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Infineon Technologies IRMCF188TY
- Part No.:
- IRMCF188TY
- Manufacturer:
- Infineon Technologies
- Category:
- Motor Drivers, Controllers
- Package:
- 64-LQFP
- Datasheet:
-
IRMCF188TY.pdf
- Description:
- IC MOTOR DRIVER 3V-3.6V 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,182
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Product details
Overview
IRMCF188TY from Infineon Technologies (formerly International Rectifier) is a high-performance Flash-based sensorless motor control IC integrating a Flexible Motion Control Engine (MCETM) and an 8-bit 8051 microcontroller in a single monolithic QFP64 chip. It delivers complete inverterized air conditioner motor control with embedded PFC, 12-bit/2 μs ADC, 24 digital I/O, and loss-minimizing Space Vector PWM. Used in variable-speed HVAC compressors for energy-efficient operation.
For engineers reviewing the IRMCF188TY datasheet, IRMCF188TY pinout, IRMCF188TY application, or IRMCF188TY equivalent, this page provides verified technical context on dual-engine architecture, single/leg shunt current reconstruction, MCETM programmability via MATLAB/Simulink graphical compiler, and real-time PFC + motor co-control capabilities.
Technical Context
The IRMCF188TY implements a tightly coupled dual-core architecture: the MCETM handles real-time sensorless field-oriented control (FOC) for PMSM and induction motors using pre-validated blocks like Angle Estimator, while the 8051 core manages system I/O, HMI, UART/I²C/SPI communication, and PFC loop supervision. Both engines share memory-mapped peripherals including dual-port RAM and synchronized PWM generators.
Its analog subsystem includes dedicated hardware for single-shunt or leg-shunt current reconstruction, integrated op-amps for signal conditioning, and a 10-channel 12-bit ADC with 2 μs conversion time. GateKill latency is digitally filtered at 2 μs, and PWM carrier frequency resolution is 20 bits referenced to SYSCLK (120 MHz).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual-engine: MCETM + 8051 microcontroller - enables parallel real-time motor control and system management |
| ADC Resolution & Speed | 12-bit, 2 μs conversion - supports high-fidelity current/voltage sampling for FOC in 10–20 kHz switching applications |
| PWM Carrier Resolution | 20 bits / SYSCLK - delivers fine-grained duty-cycle control for low-acoustic-noise sinusoidal drive |
| Current Sensing Support | Single-shunt and leg-shunt reconstruction - eliminates need for external op-amp networks or multiple shunts |
| Flash Memory | 64 KB total (52 KB 8051 + 12 KB MCETM) - stores full motion algorithm, PFC firmware, and boot code in one chip |
| Digital I/O Count | 24 pins - sufficient for gate drivers, status LEDs, thermistors, user buttons, and communication interfaces |
| Operating Supply | 3.3 V single supply, 30 mA typical - simplifies power design vs. multi-rail controllers requiring 5 V or 1.8 V domains |
Pinout & Package
IRMCF188TY is housed in a lead-free LQFP64 package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are grouped into five interface domains: 8051 peripheral, motion peripheral, analog, power, and test.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1, VDDCAP | Core power supply inputs | Decoupled 3.3 V rails for digital logic and internal charge pump - require local 100 nF + 10 μF ceramic capacitors |
| AVDD, AVSS | Analog power domain | Separate analog supply/ground - isolates noise-sensitive ADC and op-amp circuits from digital switching transients |
| ADCI0–ADCI9 | Analog input channels | 10-pin multiplexed ADC inputs supporting voltage sensing, temperature, and reconstructed current signals |
| PWMUL–PWMWH | Three-phase SVPWM outputs | Six complementary PWM outputs with programmable dead-time - directly drive external 3-phase gate drivers |
| GATEKILL | Hardware fault shutdown | Asynchronous, low-latency (2 μs) kill signal - disables all PWM outputs during overcurrent or thermal fault |
| XTAL0/XTAL1 | Crystal oscillator interface | Supports 60 MHz crystal input - generates 120 MHz internal SYSCLK via PLL for timing-critical MCETM operations |
| JTAG_TCK/TMS/TDO/TDI | Debug interface | Full IEEE 1149.1 JTAG port - enables real-time emulation, breakpoint debugging, and flash programming without halting motor control |
