IRMCF312 International Rectifier, IRMCF312 Datasheet - Page 5
IRMCF312
Manufacturer Part Number
IRMCF312
Description
Dual Channel Sensorless PM Motor Control IC
Manufacturer
International Rectifier
Datasheet
1.IRMCF312.pdf
(35 pages)
Specifications of IRMCF312
Motion Control Description
Dual Channel Sensorless PM Motor Control IC
Package
QFP100
Moisture Sensitivity Level
MSL3
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IRMCF312TR
Manufacturer:
International Rectifier
Quantity:
10 000
Company:
Part Number:
IRMCF312TY
Manufacturer:
International Rectifier
Quantity:
10 000
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
5