Infineon Technologies XMC4104Q48F128ABXUMA1

Overview

XMC4104Q48F128ABXUMA1 from Infineon Technologies is a 32-bit ARM Cortex-M4 microcontroller with 128 KB Flash, 20 KB SRAM, and VQFN-48 package, designed for industrial motor control and power conversion systems. It integrates dual 12-bit VADCs (8-channel each), two CCU4 timers, one CCU8 unit, four HRPWM channels, and a Position Interface (POSIF) for servo positioning - enabling precise real-time control in variable-speed drives and digital power supplies.

For engineers reviewing the XMC4104Q48F128ABXUMA1 datasheet, XMC4104Q48F128ABXUMA1 pinout, XMC4104Q48F128ABXUMA1 application, or XMC4104Q48F128ABXUMA1 equivalent, key selection criteria include HRPWM resolution (150 ps), CAN 2.0B support (2 nodes, 1 Mbit/s), USB 2.0 device interface with integrated PHY, and industrial temperature range (−40°C to +85°C).

Technical Context

The XMC4104Q48F128ABXUMA1 implements a tightly coupled ARM Cortex-M4 core with hardware FPU and MPU, supporting deterministic real-time execution for closed-loop control. Its peripheral subsystem includes dedicated motor control units: CCU8 with dead-time insertion and shadow transfer, POSIF for incremental encoder feedback, and HRPWM with programmable edge alignment and synchronization to ADC sampling.

Power management is handled by the System Control Unit (SCU), which enables multiple low-power modes (standby, sleep, power-down) with wake-up via ERU or RTC. The device uses a multi-layer AHB/APB bus matrix to decouple CPU, DMA, and peripheral access - ensuring concurrent USB data transfer, CAN message handling, and ADC conversion without bus contention.

Key Specifications

Pinout & Package

VQFN-48 package with 0.5 mm pitch, 7 mm × 7 mm body, and exposed thermal pad (EPAD) for enhanced thermal dissipation in motor drive and power supply applications.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XMC4200-Q48x256, the XMC4104Q48F128ABXUMA1 trades Flash/SRAM capacity for lower unit cost and identical real-time control latency; versus STM32H743VI, it delivers superior motor control integration with no external timing logic required.

Availability

XMC4104Q48F128ABXUMA1 is available at Aetrix Electronics and suitable for industrial motor drives, digital power supplies, servo drive modules, and programmable logic controllers requiring stable component supply across extended production lifecycles.

Supply support for XMC4104Q48F128ABXUMA1 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 microcontroller solutions.

The XMC4000 family targets industrial automation and power conversion, delivering hardware-accelerated peripherals (HRPWM, POSIF, MultiCAN) to reduce software overhead and improve real-time determinism in embedded control systems.

FAQ

What is the maximum operating frequency of the XMC4104Q48F128ABXUMA1?

The XMC4104Q48F128ABXUMA1 operates at up to 80 MHz using its internal PLL, with clock sources including an internal 10 MHz RC oscillator, external crystal (1–20 MHz), or external clock input. This frequency is validated across the full industrial temperature range (−40°C to +85°C) and supports deterministic execution of motor control algorithms with sub-microsecond interrupt latency.

Does this MCU support CAN FD or only classical CAN?

The XMC4104Q48F128ABXUMA1 supports only Classical CAN 2.0B (up to 1 Mbit/s), not CAN FD. Its MultiCAN module provides two nodes, 64 message objects, and hardware mailbox filtering - sufficient for CANopen, DeviceNet, and J1939 implementations in industrial drives and PLCs, but not for higher-bandwidth automotive or advanced diagnostics use cases.

Is the USB interface limited to device mode, or does it support host functionality?

The USB interface is strictly USB 2.0 full-speed device mode with integrated PHY - no host or OTG capability. It supports CDC, HID, and DFU class drivers for firmware updates, parameter configuration, and real-time debug streaming, but cannot enumerate as a USB host to connect peripherals like memory sticks or sensors.

What debug interfaces are supported, and are they accessible in production firmware?

The XMC4104Q48F128ABXUMA1 supports ARM-JTAG and SWD (Serial Wire Debug) interfaces with 8 hardware breakpoints and CoreSight trace. Debug access remains enabled unless explicitly disabled via SCU security registers; production firmware can retain SWD for field diagnostics while locking JTAG to prevent unauthorized access.