IRMCK311 datasheet(13/36 Pages) IRF

13 / 36 page

IRMCK311

www.irf.com

5 Application Connections

Typical application connection is shown in Figure 5. All components necessary to implement a

complete sensorless drive control algorithm are shown connected to IRMCK311.

P1.2/TXD

P1.1/RXD

P1.3/SYNC/SCK

XTAL0

CPWMUH

CPWMUL

CPWMVH

CPWMVL

CPWMWH

CPWMWL

CGATEKILL

AIN1

To indoor unit

Microcontroller (UART)

Digital I/O

Control

System

Clock

4 MHz

Crystal

Compressor

DC bus shunt

resistor

P2.6/AOPWM0

Analog Output

XTAL1

P1.4/CAP

P3.0/INT2/CS1

RESET

SCL/SO-SI/VPP

P5.3/TDI

JTAG

Control

TCK

P5.1/TMS

P5.2/TDO

0.6V

IFBC+

IFBC-

IFBCO

Other analog input (0-1.2V)

AVDD(1.8V)

AVSS

VDD1

VDD2

VSS

CMEXT

FPWMUH

FPWMVH

FPWMWH

FGATEKILL

PFCGKILL

PFCPWM

FAN motor

DC bus shunt

resistor

0.6V

IFBF+

IFBF-

IFBFO

0.6V

IPFC+

IPFC-

IPFCO

PFC

DC bus shunt

resistor

VAC+

VAC-

VACO

AC line

voltage

Optional External Voltage

Reference (0.6V)

P2.7/AOPWM1

PLLVDD(1.8V)

PLLVSS

SCL/SO-SI

SDA/CS0

Other communication

(I2C)

PLL

Logic

UART0

I2C

PORT1

PORT3

RESET

PWM0

PWM1

JTAG

Interface

Low Loss

Space

Vector

PWM

Low Loss

Space

Vector

PWM

PFC

PWM

S/H

8051

CPU

Dual

Port

Memory

(512B)

MCE

Memory

(5.5KB)

Motion

Control

Modules

Motion

Control

Sequencer

12bit

A/D

MUX

System

clock

Local

RAM

(2KB)

Program

OTP ROM

(64KB)

System

Reset

Watchdog

Timer

UART1

P3.7/TXD1

P3.6/RXD1

To other Host (UART)

DC bus

voltage

AREF

AIN0

FPWMUL

FPWMVL

FPWMWL

Clock

divider

System

Clock

6.75V

3.3V

1.8V

Power

Figure 5.

Application Connection of IRMCK311

IRMCK311 Datasheet(PDF) 13 Page - International Rectifier

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