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IRMCK341 数据表(PDF) 6 Page - International Rectifier

部件名 IRMCK341
功能描述  Sensorless Motor Control IC
PDF  36 Pages
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制造商  IRF [International Rectifier]
网页  http://www.irf.com
标志 IRF - International Rectifier

IRMCK341 数据表(HTML) 6 Page - International Rectifier

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IRMCK341
www.irf.com
© 2007 International Rectifier
6
2 IRMCK341 Block Diagram and Main Functions
IRMCK341 block diagram is shown in Figure 2.
Figure 2.
IRMCK341 Internal Block Diagram
IRMCK341 contains the following functions for sensorless AC motor control applications:
• Motion Control Engine (MCETM)
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
o
Transition
o
Multiply-divide (signed and unsigned)
8bit
CPU
Core
Motion Control
Sequencer
Motion
Control
Modules
Dual Port
RAM
512 Bytes
*
MCE
Program
RAM
5.5KBytes*
Local
RAM
2KBytes
*
Program
OTP ROM
64KBytes
A/D
MUX
S/H
&
OP Amp
D/A
(PWM)
Timer
Counnter0
Watchdog
Timer
UART0
PORT 1
6
Low Loss
SVPWM
CGATEKILL
To IGBT
gate drive
MCE (Motion Control Engine)
Monitoring
Host
Interface
Digital
I/Os
8051 Microcontroller
AIN1
JTAG
Emulator
Debugger
4
PLL
2
Crystal
(4MHz)
120MHz
(8)
PORT 2
PORT 3
3
Timer
Counnter1
Timer
Counnter2
Periodic
Timer
Interrupt
Control
Single Shunt
Current
Sensing
shunt
resistor
UART1
PORT 4
3
I2C / SPI
EEPROM
Interface
* Sizes are
configurable
DC bus volt
sensing
(8)
(5)
(3)
2
2/4
Clock
divider
MCE Clock
8051
Clock
AIN6
AIN3
AIN4
AIN5
AIN2
Analog
inputs
AIN0



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