IRMCK201 datasheet(1/62 Pages) IRF | High Performance Configurable Digital AC Servo Control IC

1 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

Supports AC PM motor or Induction motor

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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