RMCF371

www.DataSheet4U.com IRMCF371 Outline Sheet No. 11-03-06 IRMCF371 Sensorless Motor Control IC for Appliances Features „ „ „ „ „ „ „ „ „ „ „ „ „ „ „ „ MCE (Motion Control Engine) - Hardware based computation 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 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 IRMCK371, OTP-ROM version 1.8V/3.3V CMOS TM Product Summary Maximum crystal frequency Maximum internal clock (SYSCLK) frequency Sensorless control computation time MCE TM 60 MHz 128MHz 11 μsec typ 16 bit signed 8K bytes 2 μsec 16 bits/ SYSCLK 4 12 bits 2 μsec 2 SYSCLK 8 bits 57.6K bps 13 QFP48 computation data range Program RAM loaded from external EEPROM 48K bytes Data RAM GateKill latency (digital filtered) PWM carrier frequency counter A/D input channels A/D converter resolution A/D converter conversion spee...