IRMD22141SS Board Datasheet

IRMD22141SS Datasheet, PDF, Equivalent


Part Number

IRMD22141SS

Description

Demo Board

Manufacture

International Rectifier

Total Page 22 Pages
Datasheet
Download IRMD22141SS Datasheet


IRMD22141SS
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Datasheet rev 2.1
IRMD22141SS
IRMD22141SS Demo Board
For 3-phase / 380V motor drives
IRMD22141SS Demo Board
Up to 1200V DC-bus capability
Up to 50A maximum phase current
Optional on-board phase shunt resistors
3 x IR22141SS devices connected in 3-
phase configuration
On-board bootstrap supply for high-side
gate drive
Full protection of phase-to-phase, DC-bus
and ground short circuit by monitoring IGBT
de-saturation
Fault feedback to ground level
Internal minimum dead time
Anti-shoot-through management
Undervoltage lockout
3.3V digital input/output CMOS compatible
Power Module
Standard ECONO2-6PACK IGBT module
compatible
IGBT short circuit rated up to 1200V/50A.
Easy to mount heat-sink
IR22141SS Demo Board
(Shown with optional IGBT Power Module)
INTRODUCTION
The IRMD22141SS demo board is an evaluation board for IR22141SS gate driver. With three connected
IR22141SS (see the device datasheet), IRMD22141SS is designed to drive 3-phase power modules with
pin-out compatible to ECONO2-6PACK. The board can drive AC or Brushless motors using power modules
with up to 50A output current. The board is a flexible solution for different applications and can be
customized providing place for external components. The control signals are 3.3V CMOS compatible; three-
phase shunt resistor (with sensing pins) can be placed for current loop control; power module short circuits
are managed synchronizing the IGBT turn off in a local network. Board layout reduces the noise coupling
between high and low voltage signals and EM emissions.
Application Block Diagram
(Refer to connections section to
know the interface pins) This
diagram shows the main blocks and
connections of the demo board and
the external components necessary
in a typical motor drive application.
DCbus
AC/DC
Conveter
Low Voltage
Power Supply
System
Control
IRMD2214SS + Power Module
IR22141SS
IR22141SS
IR22141SS
3-phase
half bridge
(Power
Module)
shunt
resistor
shunt
resistor
shunt
resistor
Motor
3-phase
Current Sensor
www.irf.com
page 1/22
Sep 9th, 2004

IRMD22141SS
Datasheet rev 2.1
IRMD22141SS
Table of contents
INTRODUCTION .........................................................................................................................................1
Table of contents......................................................................................................................................2
Table of figures ........................................................................................................................................2
The IR22141SS........................................................................................................................................3
The power module ...................................................................................................................................3
Important Notice.......................................................................................................................................3
BOARD CONNECTORS .............................................................................................................................4
Connection with the system controller .....................................................................................................4
FAULT/SD logic signal .............................................................................................................................5
VCC supply pin ........................................................................................................................................5
VSS ground pin (GND).............................................................................................................................5
Connecting the current sensors ...............................................................................................................5
High power signal connector....................................................................................................................6
Connecting the power module .................................................................................................................6
Test Points ...............................................................................................................................................7
TEST BENCH CONNECTION ....................................................................................................................7
OPERATING DESCRIPTION......................................................................................................................8
Power on sequence .................................................................................................................................8
Normal operating mode............................................................................................................................8
Fault management ...................................................................................................................................8
Multilevel board solution...........................................................................................................................9
BOARD SOLUTIONS................................................................................................................................10
Bootstrap circuit .....................................................................................................................................10
Gate resistances ....................................................................................................................................10
OTHER EXTRA COMPONENTS ..............................................................................................................11
Desat circuit ...........................................................................................................................................11
Clamping Diode for Vs below ground ....................................................................................................11
RC filter on com pin................................................................................................................................12
Fast diode between gate and supply pin ...............................................................................................13
Zener diode to preserve the IGBT gate .................................................................................................13
Optional output shunt resistor ................................................................................................................14
Resistor on vcc ........................................................................................................................................14
BILL OF MATERIAL .................................................................................................................................15
SCHEMATIC .............................................................................................................................................16
LAYOUT ....................................................................................................................................................16
LAYOUT ....................................................................................................................................................17
Table of figures
Figure 1: TOP image of board .....................................................................................................................4
Figure 2: LED connection ............................................................................................................................5
Figure 3: Test bench connection .................................................................................................................7
Figure 4: Power on sequence......................................................................................................................8
Figure 5: Three phase connection...............................................................................................................9
Figure 6: Example of a desaturation detection event ..................................................................................9
Figure 7: Bootstrap circuit..........................................................................................................................10
Figure 8: Desat external filter ....................................................................................................................11
Figure 9: -Vs clamp ....................................................................................................................................12
Figure 10: COM below ground protection..................................................................................................12
Figure 11: Collector-Gate current protection .............................................................................................13
Figure 12: Zener clamp for IGBT gate.......................................................................................................13
www.irf.com
page 2/22
Sep 9th, 2004


Features www.DataSheet4U.com Datasheet rev 2.1 I RMD22141SS IRMD22141SS Demo Board For 3-phase / 380V motor drives • • • • • • • • • • • • • IRMD22141SS Demo Board Up to 12 00V DC-bus capability Up to 50A maximum phase current Optional on-board phase shunt resistors 3 x IR22141SS devices c onnected in 3phase configuration On-boa rd bootstrap supply for high-side gate drive Full protection of phase-to-phase , DC-bus and ground short circuit by mo nitoring IGBT de-saturation Fault feedb ack to ground level Internal minimum de ad time Anti-shoot-through management U ndervoltage lockout 3.3V digital input/ output CMOS compatible Power Module S tandard ECONO2-6PACK IGBT module compat ible IGBT short circuit rated up to 120 0V/50A. Easy to mount heat-sink IR2214 1SS Demo Board (Shown with optional IGB T Power Module) The IRMD22141SS demo b oard is an evaluation board for IR22141 SS gate driver. With three connected IR 22141SS (see the device datasheet), IRMD22141SS is designed to drive 3-phase power modules .
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