Download IRMCF371 Datasheet PDF
International Rectifier
IRMCF371
IRMCF371 is Sensorless Motor Controller manufactured by International Rectifier.
Features - MCETM (Motion Control Engine) - Hardware based putation engine for high efficiency sinusoidal sensorless control of permanent magnet AC motor - 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 - 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 munication 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 patible with IRMCK371, OTP-ROM version - 1.8V/3.3V CMOS Product Summary Maximum crystal frequency 60 MHz Maximum internal clock (SYSCLK) frequency 128 MHz Sensorless control putation time MCETM putation data range 11 μsec typ 16 bit signed Program RAM loaded from external EEPROM 48K bytes Data RAM 8K bytes Gate Kill latency (digital filtered) 2 μsec PWM carrier frequency counter 16 bits/ SYSCLK A/D input channels A/D converter resolution 12 bits A/D converter conversion speed 2 μsec 8051 instruction execution speed 2 SYSCLK Analog output (PWM)...