Infineon Technologies IMC302AF048XUMA1

Overview

IMC302AF048XUMA1 from Infineon Technologies is a high-performance iMOTION™ motor control IC integrating an ARM® Cortex®-M0 microcontroller and a dedicated Motion Control Engine (MCE) for PMSM/BLDC field-oriented control. It supports single-shunt or leg-shunt current sensing, sensorless and Hall-based position detection, and optional boost/totem-pole PFC control - deployed in variable-speed compressors and industrial fans requiring IEC/UL 60730-1 Class B safety certification.

For engineers reviewing the IMC302AF048XUMA1 datasheet, IMC302AF048XUMA1 pinout, IMC302AF048XUMA1 application, or IMC302AF048XUMA1 equivalent, key selection criteria include integrated PFC capability, dual-control architecture (MCE + M0), LQFP-48 package compatibility, and certified functional safety for industrial motor drives.

Technical Context

The IMC302AF048XUMA1 implements a dual-core architecture: the hardware-accelerated Motion Control Engine handles real-time FOC execution with CORDIC-based trigonometric computation, while the 96 MHz ARM® Cortex®-M0 core manages application logic, communication (MultiCAN+, UART, SPI), and system supervision. The MCE operates independently of the M0, enabling deterministic motor control timing.

It integrates CCU8 timers for high-resolution PWM generation (up to 150 MHz counter clock), POSIF interfaces for Hall sensor decoding, and configurable analog comparators for fast over-current protection (< 1 µs response). PFC control is implemented via dedicated hardware blocks supporting both boost and totem-pole topologies with synchronized current sensing.

Key Specifications

Pinout & Package

IMC302AF048XUMA1 is housed in a 48-pin LQFP package (PG-LQFP-48-11) with exposed thermal pad, optimized for motor drive PCB layout and thermal dissipation in compact industrial modules.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar motor control applications.

Compared with IMC301AF048XUMA1, the IMC302AF048XUMA1 adds certified PFC co-processing and safety features essential for single-stage AC-input appliances; versus IMC302AF064XUMA1, it trades pin count and peripheral headroom for compactness and thermal efficiency in space-constrained modules.

Availability

IMC302AF048XUMA1 is available at Aetrix Electronics and suitable for refrigeration compressors, industrial fans, condensate pumps, and small appliance motor modules requiring stable component supply, long lifecycle support, and industrial-grade reliability.

Supply support for IMC302AF048XUMA1 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 is a German semiconductor manufacturer specializing in power management, automotive MCUs, and industrial control ICs, with leadership in high-efficiency motor drive solutions.

The iMOTION™ IMC300 product line targets cost-sensitive, safety-critical variable-speed drives - integrating motion control, microcontroller, and PFC into a single chip to reduce system BOM and accelerate time-to-market.

FAQ

What is the maximum PWM switching frequency supported by IMC302AF048XUMA1?

The CCU8 timer subsystem supports PWM carrier frequencies up to 100 kHz with 150 MHz internal clock and sub-nanosecond resolution. Real-world FOC implementation typically uses 16–20 kHz to balance acoustic noise, switching losses, and current reconstruction fidelity - validated in Infineon's PMSM_FOC_Sensorless example firmware.

Does IMC302AF048XUMA1 require external gate drivers for 6T inverter stages?

Yes - IMC302AF048XUMA1 provides six logic-level PWM outputs (PWMH0–PWMH2, PWML0–PWML2) but does not integrate high-current gate drivers. It is designed to interface with discrete or integrated 6-channel gate drivers such as Infineon's 2EDN7524R or IRS2007STRPBF for IGBT/MOSFET control.

How is sensorless rotor position estimated in this device?

It uses the MCE's embedded observer algorithm combining back-EMF integration, PLL-based position tracking, and adaptive flux linkage compensation - calibrated via factory-trimmed parameters and updated during run-time using ADC-sampled phase voltages and currents.

Can the ARM® Cortex®-M0 core access the MCE configuration registers directly?

No - the MCE is a fully autonomous hardware block with its own memory map and register space. The M0 core communicates with the MCE exclusively via mailbox-style shared RAM and interrupt-driven events (e.g., MCE_READY, FAULT_OCCURRED), ensuring deterministic real-time behavior and isolation.