IRMCK311TR International Rectifier, IRMCK311TR Datasheet - Page 6

• Manufacturer Part Number: IRMCK311TR
• Description: IC MOTOR CTRL OTP 2CH HP 64-QFP
• Manufacturer: International Rectifier

Specifications of IRMCK311TR

• Applications: AC Motor Controller, Permanent Magnet
• Number Of Outputs: 2
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-MQFP, 64-PQFP
• Package: QFP64
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -

www.irf.com
2 IRMCK311 Block Diagram and Main Functions
IRMCK311 block diagram is shown in Figure 2.
IRMCK311 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
Figure 2. IRMCK311 Internal Block Diagram
TM
)
6
© 2007 International Rectifier
IRMCK311