| UART_TX/RX | Serial host interface | 57.6 kbps UART - used for configuration upload, telemetry reporting, and field firmware updates |
Key Features
| Feature | Design Value |
|---|---|
| Graphical motion algorithm development | MCETM blocks (e.g., Angle Estimator, PI controllers) configured via MATLAB/Simulink - reduces FOC implementation time from months to days |
| Dual-shunt sensing flexibility | Hardware-supported single-shunt or leg-shunt current reconstruction - cuts BOM cost by eliminating 2–3 op-amps and resistors per phase |
| Integrated digital PFC control | Dedicated PFC PWM generator with built-in voltage/current loop - enables single-chip AC-DC + motor inverter control in HVAC systems |
| Loss-minimizing SVPWM | Space Vector modulation with harmonic suppression - improves motor efficiency by 1–2% vs. standard sinusoidal PWM at partial load |
| Independent watchdog timer | Internal RC clock source - ensures reliable reset even if main crystal fails, critical for unattended appliance operation |
Applications
| Variable-Speed HVAC Compressor | Refrigerator Inverter Compressor |
|---|---|
Use Scenario: Inverter-driven scroll compressor in residential air conditioners operating across 10–100% load range with soft-start and low-noise requirements. IC Role / Device Role / Timing Role: Primary motor controller executing sensorless FOC and digital PFC; synchronizes PWM, ADC sampling, and GATEKILL response within 2 μs timing budget. Use Value: Enables >95% motor efficiency at partial load and meets DOE 2023 SEER2 standards via precise torque control and harmonic-reduced SVPWM. | Use Scenario: Hermetic inverter compressor in premium refrigerators requiring ultra-quiet operation (<25 dB(A)) and rapid temperature stabilization. IC Role / Device Role / Timing Role: Dual-role controller managing both compressor motor FOC and evaporator fan speed via auxiliary PWM outputs; uses 8051 timers for precise defrost cycle sequencing. Use Value: Eliminates need for separate PFC and motor ICs - reduces PCB area by 35% and system BOM cost by $1.80/unit. |
| Heat Pump Outdoor Unit | Commercial Air Handling Unit |
Use Scenario: Two-stage heat pump outdoor unit with wide ambient range (−25°C to +52°C), requiring robust startup under low-voltage grid conditions. IC Role / Device Role / Timing Role: Sensorless startup enabler using MCETM's adaptive observer; monitors DC-link voltage via ADC channel to dynamically adjust PFC reference during brownout events. Use Value: Achieves reliable cold-start down to −25°C without position sensors - avoids costly Hall-effect or encoder assemblies. | Use Scenario: Rooftop HVAC unit with integrated ventilation control, requiring coordinated fan speed, damper actuation, and CO₂ monitoring. IC Role / Device Role / Timing Role: System coordinator: 8051 handles I²C sensor reads (CO₂, humidity), SPI-driven damper drivers, and UART-linked building management system (BMS); MCETM runs fan motor FOC independently. Use Value: Single-chip solution replaces discrete MCU + motor controller + PFC IC - simplifies UL/IEC 60730 Class B functional safety certification path. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar sensorless motor control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STSPIN32F0A | Integrated 3-phase gate driver + ARM Cortex-M0, no dedicated motion engine; 12-bit ADC, 16 MHz max CPU clock | Limited to <1 kW BLDC/PMSM; lacks native PFC engine and single-shunt reconstruction hardware | Preferred for cost-sensitive, lower-power fans where graphical algorithm development is not required |
| TMS320F280049C | 32-bit C2000 DSP with CLA co-processor; higher precision (16-bit ADC, 150 MHz CPU), but requires full C coding and external PFC controller | Targeted at industrial drives (>3 kW); larger footprint, higher BOM cost, no integrated PFC or shunt reconstruction | Chosen when deterministic sub-μs control loops and floating-point math are mandatory, and PFC is handled separately |
Compared with STSPIN32F0A and TMS320F280049C, IRMCF188TY uniquely integrates sensorless FOC acceleration (MCETM), digital PFC, and single-shunt hardware in one QFP64 package-reducing design effort for appliance-grade inverter systems without sacrificing real-time performance.
