IRMCK201 International Rectifier Corp., IRMCK201 Datasheet - Page 8

• Manufacturer Part Number: IRMCK201
• Description: High Performance Configurable Digital Ac Servo Control Ic
• Manufacturer: International Rectifier Corp.

Detailed Block Diagram
PWM ACTIVE
FLTCLR
Address
START
FAULT
Control
STOP
SYNC
Data
DIR
RCV
SND
RTS
CTS
SCK
SDO
SDI
CS
Communication Modules
17
INT_REF
Closed Loop Velocity Control, Sequencing Control
RS232C/
Interface
Interface
Interface
Parallel
RS422
Slave
Update Rate = PWM carrier frequency / 2
SPI
Reference
Sequence
Select
Control
Accel Rate
Host Register
+/-16383 = +/-max_speed
Interface
RAMP
Decel
Rate
EXT_REF
+
Figure 2.
-
SPDKP
SPDKI
PI
IQLIM-
Configuration
Monitoring
Registers
Registers
IQLIM+
INT_VQ
IRMCK201
IDREF
Velocity
Control
Enable
Detailed Block Diagram of IRMCK201
IQREF
REF scale
+
O
+
I2
-
I1 x I2
I3
-
+/-16383 = +/-4X of rated current for IQ
+/-4095 = +/-rated ID for IM field flux
Slip gain
4096
CURKP
I3
I1
I2
I1
CURKI
I1 x I2
Update Rate = PWM carrier frequency x1 or x 2
IQ
ID
PI
PI
I3
- VQLIM
- VDLIM
4096
I3
O
VDLIM
IQ scale
ID scale
VQLIM
O
O
I2
I2
I1 x I2
I1 x I2
Closed Loop Current Control
INT_VD
dt
I3
I3
0
4096
4096
VD enable
I3
I3
I1
I1
+
Slip gain
enable
+
VD
VQ
Feedforward
+
path enable
e
 j
+
e
 j
2/3
INT_DAC1
INT_DAC2
INT_DAC3
INT_DAC4
VQS
VDS
IW
IV
CurrentSense
Current Sense
PWMmode
DCV_FDBK
GSenseU
Space Vector
Optional
Optional
SpdScale
AngleScale
PWM
PWMen
EncType
Offset W
GSenseL
Current
2
DAC module
Quadrature
Decoding
interface
interface
IR2175
IR2175
ADS7818
ModScl
2Pen
interface
4ch
InitZ
MaxEncCount
DC bus dynamic
A/D
brake control
Offset V
Current
Zpol
Dea
time
InitZval
Dtime
d
2
3
6
3
CNVST
MUX
DATA
CLK
Current W
BRAKE
Current V
Signals
FAULT
Hall A/B/C
Encoder
Gate
Encoder
DAC_PWM1
DAC_PWM2
DAC_PWM3
DAC_PWM4
Motor
Phase
Motor
Phase
A/B/Z
8 channel
Interface
Serial
A/D