IRMCF312TR International Rectifier, IRMCF312TR Datasheet - Page 5

• Manufacturer Part Number: IRMCF312TR
• Description: IC MOTOR CTRL RAM 2CH 100-QFP
• Manufacturer: International Rectifier

Specifications of IRMCF312TR

• 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: 100-LQFP
• Motion Control Description: Dual Channel Sensorless PM Motor Control IC
• Package: QFP100
• Moisture Sensitivity Level: MSL3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -

2 IRMCF312 Block Diagram and Main Functions
IRMCF312 block diagram is shown in Figure 2.
IRMCF312 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
Figure 2. IRMCF312 Internal Block Diagram
TM
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IRMCF312
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