IRPT1059 डेटा पत्रक PDF( Datasheet डाउनलोड )

डेटा पत्रक - Integrated Power Stage for 1hp Motor Drives - International Rectifier

भाग संख्या IRPT1059
समारोह Integrated Power Stage for 1hp Motor Drives
मैन्युफैक्चरर्स International Rectifier 
लोगो International Rectifier लोगो 
पूर्व दर्शन
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<?=IRPT1059?> डेटा पत्रक पीडीएफ

IRPT1059 pdf
System Description
The IRPT1059C
provides the complete
conversion function for a 1hp (0.75kW) variable frequency,
variable voltage, AC motor controller. The
combines a power module IRPT1059A with a Driver-Plus Board
IRPT1059D. Figure 1 shows the block diagram of the
within an AC motor control system.
The power module contains a single-phase input bridge
rectifier, 3-phase IGBT inverter, current sense shunts, and a
thermistor. It is designed for easy mounting to a heat sink. The
Driver-Plus Board contains DC link capacitors, capacitor soft
charge function using NTC thermistor, surge suppression MOV,
IGBT gate drivers, DC bus voltage and current feedback signals,
protection circuitry and local power supply. It is designed to mate
with a controller board through a single row header. Terminal
blocks are provided on the Driver-Plus Board for all end user line
input and motor output.
Output power is Pulse-Width Modulated (PWM) 3-phase,
variable frequency, variable voltage controlled by an externally
generated user-provided PWM controller for inverter IGBT
switching. The power supply offers the user non-isolated 5V and
15V to power the micro-controller.
The IRPT1059C offers several benefits to the drive
manufacturer listed below:
It greatly simplifies component selection, design of layout,
interconnection, gate drive, local power supply, thermal
sensing, current sensing and protection.
Gate drive and protection circuits are designed to closely
match the operating characteristics of the power
semiconductors. This allows power losses to be minimized and
power rating to be maximized to a greater extent than is
possible by designing with individual components.
It reduces the effort of calculating and evaluating power
semiconductor losses and junction temperature.
It reduces the manufacturer's part inventory and simplifies
[ specifications and ratings are given for system
input and output voltage and current, power losses and heat sink
requirements over a range of operating conditions.
system ratings are verified by IR in final testing.]
The IRPT1059A Power Module
The IRPT1059A Power Module, shown in figure 2, is a chip
and wire epoxy encapsulated module. It houses input rectifiers
output inverter, current sense shunts and NTC thermistor. The
single-phase input bridge rectifiers are rated at 800V. The
inverter section employs 600V, short circuit rated, ultrafast
IGBTs and ultrafast freewheeling diodes. Current sensing is
achieved through 45mlow inductance shunts provided in the
positive and negative DC bus rail. The NTC thermistor
provides temperature sensing capability. The lead spacing on the
power module meets UL840 pollution level 3 requirements.
The power circuit and layout within the module are carefully
designed to minimize inductance in the power path, to reduce
noise during inverter operation and to improve the inverter
efficiency. The Driver-Plus Board required to run the inverter
can be soldered to the power module pins, thus minimizing
assembly and alignment. The power module is designed to be
mounted to a heat sink with two screw mount positions, in order
to insure good thermal contact between the module substrate and
the heat sink.
Figure 2. IRPT1059A Power Module
page 2

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