IR 公司的IRMCF343是高性能基于RAM的马达控制,对于高端变频电器马达控制具有低成本和高性能的优势.IRMCF343集成了两个计算引擎:一个是用于无传感器永磁马达控制的运动控制引擎(MCETM),另一个是8位高速MCU(8051).晶振频率最大为60MHz,内部时钟最大为128MHz,无传感器控制计算时间典型为11us,MCETM计算数据范围16位.本文介绍了IRMCF343性能优势和主要特性,方框图和典型应用框图,以及1700W IRMCS3043马达驱动平台主要特性和性能指标与IRMCS3043参考设计套件.
IRMCF343 is a high performance RAM based motion control IC designed primarily for appliance applications. IRMCF343 is designed to achieve low cost and high performance control solutions for advanced inverterized appliance motor control.
IRMCF343 contains two computation engines. One is 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 such as Proportional plus Integral, Vector rotator, Angle estimator, Multiply/Divide, Low loss SVPWM, Single Shunt IFB. The user can program a motion control algorithm by connecting these control elements using a graphic compiler. Key components of the sensorless control algorithms, such as the Angle Estimator, are provided as complete pre-defined control blocks implemented in hardware. 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 to process 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 developments. IRMCF343 comes with a small QFP64 pin lead-free package.

IRMCF343性能总结:
Maximum crystal frequency 60 MHz
Maximum internal clock (SYSCLK) frequency 128 MHz
Sensorless control computation time 11 μsec typ
MCETM computation data range 16 bit signed
Program RAM loaded from external EEPROM 48K bytes
Data RAM 8K bytes
GateKill latency (digital filtered) 2 μsec
PWM carrier frequency counter 16 bits/ SYSCLK
A/D input channels 5
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) 23
Package (lead-free) QFP64

IRMCF343主要特性:
􀂄 MCETM (Motion Control Engine) - Hardware based computation engine for high efficiency sinusoidal sensorless control of permanent magnet AC motor
􀂄 Integrated Power Factor Correction control
􀂄 Supports both interior and surface permanent magnet motors
􀂄 Built-in hardware peripheral for single shunt current feedback reconstruction
􀂄 No external current or voltage sensing operational amplifier required
􀂄 Three/two-phase 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
􀂄 Watchdog timer with independent analog clock
􀂄 Three general purpose timers/counters
􀂄 Two special timers: periodic timer, capture timer
􀂄 External EEPROM and internal RAM facilitate debugging and code development
􀂄 Pin compatible with IRMCK343, OTP-ROM version
􀂄 1.8V/3.3V CMOS

图1.IRMCF343 方框图

图2.IRMCF343典型应用框图

图3.IRMCF343应用连接图

图4.IRMCF343应用电路

IRMCS3043无传感器马达驱动平台
Sensorless Motor Drive Platform with Integrated PFC for Appliance Based on iMOTIONTM Chipset
IRMCS3043 is a reference design platform for IRMCF343, a high performance RAM-based motion control IC designed primarily for appliance applications, up to 1.7kW continuous input power. It’s mainly aimed to achieve simple, low cost and high performance solutions for advanced appliance motor control. It consists of an active PFC frond-end and an inverter stage, both of which are controlled by the IRMCF343 digital IC simultaneously. The power stage contains a Trench IGBT (IRGP4063DPbF) for the PFC and an integrated power module (IRAMX16UP60A-2) for the inverter, which are part of iMOTIONTM chipset. Users can readily evaluate high performance sensorless control with MCEDesignerTM software without spending development effort usually required in the traditional DSP or microcontroller based system. The complete B/Ms, schematics and layout are provided so that the user can adapt and tailor the design per application needs.

IRMCS3043马达驱动平台性能总结:
Continuous input power 1700W*
Continuous output current 6.0 Arms*
Maximum overload output current 20 Apeak**
Maximum Internal clock (SYSCLK) 128 MHz
Sensorles control computation time 11 μsec typ.
RAM loaded from external EEPROM 48 Kbytes
Data RAM 8 Kbytes
A/D input channels 5
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
RS232C baud rate (typ.) 57.6 Kbps

IRMCS3043马达驱动平台主要特性:
 IRMCF343 - iMOTIONTM digital control IC–based system
 MCETM (Motion Control Engine) - Hardware based computation engine for high efficiency sinusoidal sensorless control of Permanent Magnet motors
 Integrated digital power factor correction (PFC)
 Supports both interior and surface permanent magnet motor sensorless control
 Single shunt current feedback reconstruction
 No external current or voltage sensing OP amp circuit required
 230V/1700W continuous power with Trench IGBT for PFC and Integrated Power Module for inverter
 Harmonics complying with EN61000-3-2 Class-A
 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
 I2C serial interface to EEPROM
 MCEDesignerTM tool for easy operation
 Flexible drive configuration
 RS232C interface
 Over-current and over-voltage/under-voltage protection
 EMI filter and switch-mode power supply included

图5.IRMCS3043马达驱动平台外形图

图6.IRMCS3043马达驱动平台框图

IRMCS3043马达驱动平台性能指标:


图7.IRMCS3043参考设计套件