IRMCF312 Datasheet PDF - International Rectifier
| Part Number | IRMCF312 | |
| Description | Dual Channel Sensorless PM Motor Control IC | |
| Manufacturers | International Rectifier | |
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Outline Data Sheet No. 03-10-06
Advanced Information
IRMCF312
Dual Channel Sensorless PM Motor Control IC
MCETM(Motion Control Engine) based sinusoidal sensorless control
Features
Product Summary
MCETM based hardware computation for complex Maximum clock input (crystal)
motor control algorithm
Enable two sensorless PM motor control and digital Internal max clock frequency (SYSCLK)
PFC control
Increase energy efficiency to exceed energy
Sensorless control computation time
guideline
MCETM computation data range
Supports both interior and surface permanent
magnet motors
Program RAM
Built-in hardware peripheral of single shunt current RAM
feedback reconstruction for compressor and fan
motor. No external OP amp required
GateKill latency (digital filtered)
2 channel loss minimization Space Vector PWM
3 channel analog output (PWM)
Embedded 8-bit high speed microcontroller (8051)
PWM carrier frequency data range
A/D input channels
for flexible I/O and man-machine control
JTAG programming port for emulation/debugger
2 channel serial communication interface (UART)
I2C serial interface
Analog watchdog timer, 4 Timer/counter
External EEPROM and internal RAM facilitates
A/D converter resolution
A/D converter conversion speed
8051 instruction execution speed
Analog output (PWM) resolution
debugging and code development
Pin compatible with mask ROM version
3.3V/1.8V CMOS
UART baud rate (typ)
Package
60 MHz
120 MHz
11 μsec typ
16 bit signed
48K byte
8K byte
2 μsec
16 bit
11
12 bit
2 μsec
2 SYSCLK
8 bit
57.6 kbps
QFP100
Description
IRMCF312 is a high performance RAM based motion control IC designed primarily for appliance applications. IRMCF312 is
designed to achieve low cost and high performance control solutions for advanced inverterized appliance motor control.
IRMCF312 contains two computation engines. One is Motion Control Engine (MCETM) for sensorless control of permanent
magnet motors; the other is an 8-bit high speed microcontroller (8051). Both computation engines are integrated into one
monolithic chip. The MCETM contains a collection of control elements such as Proportional plus Integral, Vector rotator, Angle
estimator, Multiply/Divide, Low loss SVPWM, SingleShuntIFB, etc., which are implemented in hardware. The user can
program a motion control algorithm by connecting these control elements using a graphic compiler. Key components of the
sensorless control algorithms, such as the Angle Estimator, are provided as complete pre-defined control blocks. A unique
analog/digital circuit and algorithm to fully support single shunt current reconstruction is also provided. The 8051
microcontroller performs 2-cycle instruction execution (60MIPS at 120MHz). The MCE and 8051 microcontroller are connected
via dual port RAM to process signal monitoring and command input. An advanced graphic compiler for the MCETM is
seamlessly integrated into the MATLAB/Simulink environment, while third party JTAG based emulator tools are supported for
8051 development. IRMCF312 comes with a small QFP100 pin package.
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Preliminary Information
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3 Pinout
IRMCF312
XTAL0
XTAL1
P1.0/T2
P1.1/RXD
P1.2/TXD
P1.3/SYNC/SCK
P1.4/CAP
P1.5
P1.6
P1.7
P4.3/INT6
P4.7/INT10
VDD2
VSS
VDD1
FGATEKILL
FPWMWL
FPWMWH
FPWMVL
FPWMVH
FPWMUL
FPWMUH
P2.0/NMI
P2.1
P2.2
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
1 75
2 74
3 73
4 72
5 71
6 70
7 69
8 68
9 67
10 66
11 65
12 64
13
14
(Top View)
63
62
15 61
16 60
17 59
18 58
19 57
20 56
21 55
22 54
23 53
24 52
25 51
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
P3.0/INT2/CS1
CPWMUH
CPWMUL
CPWMVH
CPWMVL
CPWMWH
CPWMWL
CGATEKILL
VDD1
VSS
VDD2
P4.1/INT4
P4.5/INT8
IPFC-
IPFC+
IPFCO
VACO
VAC-
VAC+
AIN6
AIN5
AIN4
AIN3
AIN2
N/A
Figure 3. IRMCF312 Pin Configuration
This document is the property of International Rectifier and may not be copied or distributed without expressed consent.
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| Information | Total 8 Pages | |
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| Download | [ IRMCF312.PDF Datasheet ] | |
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