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IRMCF341 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IRMCF341
部品説明 High Performance Appliance Motor Control IC
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



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IRMCF341 Datasheet, IRMCF341 PDF,ピン配置, 機能
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Outline Sheet No. 5-26-06
Advanced Information
IRMCF341
High Performance Appliance Motor Control IC
Features
MCETM(Motion Control Engine) - Hardware based
computation engine for high efficiency sinusoidal
sensorless control for Permanent Magnet AC motors
Built-in hardware peripheral for single shunt current
feedback reconstruction
Supports both interior and surface permanent magnet
motor sensorless control
No external current or voltage sensing OP amp circuit
required
Loss minimization Space Vector PWM
Three-channel analog output (PWM)
Embedded 8-bit high speed microcontroller (8051) for
flexible I/O and man-machine control
JTAG programming port for emulation/debugger
Serial communication interface (UART)
I2C/SPI serial interface
Three general purpose timers/counters
Three special timers: watchdog timer, periodic timer,
capture timer
Three general purpose timers/counters
External EEPROM and internal RAM facilitates
debugging and code development
Pin compatible with OTP ROM version
Product Summary
Maximum clock input (fcrystal)
Maximum internal clock (SYSCLK)
60 MHz
128 MHz
Sensorless control computation time
MCETM computation data range
11 µsec typ
16 bit signed
Program RAM loaded from external EEPROM 48K bytes
Data RAM
8K bytes
GateKill latency (digital filtered)
2 µsec
PWM carrier frequency
14 bits/ SYSCLK
A/D input channels
8
A/D converter resolution
12 bits
A/D converter conversion speed
2 µsec
8051 instruction execution speed
2 SYSCLK
Analog output (PWM) resolution
8 bits
UART baud rate (typ)
57.6K bps
Number of I/O (max)
24
Package
QFP64
Description
IRMCF341 is a high performance RAM based motion control IC designed primarily for appliance applications. IRMCF341 is designed
to achieve low cost and high performance control solutions for advanced inverterized appliance motor control. IRMCF341 contains
two computation engines. One is the Motion Control Engine (MCETM) for sensorless control of permanent magnet motors; the other is
an 8-bit high-speed microcontroller (8051). Both computation engines are integrated into one monolithic chip. The MCETM contains a
collection of control elements implemented in hardware such as Proportional plus Integral, Vector rotator, Angle estimator,
Multiply/Divide, Low loss SVPWM and Single Shunt IFB. The user can program a motion control algorithm by connecting these
control elements using a graphic compiler. Key components of the complex sensorless control algorithms, such as the Angle Estimator,
are provided as complete pre-defined control blocks. A unique analog/digital circuit and algorithm to fully support single shunt current
reconstruction is also provided. The 8051 microcontroller performs 2-cycle instruction execution (60MIPS at 120MHz). The MCE and
8051 microcontroller are connected via dual port RAM for signal monitoring and command input. An advanced graphic compiler for
the MCETM is seamlessly integrated into the MATLAB/Simulink environment, while third party JTAG-based emulator tools are
supported for 8051 software developments. IRMCF341 comes in a small QFP64 pin package.
This document is the property of International Rectifier and may not be copied or distributed without expressed consent.
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