IRMCF312TR International Rectifier, IRMCF312TR Datasheet
IRMCF312TR
Specifications of IRMCF312TR
Available stocks
Related parts for IRMCF312TR
IRMCF312TR Summary of contents
Page 1
Dual Channel Sensorless Motor Control IC Features TM MCE (Motion Control Engine) - Hardware based computation engine for high efficiency sinusoidal sensorless control of permanent magnet AC motor Integrated Power Factor Correction control Supports both interior and surface permanent magnet ...
Page 2
TABLE OF CONTENTS 1 Overview...................................................................................................................................... 4 2 IRMCF312 Block Diagram and Main Functions ........................................................................ 5 3 Pinout........................................................................................................................................... 7 4 Input/Output of IRMCF312......................................................................................................... 8 4.1 8051 Peripheral Interface Group........................................................................................... 9 4.2 Motion Peripheral Interface Group ..................................................................................... 10 4.3 Analog Interface Group ...
Page 3
Figure 1. Typical Application Block Diagram Using IRMCF312.................................................. 4 Figure 2. IRMCF312 Internal Block Diagram ................................................................................ 5 Figure 3. IRMCF312 Pin Configuration ......................................................................................... 7 Figure 4. Input/Output of IRMCF312 ............................................................................................. 8 Figure 5. Application Connection of IRMCF312 ......................................................................... 13 Figure ...
Page 4
... Overview IRMCF312 is a new International Rectifier integrated circuit device primarily designed as a one- chip solution for complete inverter controlled appliance dual motor control applications. Unlike a traditional microcontroller or DSP, the IRMCF312 provides a built-in closed loop sensorless control algorithm using the unique Motion Control Engine (MCE TM motors ...
Page 5
IRMCF312 Block Diagram and Main Functions IRMCF312 block diagram is shown in Figure 2. Figure 2. IRMCF312 Internal Block Diagram IRMCF312 contains the following functions for sensorless AC motor control applications: • Motion Control Engine (MCE o Proportional plus ...
Page 6
Peak detect o Transition o Multiply-divide (signed and unsigned) o Divide (signed and unsigned) o Adder o Subtractor o Comparator o Counter o Accumulator o Switch o Shift o ATAN (arc tangent) o Function block (any curve fitting, nonlinear ...
Page 7
Pinout Figure 3. IRMCF312 Pin Configuration Attention: Pin 51 must be left floating. Do not connect. IRMCF312 7 ...
Page 8
Input/Output of IRMCF312 All I/O signals of IRMCF312 are shown in Figure 4. All I/O pins are 3.3V logic interface except A/D interface pins. Figure 4. Input/Output of IRMCF312 IRMCF312 8 ...
Page 9
Peripheral Interface Group UART Interface P1.1/RXD Input, Receive data to IRMCF312, can be configured as P1.1 P1.2/TXD Output, Transmit data from IRMCF312, can be configured as P1.2 P3.6/RXD1 Input, 2 P3.7/TXD1 Output, 2 P3.7 Discrete I/O Interface P1.0/T2 ...
Page 10
Analog Output Interface P2.6/AOPWM0 Input/output, can be configured as 8-bit PWM output 0 with programmable carrier frequency P2.7/AOPWM1 Input/output, can be configured as 8-bit PWM output 1 with programmable carrier frequency P3.1/AOPWM2 Input/output, can be configured as 8-bit PWM output ...
Page 11
Fault CGATEKILL Input, upon assertion, this negates all six PWM signals for motor 1, programmable logic sense P5.0/PFCGKILL Input, upon assertion, this negates PFCPWM signal, programmable logic sense, can be configured as discrete I/O in which case CGATEKILL negates PFCPWM ...
Page 12
AIN3 Input, Analog input channel 3 (0-1.2V), needs to be pulled down to AVSS if unused AIN4 Input, Analog input channel 4 (0-1.2V), needs to be pulled down to AVSS if unused AIN5 Input, Analog input channel 5 (0-1.2V), needs ...
Page 13
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 IRMCF312. Figure 5. Application Connection of IRMCF312 IRMCF312 13 ...
Page 14
DC Characteristics 6.1 Absolute Maximum Ratings Symbol Parameter V Supply Voltage DD1 V Supply Voltage DD2 V Analog Input Voltage IA V Digital Input Voltage ID T Ambient Temperature A T Storage Temperature S Table 1. Absolute Maximum Ratings ...
Page 15
Digital I/O DC Characteristics Symbol Parameter V Supply Voltage DD1 V Supply Voltage DD2 V Input Low Voltage IL V Input High Voltage IH C Input capacitance IN I Input leakage current L (2) I Low level output OL1 ...
Page 16
PLL and Oscillator DC Characteristics Symbol Parameter V Supply Voltage PLLVDD V Oscillator Input Low IL OSC Voltage V Oscillator Input High IH OSC Voltage Table 4. PLL DC Characteristics Note: (1) Data guaranteed by design. 6.5 Analog I/O ...
Page 17
Analog I/O DC Characteristics - OP amps for voltage sensing (VAC+,VAC-,VACO, VDC+, VDC-, VDCO 1nF 100nF. Unless specified 25˚C. AREF MEXT Symbol Parameter V Supply Voltage AVDD V Input Offset Voltage OFFSET V ...
