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IRMCF188TY Datasheet(PDF) 7 Page - International Rectifier

Part # IRMCF188TY
Description  High Performance Sensorless Motor Control IC
PDF  38 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IRMCF188TY Datasheet(HTML) 7 Page - International Rectifier

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IRMCF188
7
www.irf.com
© 2014 International Rectifier
March 10, 2017
3
IRMCF188 Block Diagram and Main Functions
IRMCF188 block diagram for leg shunt mode is shown in Figure 3.
Motion Control
Sequencer
Dual Port
RAM
2 kbyte
MCE
Program
RAM
12kbyte
Program
Flash
64kB
S/H
A/D
MUX
D/A
( PWM)
Timer
Counnter0,1,2
Watchdog
Timer
Motion
Control
Modules
UART
I2C
SND
RCV
6
Low Loss
SVPWM
VDCBUS
GATEKILL
To IGBT
gate drive
Mini- Motion
Control
Engine
( MiniMCE)
Monitoring
Host
Interface
Digital
I/Os
8 bit( 8051)
microcontroller
AIN1
AIN2
JTAG
Emulator
Debugger
4
Freq
Synthesizer
2
Ceramic
Resonator
(4MHz)
30MHz
AIN3
Analog
Input
2
Capture
Interrupt
Control
Motor
Current
Reconstruct
Speed
command
PORT1
SCL
SDA
PORT2
PORT3
AIN4
PFC PWM
PFC
Current
Sense
8bit
CPU
Core
Local
RAM
2 kbyte
120MHz
OP2
OP3
OP1
3
3
3
ADCH
ADCL
GATEKILL
To IGBT
gate drive
Figure 3. IRMCF188 Block Diagram
IRMCF188 contains the following functions for sensorless AC motor control applications:
Motion Control Engine (MCE
TM)
Sensorless FOC (complete sensorless field
oriented control)
Proportional plus Integral block
Low pass filter
Differentiator and lag (high pass filter)
Ramp
Limit
Angle estimate (sensorless control)
Inverse Clark transformation
Vector rotator
Bit latch
Peak detect
Transition
Multiply-divide (signed and unsigned)
Adder
8051 microcontroller
Two 16 bit timer/counters
One 16 bit periodic timer
One 16 bit watchdog timer
One 16 bit capture timer
Up to 24 discrete digital I/Os
Ten-channel 12 bit A/D
o
Buffered (current sensing) three
channels (0
– 1.2V input)
o
Unbuffered seven channels (0
–
1.2V input)
JTAG port (4 pins)
Up to three channels of analog output (8 bit
PWM)
UART
I
2C/SPI port



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