IRMCF312 International Rectifier, IRMCF312 Datasheet - Page 5

• Manufacturer Part Number: IRMCF312
• Description: Dual Channel Sensorless PM Motor Control IC
• Manufacturer: International Rectifier

Specifications of IRMCF312

• Motion Control Description: Dual Channel Sensorless PM Motor Control IC
• Package: QFP100
• Moisture Sensitivity Level: MSL3

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
)
IRMCF312
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