IRMCK371

Data Sheet No. PD60336 IRMCK371 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 Support Induction motor sensorless FOC 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 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 Internal ‘One-Time Programmable’ (OTP) memory and internal RAM for final production usage Pin compatible with IRMCF371, RAM version 1.8V/3.3V CMOS TM Product Summary Maximum crystal frequency Maximum internal clock (SYSCLK) frequency Maximum 8051 clock frequency Sensorless control computation time MCE TM 60 MHz 128 MHz 33 MHz 11 μsec typ 16 bit signed 64K bytes 8K bytes 2 μsec 16 bits/ SYSCLK 4 12 bits 2 μsec 2 SYSCLK 8 bits 57.6K bps 13 QFP48 -40°C ~ computation data range 8051 OTP Program memory MCE program and Data RAM GateKill latency (digital filtered) PWM carrier frequency counter A/...