IRMCK371TY International Rectifier, IRMCK371TY Datasheet - Page 6

• Manufacturer Part Number: IRMCK371TY
• Description: IC MOTOR CTRL RAM HP 64-QFP
• Manufacturer: International Rectifier

Specifications of IRMCK371TY

• Applications: AC Motor Controller, Permanent Magnet
• Number Of Outputs: 1
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Operating Temperature Classification: Industrial
• Package Type: PQFP
• Package: QFP48
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -
• Lead Free Status / Rohs Status: Compliant

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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