IRMCK371 International Rectifier, IRMCK371 Datasheet - Page 6

• Manufacturer Part Number: IRMCK371
• Description: A high performance OTP based motion control IC designed primarily for appliance applications.
• Manufacturer: International Rectifier

Specifications of IRMCK371

• Package: QFP48

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2 IRMCK371 Block Diagram and Main Functions
IRMCK371 block diagram is shown in Figure 2.
IRMCK371 contains the following functions for sensorless AC motor control applications:
•
Motion Control Engine (MCE
o Proportional plus Integral block
o Low pass filter
o Differentiator and lag (high pass filter)
o Ramp
o Limit
o Angle estimate (sensorless control)
o Inverse Clark transformation
o Vector rotator
o Bit latch
o Peak detect
o Transition
o Multiply-divide (signed and unsigned)
Figure 2. IRMCK371 Internal Block Diagram
TM
)
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© 2007 International Rectifier
IRMCK371