IRMCF171 查看數據表（PDF） - International Rectifier

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IRMCF171

High Performance Sensorless Motor Control IC

International Rectifier 

Release Datasheet Rev. A

IRMCF171

High Performance Sensorless Motor Control IC

Description

IRMCF171 is a high performance flash memory based motion control IC designed primarily for appliance

applications. IRMCF171 is designed to achieve low cost yet high performance control solutions for advanced

inverterized appliance motor control. IRMCF171 contains two computation engines integrated into one monolithic

chip. One is the Flexible Motion Control Engine (MCETM) for sensorless control of permanent magnet or induction

motors; the other is an 8-bit high-speed microcontroller (8051). The user can program a motion control algorithm

by connecting 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 fully supports single or leg shunt current reconstruction. The MCE and 8051

microcontroller communicate 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 development including a flash programmer. IRMCF171

comes in a 48 pin QFP package.

Features

 MCETM (Flexible Motion Control Engine) -

Dedicated computation engine for high efficiency

sinusoidal sensorless motor control

 Built-in hardware peripheral for single or two shunt

current feedback reconstruction and analog

circuits

 Supports induction machine and both interior and

surface permanent magnet motor sensorless

control

 Loss minimization Space Vector PWM

 Two-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

 Two special timers: periodic timer, capture timer

 Watchdog timer with independent internal clock

 Internal 64 Kbyte flash memory

 5V tolerant I/O

 3.3V single supply

Product Summary

Maximum clock input (fcrystal)

Maximum Internal clock (SYSCLK)

Maximum 8051 clock (8051CLK)

Sensorless control computation time

MCETM computation data range

8051 Program Flash

805/MCE Data RAM

MCE Program RAM

GateKill latency (digital filtered)

PWM carrier frequency

A/D input channels

A/D converter resolution

A/D converter conversion speed

Analog output (PWM) resolution

UART baud rate (typ)

Number of digital I/O (max)

Package (lead free)

Typical 3.3V operating current

60 MHz

120MHz

30MHz

35 μsec@100MHz

16 bit signed

52KB

4KB

12KB

2 μsec

20 bits/ SYSCLK

7

12 bits

2 μsec

8 bits

57.6K bps

14

QFP48

30mA

Base Part Number

IRMCF171

IRMCF171

Package Type

LQFP48

LQFP48

Standard Pack

Form

Tape and Reel

Quantity

2000

Tray

2500

Orderable Part Number

IRMCF171TR

IRMCF171TY

1 www.irf.com

© 2013 International Rectifier

April 20, 2013

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