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IRMCF171 Datasheet(PDF) 5 Page - International Rectifier |
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IRMCF171 Datasheet(HTML) 5 Page - International Rectifier |
5 / 36 page IRMCF171 5 www.irf.com © 2013 International Rectifier April 20, 2013 1 Overview IRMCF171 is a new generation International Rectifier integrated circuit device primarily designed as a one-chip solution for complete inverterized appliance motor control applications. Unlike a traditional microcontroller or DSP, the IRMCF171 provides a built-in closed loop sensorless control algorithm using the unique flexible Motion Control Engine (MCETM) for permanent magnet motors as well as induction motors. The MCE TM consists of a collection of control elements, motion peripherals, a dedicated motion control sequencer and dual port RAM to map internal signal nodes. IRMCF171 also employs a unique single shunt current reconstruction circuit in addition to two leg shunt current sensing circuit to eliminate additional analog/digital circuitry and enables a direct shunt resistor interface to the IC. Motion control programming is achieved using a dedicated graphical compiler integrated into the MATLAB/SimulinkTM development environment. Sequencing, user interface, host communication, and upper layer control tasks can be implemented in the 8051 high-speed 8-bit microcontroller. The 8051 microcontroller is equipped with a JTAG port to facilitate emulation and debugging tools. Figure 1 shows a typical application schematic using the IRMCF171. IRMCF171 contains 64 Kbytes of Flash program memory. The IRMCK171 contains 32 Kbytes OTP memory and is intended for high volume production purposes while the IRMCF171 is intended for flexible volume production. Both the Flash and ROM versions come in a 48-pin QFP package with identical pin configuration to facilitate PC board layout and transition to mass production. IRMCF171 Power Supply IRS2336D PM motor IPM or SPM Or IM motor Passive EMI Fillter Digital I/O Analog Input Host Communication (RS232C) Appliance PM motor Drive 3.3V Gate signal 15V EEPROM 6 2 8 Galvanic isolation Optional Figure 1. Typical Application Block Diagram Using IRMCF171 |
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Similar Description - IRMCF171_15 |
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