Data Sheet No. PD60313
IRMCF343
Sensorless Motor Control IC for Appliances
Features
MCETM (Motion Control Engine) - ...
Data Sheet No. PD60313
IRMCF343
Sensorless Motor Control IC for Appliances
Features
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
Product Summary
Maximum crystal frequency
60 MHz
Maximum internal clock (SYSCLK) frequency 128 MHz
Sensorless control computation time MCETM computation data range
11 μsec typ 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
...