Infineon Technologies XMC4100F64F128BAXQMA1

Overview

XMC4100F64F128BAXQMA1 from Infineon Technologies is an ARM® Cortex®-M4 32-bit microcontroller optimized for industrial control and power conversion applications. It features 128 KB on-chip Flash, 20 KB SRAM, 64-pin LQFP package, -40°C to 85°C operating temperature, and integrated peripherals including two 12-bit VADCs, two 12-bit DACs, four HRPWM channels, and dual-node MultiCAN supporting up to 1 MBit/s data rate - deployed in motor drive feedback loops and digital power supply controllers.

For engineers reviewing the XMC4100F64F128BAXQMA1 datasheet, XMC4100F64F128BAXQMA1 pinout, XMC4100F64F128BAXQMA1 application, or XMC4100F64F128BAXQMA1 equivalent, key selection criteria include Flash/SRAM sizing for real-time control firmware, HRPWM resolution and dead-time control for IGBT gate driving, CAN node count for distributed automation networks, USB device interface for field service connectivity, and thermal performance in sealed industrial enclosures.

Technical Context

The XMC4100F64F128BAXQMA1 implements a tightly coupled ARM Cortex-M4 core with hardware FPU and MPU, enabling deterministic execution of floating-point control algorithms and memory-protected task isolation. Its peripheral subsystem includes dual VADCs with out-of-range comparators for fast overcurrent detection and CCU8/CCU4 timers synchronized to HRPWM outputs for precise phase-shifted PWM generation in three-phase inverters.

System-level timing is managed via a multi-source clock tree: internal 10 MHz RC oscillator, external crystal (1–20 MHz), PLL with programmable multiplication factor (up to 120 MHz system clock), and dedicated clock domains for USB (48 MHz), ADC (up to 20 MHz), and PWM (up to 120 MHz). The SCU handles power modes, reset sources, and peripheral clock gating to meet industrial low-power standby requirements.

Key Specifications

Pinout & Package

Package: PG-LQFP-64-19 (64-pin Low-Profile Quad Flat Package, 10 mm × 10 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 XMC4100F64F128BAXQMA1, the XMC4200 variant offers scalable memory for evolving firmware complexity, while the XMC4108 provides a leaner entry point for volume production of mature, unchanging control logic - all sharing identical pinout, timing behavior, and peripheral register mapping.

Availability

XMC4100F64F128BAXQMA1 is available at Aetrix Electronics and suitable for industrial motor drives, digital power supplies, programmable logic controllers, and human-machine interfaces requiring stable component supply across multi-year production cycles.

Supply support for XMC4100F64F128BAXQMA1 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, and industrial control ICs, with leadership in silicon carbide and embedded control solutions.

The XMC4000 family was designed specifically for real-time industrial automation - emphasizing deterministic timing, integrated analog/motor control peripherals, and functional safety readiness for IEC 61508 and ISO 13849 applications.

FAQ

Does XMC4100F64F128BAXQMA1 support hardware-based functional safety features?

Yes - it includes a Window Watchdog Timer (WDT) with configurable time windows, lock-step capable SCU registers, memory protection unit (MPU) for task isolation, and hardware CRC engine for Flash integrity checking. These features enable SIL2-compliant system design per IEC 61508 when implemented with certified safety libraries and proper board-level diagnostics.

What is the maximum achievable PWM frequency with HRPWM channels?

The HRPWM module supports up to 120 MHz base clock and achieves effective PWM frequencies exceeding 10 MHz with 10-bit resolution, or 1.25 MHz with full 16-bit resolution. Practical switching frequencies in industrial applications are typically limited to 100–500 kHz by external gate driver and power device constraints, not by the HRPWM itself.

Can the USB interface operate without an external crystal?

Yes - the USB 2.0 full-speed device interface uses an internally generated 48 MHz clock derived from the main PLL, eliminating the need for a separate 12 MHz crystal. This simplifies BOM and layout while maintaining USB specification compliance under all operating conditions.

How many analog input channels can be sampled simultaneously with hardware triggering?

Both VADC units support hardware-synchronized sampling across all 8 channels per unit using external triggers (e.g., HRPWM period match events). This enables true simultaneous acquisition of up to 16 analog signals - such as three-phase voltage/current pairs plus temperature and DC-link voltage - with sub-10 ns skew.