IRMCK172M
High Performance Sensorless Motor Control IC
Description
IRMCK172M is a high performance One Time Programmable ROM based motion control IC designed and
optimized for appliance control which contains two computation engines integrated into one monolithic chip. One
is the Flexible Motion Control Engine (MCETM) for sensorless control of permanent magnet motors or induction
motors; the other is an 8-bit high-speed microcontroller (8051). The user can program a motion control algorithm
by connecting these control elements using a graphic compiler. Key components of the complex sensorless
control algorithms, such as the Angle Estimator, are provided as complete pre-defined control blocks. A unique
analog/digital circuit and algorithm fully supports single shunt or leg shunt current reconstruction. IRMCK172M
comes in a 48 pin QFN package.
Features
Product Summary
Maximum clock input (fcrystal)
60 MHz
128MHz
32MHz
16 bit signed
2KB
MCETM (Flexible Motion Control Engine) -
Dedicated computation engine for high
efficiency sinusoidal sensorless motor control
Built-in hardware peripheral for single or two
shunt current feedback reconstruction and
analog circuits
Maximum Internal clock (SYSCLK)
Maximum 8051 clock (8051CLK)
MCETM computation data range
8051/MCE Data RAM
Supports induction machine and both interior
and surface permanent magnet motor
sensorless control
MCE Program RAM
12KB
PWM carrier frequency
20 bits/ SYSCLK
7
A/D input channels
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
A/D converter resolution
A/D converter conversion speed
Analog output (PWM) resolution
UART baud rate (typ)
12 bits
2 μsec
8 bits
emulation/debugger
57.6 Kbps
10
Serial communication interface (UART)
I2C/SPI serial interface
Number of digital I/O (max)
Package (lead free)
QFN48
60mA
Internal 32Kbyte OTP ROM
Maximum 3.3V operating current
3.3V single supply
Standard Pack
Base Part Number
Package Type
Orderable Part Number
IRMCK172MTY
Form
Tray
Quantity
1485
IRMCK172M
QFN
Tape and Reel
3000
IRMCK172MTR
Table of Contents
1
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May 28, 2014