Page 18
Under Voltage Lockout DC Characteristics - Based on AVDD (1.8V) Unless specified 25˚C. Symbol Parameter UV UVcc positive going CC+ Threshold UV UVcc negative going CC- Threshold UV H UVcc Hysteresys CC Table 7. UVcc DC Characteristics ...
Page 19
AC Characteristics 7.1 PLL AC Characteristics Symbol Parameter F Crystal input CLKIN frequency F Internal clock PLL frequency F Sleep mode output LWPW frequency J Short time jitter S D Duty cycle T PLL lock time LOCK Table 9. ...
Page 20
Analog to Digital Converter AC Characteristics Unless specified 25˚C. Symbol Parameter T Conversion time CONV T Sample/Hold HOLD maximum hold time Table 10. A/D Converter AC Characteristics Note: (1) Data guaranteed by design. Input Voltage Voltage droop ...
Page 21
Op Amp AC Characteristics - OP amps for current sensing (IFBC+, IFBC-, IFBCO, IFBF+, IFBF-, IFBFO, IPFC+, IPFC-, IPFCO) Unless specified 25˚C. Symbol Parameter OP OP amp slew rate input impedance IMP T Settling ...
Page 22
SYNC to SVPWM and A/D Conversion AC Timing SYNC IU,IV,IW AINx PWMUx,PWMVx,PWMWx Unless specified 25˚C. Symbol Parameter t SYNC pulse width wSYNC t SYNC to current dSYNC1 feedback conversion time t SYNC to AIN0-6 dSYNC2 analog input ...
Page 23
GATEKILL to SVPWM AC Timing Unless specified 25˚C. Symbol Parameter t GATEKILL pulse wGK width t GATEKILL to PWM dGK output delay Table 14. GATEKILL to SVPWM AC Timing 7.7 Interrupt AC Timing Unless specified ...
Page 24
Timing SCL t I2ST1 t I2ST2 SDA Unless specified 25˚C. Symbol Parameter clock period I2CLK SDA start time I2ST1 SCL start ...
Page 25
SPI AC Timing 7.9.1 SPI Write AC timing Unless specified 25˚C. Symbol Parameter T SPI clock period SPICLK t SPI clock high time SPICLKHT t SPI clock low time SPICLKLT data delay time CSDELAY ...
Page 26
SPI Read AC Timing Unless specified 25˚C. Symbol Parameter T SPI clock period SPICLK t SPI clock high time SPICLKHT t SPI clock low time SPICLKLT data delay time CSRD t SPI read data ...
Page 27
UART AC Timing T BAUD TXD Start Bit RXD Unless specified 25˚C. Symbol Parameter T Baud Rate Period BAUD T UART sampling filter UARTFIL (1) period Note: (1) Each bit including start and stop bit is sampled ...
Page 28
CAPTURE Input AC Timing Unless specified 25˚C. Symbol Parameter T CAPTURE input CAPCLK period t CAPTURE input high CAPHIGH time t CAPTURE input low CAPLOW time t CAPTURE falling edge CRDELAY to capture register latch time t ...
Page 29
JTAG AC Timing T JCLK t JLOW t JHIGH TCK t CO TDO t JSETUP t JHOLD TDI/TMS Unless specified 25˚C. Symbol Parameter T TCK Period JCLK t TCK High Period JHIGH t TCK Low Period JLOW ...
Page 30
Pin List Pin Internal IC Number Pin Name /Pull-down 1 XTAL0 2 XTAL1 3 P1.0/T2 4 P1.1/RXD 5 P1.2/TXD 6 P1.3/SYNC/ SCK 7 P1.4/CAP 8 P1.5 9 P1.6 10 P1.7 11 P4.3/INT6 12 P4.7/INT10 13 VDD2 14 VSS 15 ...
Page 31
Pin Internal IC Number Pin Name /Pull-down 27 P2.4 28 P2.5 29 P2.6/ AOPWM0 30 P2.7/ AOPWM1 31 VDD2 32 VSS 33 VSS 34 VDD1 35 P4.0/INT3 36 P4.4/INT7 37 IFBF- 38 IFBF+ 39 IFBFO 40 AIN0/VDCO 41 VDC+ 42 ...
Page 32
Pin Internal IC Number Pin Name /Pull-down 56 AIN6 57 VAC+ 58 VAC- 59 VACO 60 IPFCO 61 IPFC+ 62 IPFC- 63 P4.5/INT8 64 P4.1/INT4 65 VDD2 66 VSS 67 VDD1 68 CGATEKILL 69 CPWMWL 70 kΩ Pull 70 CPWMWH ...
Page 33
Pin Internal IC Number Pin Name /Pull-down 82 P3.5/T1 83 P3.6/RXD1 84 P3.7/TXD1 85 VSS 86 VSS 87 VDD1 88 P4.2/INT5 89 P4.6/INT9 90 SCL/SO-SI 91 SDA/CS0 92 P5.1/TMS 93 P5.2/TDO 94 P5.3/TDI 95 TCK 96 TSTMOD 58 kΩ pull ...
Page 34
Package Dimensions IRMCF312 34 ...
Page 35
... Date Code Pin 1 Indentifier Lead-Free Part in 64-lead QFP Moisture sensitivity rating – MSL3 Part number Order quantities IRMCF312TR 1000 parts on tape and reel in dry pack IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 252-7105 www.irf.com IRMCF312 YWWP XXXXXX Order Information ...