Infineon Technologies XMC4400F100K512BAXQMA1

Overview

XMC4400F100K512BAXQMA1 from Infineon Technologies is an ARM® Cortex®-M4 32-bit microcontroller designed for industrial motor control and power conversion systems. It integrates 512 KB on-chip Flash, 80 KB SRAM (32 KB DSRAM + 32 KB PSRAM + 16 KB DSRAM2), dual 12-bit VADCs with 8 channels each, two CCU8 units for high-precision PWM generation, and a 10/100 Ethernet MAC - enabling real-time closed-loop control in servo drives and digital power supplies.

For engineers reviewing the XMC4400F100K512BAXQMA1 datasheet, XMC4400F100K512BAXQMA1 pinout, XMC4400F100K512BAXQMA1 application, or XMC4400F100K512BAXQMA1 equivalent, key selection considerations include its -40°C to +125°C extended temperature rating, LQFP-100 package with 78 GPIOs, integrated HRPWM with <100 ps resolution, MultiCAN interface supporting 1 Mbit/s, and USB 2.0 Full-Speed OTG with embedded PHY.

Technical Context

The XMC4400F100K512BAXQMA1 implements a deterministic real-time architecture centered on the ARM Cortex-M4 core with hardware FPU and MPU, coupled with dedicated peripherals for motion control: dual CCU8 modules support center-aligned PWM with dead-time insertion and emergency shutdown, while POSIF interfaces directly decode incremental encoder and SSI absolute position signals. Its VADC subsystem features simultaneous sampling across four 12-bit converters with out-of-range comparators for overcurrent detection.

System-level timing is managed by a multi-source clock tree including PLL (up to 144 MHz), internal RC oscillator (10 MHz), and external crystal support (1–20 MHz). The device supports deterministic interrupt latency via NVIC with 240 priority levels and integrates GPDMA with 8 channels for zero-CPU-load peripheral data movement - critical for synchronized ADC capture and PWM update in digital PFC or three-phase inverters.

Key Specifications

Pinout & Package

Package: PG-LQFP-100 (14 mm × 14 mm, 0.5 mm pitch, exposed thermal pad).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar industrial microcontroller applications.

Compared with STM32H743VI and TMS320F28379D, the XMC4400F100K512BAXQMA1 uniquely combines Ethernet MAC with integrated PHY, hardware POSIF, and sub-100 ps HRPWM in a single LQFP-100 package - reducing bill-of-materials and PCB area for compact industrial drives and gateways.

Availability

XMC4400F100K512BAXQMA1 is available at Aetrix Electronics and suitable for industrial servo drives, solar inverters, digital power supplies, and Ethernet-enabled PLC modules requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for XMC4400F100K512BAXQMA1 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 AG is a German semiconductor manufacturer specializing in power management, automotive MCUs, and industrial control solutions, with R&D centers in Munich, Dresden, and Austin.

The XMC4000 family was engineered specifically for industrial real-time control - integrating precision analog, deterministic PWM, and fieldbus connectivity to replace discrete ASIC + FPGA designs in motor drives and energy systems.

FAQ

What is the maximum operating frequency and supported clock sources for the XMC4400F100K512BAXQMA1?

The device operates at up to 144 MHz using its internal PLL, which accepts input from the main oscillator (1–20 MHz crystal), internal 10 MHz RC oscillator, or external clock source. The PLL supports fractional-N synthesis with programmable multiplication factors and separate pre-divider/post-divider settings, enabling precise jitter-free clock generation for Ethernet and USB timing domains.

Does the XMC4400F100K512BAXQMA1 support functional safety standards such as IEC 61508 or ISO 26262?

Yes - it includes hardware safety mechanisms: lockstep-capable SCU, windowed WDT, memory parity/ECC on critical RAM blocks, DTS for thermal monitoring, and safe startup sequences. While the device itself is not ASIL-certified, Infineon provides safety manuals, FMEDA reports, and diagnostic software libraries enabling SIL-2 and ASIL-B system-level compliance when used per guidelines in XMC4000 Functional Safety Kit v3.1.

How many independent PWM channels with dead-time control does the XMC4400F100K512BAXQMA1 provide?

It provides 12 independent PWM channels with programmable dead-time: six from each CCU8 module (CCU80 and CCU81), each supporting complementary outputs, automatic dead-time insertion (1–255 ns steps), and emergency shutdown via ERU-triggered forced state. Additionally, four HRPWM channels offer <100 ps edge resolution for ultra-high-frequency resonant topologies.

Is external RAM or Flash required for typical industrial control applications?

No - the integrated 512 KB Flash and 80 KB SRAM are sufficient for full FOC implementation, communication stacks (TCP/IP, CANopen), and real-time logging. External memory is only needed for large firmware images (>512 KB), extended data buffers (e.g., waveform capture), or non-volatile parameter storage beyond Flash endurance limits - all supported via USIC SPI or Ethernet interfaces.