DG-IRMCK203 Datasheet, PDF (6/67 Pages) International Rectifier – Application Developer’s Guide

IRMCK203 Application Developer’s Guide
System
Clock
33MHz
Crystal
SPI Interface
To PC
MAX232A
OSC1CLK
OSC2CLK
SPICLK
SPIMISO
SPIMOSI
SPICSN
TX
RX
BAUDSEL[1:0]
Optional
microcontroller
8051
uP
Discrete
I/O
switches
HPD[0-7]
HPOEN,HPWEN
HPCSN,HPA
STARTSTOP
DIR
ESTOP
FLTCLR
SYNC
Bi-Color
LED
LED
Serial EEPROM AT24C01A
FAULT
SCA
SCL
REDLED
GREENLED
Analog Output
DAC0
DAC1
DAC2
DAC3
PWMUH
PWMUL
PWMVH
PWMVL
PWMWH
PWMWL
BRAKE
GATEKILL
FAULTCLR
Gate Drive
&
IGBTs
IRMCK203
Digital Control
IC
5V
IFB0
Isolator
5V
IFB1
Isolator
PO _IR2175
PO _IR2175
ADCLK
ADOUT
ADCONVST
ADS7818
4051
ADMUX0
ADMUX1
ADMUX2
RESSAMPLE
CHGO
BYPASSCLK
BYPASSMODE
PLLTEST
LPVSS
PLL Low Pass
FIlter
Motor Phase
Shunt
Motor Current
Motor Phase Sensing
Shunt
Analog Speed
Reference
DC bus voltage
2-leg shunt
current
sensing
(optional)
Figure 1. Typical Application Connections of IRMCK203
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