Availability
IRMCF188TY is available at Aetrix Electronics and suitable for variable-speed HVAC compressors, refrigerator inverter systems, heat pump outdoor units, and commercial air handling units requiring stable component supply and long-term production continuity.
Supply support for IRMCF188TY includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies acquired International Rectifier in 2015 and continues its legacy of high-performance power semiconductors and intelligent control ICs for energy-efficient systems.
The IRMCF188TY belongs to Infineon's Motion Control IC product line, designed specifically to consolidate inverter system intelligence-including sensorless motor control, digital PFC, and system management-into a single programmable chip for white goods and HVAC applications.
FAQ
What development tools are required to program the IRMCF188TY?
Programming requires Infineon's iMotion™ Designer software with MATLAB/Simulink integration for MCETM graphical algorithm design, plus Keil C51 for 8051 firmware. Hardware debugging uses a standard JTAG emulator compatible with IEEE 1149.1. No proprietary debug probe is needed.
Does the IRMCF188TY support encoder-based commutation as a fallback mode?
No. The IRMCF188TY is strictly sensorless-its MCETM is architected for observer-based rotor position estimation only. It does not include quadrature decoder logic, index pulse handling, or hardware interfaces for incremental encoders or resolvers.
Can the IRMCF188TY simultaneously control two independent motors?
No. It is designed for single-motor control with three-phase SVPWM output. While the 8051 can manage auxiliary functions (e.g., fan speed), the MCETM and motion peripherals are dedicated to one motor's FOC loop and cannot be time-sliced across multiple axes.
Is the internal 64 KB Flash memory field-upgradable via UART or I²C?
Yes-both 8051 and MCETM program memory can be reprogrammed in-system via UART using Infineon's bootloader protocol. I²C is not supported for firmware updates; it is reserved for peripheral sensor communication only.
IRMCF188TY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- iMOTION™, MCE™
- Package/Case:
- 64-LQFP
- Packaging:
- Tray
- Product Status:
- Obsolete
- Motor Type - Stepper:
- -
- Motor Type - AC, DC:
- AC, Induction, Synchronous
- Function:
- Controller - Commutation, Direction Management
- Output Configuration:
- Pre-Driver - Half Bridge (3)
- Interface:
- I2C, RS-232, SPI
- Technology:
- IGBT
- Step Resolution:
- -
- Applications:
- General Purpose
- Current - Output:
- -
- Voltage - Supply:
- 3V ~ 3.6V
- Voltage - Load:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 64-LQFP (12x12)
IRMCF188TY FAQ
1.How can I place an order for IRMCF188TY through Aetrix?
Please submit a Request for Quotation (RFQ) for IRMCF188TY on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for IRMCF188TY reliable?
The price and inventory of IRMCF188TY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IRMCF188TY is usually 5 days.
3.What payment methods are accepted for IRMCF188TY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IRMCF188TY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IRMCF188TY?
IRMCF188TY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IRMCF188TY order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for IRMCF188TY?
For technical support, including IRMCF188TY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IRMCF188TY requirements.
6.How does Aetrix verify that IRMCF188TY is sourced from the original manufacturer or authorized distributors?
All IRMCF188TY products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that IRMCF188TY meets industry standards.
7.What is the process for return or replacement of IRMCF188TY?
All IRMCF188TY units undergo pre-shipment inspection (PSI). If there is an issue with IRMCF188TY, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The IRMCF188TY part is unused and in its original packaging.
Return procedure for IRMCF188TY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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