IRMCF341

5

2 IRMCF341 Block Diagram and Main Functions

IRMCF341 block diagram is shown in Figure 2.

Figure 2.

IRMCF341 Internal Block Diagram

IRMCF341 contains the following functions for sensorless AC motor control applications:

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