxiliary power supply connector
Motor control connector for interfacing with
STM32-based control stages
Three shunt resistor-based motor current
sensing network
Target applications: refrigerator compressors
and dishwasher pumps
RoHS compliant
STEVAL-IHM021V2
frequencies lower and higher than 10 kHz,
respectively. In either case, no replacement of the
switches driving the network is required.
The board is compatible with 110 and 230 Vac
mains, and includes a power supply stage using
the VIPer12A-E (in buck configuration) to
generate the +15 V and +3.3 V supply voltage
required by the application. The board can be
interfaced with the STM3210B-EVAL (STM32
microcontroller demonstration board) through the
dedicated motor control connector.
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Description
The STEVAL-IHM021V2 demonstration board
implements a 100 W, 3-phase inverter for field-
oriented control (FOC) of permanent magnet
synchronous motors (PMSM).
The 3-phase inverter bridge is based on the
STD5N52U power MOSFET with enhanced fast
body-drain recovery diode in a DPAK package,
and the L6390. The L6390 represents the latest in
high-voltage half-bridge gate drivers featuring an
integrated comparator for hardware protection
against overcurrent, overtemperature, etc. The
device also features an embedded operational
amplifier suitable for advanced current sensing.
The STEVAL-IHM021V2 has been specifically
designed to achieve fast and accurate
conditioning of the three shunt resistor-based
motor current feedback network, matching the
requirements typical for high-end applications
such as field-oriented motor control.
As an alternative to the STD5N52U, the
STGD6NC60HD or STGDL6NC60DI IGBT
devices may also be used on the board for
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For further information contact your local STMicroelectronics sales office.
Schematic diagrams
STEVAL-IHM021V2
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Figure 1.
Schematic diagrams
Inverter schematic
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Figure 2.
Power supply schematic
Schematic diagrams
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Revision history
STEVAL-IHM021V2
2
Revision history
Table 1.
Date
25-Feb-2010
Document revision history
Revision
1
Initial release.
– Added part number STGDL6NC60DI to the
Features
and
Description
sections of the coverpage.
– Replaced part number STD5NK52ZD with STD5N52U in the
Description
section of the coverpage.
– Modified
Figure 1: Inverter schematic
– Textual modifications in the
Description on page 1.
Changes
10-Nov-2011
2
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STEVAL-IHM021V2
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