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IRMCK201 Datasheet(PDF) 1 Page - International Rectifier |
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IRMCK201 Datasheet(HTML) 1 Page - International Rectifier |
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1 / 62 page  Data Sheet No. PD60224 Rev.B IRMCK201 High Performance Configurable Digital AC Servo Control IC Features • Complete closed loop current control (Synchronously Rotating Frame Field Orientation) • Versatile Space Vector PWM • Direct interface to IR2175 current sensing high voltage IC • Direct Encoder interface with multiplexed/non- multiplexed Hall A/B/C signals • Direct interface to IR213x 3-phase gate driver IC • Closed loop velocity control • Configurable architecture o Supports AC PM motor or Induction motor o Closed loop or open loop control • Asynchronous serial communication interface (RS232C, RS422) • Fast SPI interface • 4 channel 12-bit A/D interface with simultaneous sample/hold • 8-bit parallel bus interface for microcontroller expansion (supports most 8-bit microprocessors) • Integrated brake IGBT control • ServoDesignerTM (Configuration Tool) available Product Summary Max. Clock Input (Sysclk) 33.3 MHz Max. PLL clock for current feedback 133.3 MHz Closed loop current control computation time 6 µsec max Closed loop current loop bandwidth (-3 dB) 5.5 kHz Closed loop velocity loop update rate 5 / 10 kHz PWM carrier frequency 83.3 kHz max PWM counter resolution 12 bit Current feedback temp drift/offset calibrated Max SPI clock 8 MHz Package: QFP100 Description IRMCK201 is a complete AC servo motor control IC. It contains closed loop current control for sinusoidal AC current, and closed loop velocity control based on encoder position feedback interface. A standard communication port is provided for RS232C or RS422, in addition to a fast SPI communication interface. Unlike a traditional DSP or a microcontroller, the IRMCK201 does not require any programming effort to complete the complex control algorithm. It allows users to configure the algorithm for specific application needs. Permanent magnet motor or AC induction motor are supported. IRMCK201 facilitates high performance servo design together with the IR2175 current sensing IC and IR213x high voltage 3-phase gate driver IC, which simplifies the hardware design while minimizing cost. For multi-axis applications, IRMCK201 can be used as a multi-drop slave drive based on the SPI protocol. The package is available in a 100-pin QFP. |
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