Infineon Technologies TC265D40F200WBBLXUMA1

Overview

TC265D40F200WBBLXUMA1 from Infineon Technologies is a 32-bit automotive microcontroller based on the TriCore™ v1.6.1 architecture, featuring 2 MB embedded Flash, 256 KB SRAM, and integrated CAN FD, LIN, and SENT interfaces. It operates across -40°C to 150°C ambient temperature, supports ASIL-D functional safety per ISO 26262, and targets engine control units (ECUs) requiring real-time deterministic processing.

For engineers reviewing the TC265D40F200WBBLXUMA1 datasheet, TC265D40F200WBBLXUMA1 pinout, TC265D40F200WBBLXUMA1 application, or TC265D40F200WBBLXUMA1 equivalent, key selection criteria include its dual-core lockstep configuration, 200 MHz CPU clock, hardware safety module (HSM), Flash ECC protection, and qualification per AEC-Q100 Grade 0.

Technical Context

This MCU integrates a TriCore™ CPU core with a separate Safety Core for runtime monitoring, enabling ASIL-D compliance in safety-critical powertrain applications. It includes a Peripheral Server Unit (PSU) for configurable I/O routing, a Multi-Channel DMA controller supporting up to 128 channels, and a System Memory Management Unit (SMMU) for memory access arbitration and protection.

The device implements a scalable peripheral set including six GPT12 timers, four ASC interfaces with baud rate generation up to 3 Mbit/s, two DSADC modules with 12-bit resolution and 1.5 MSPS sampling rate, and a 12-bit SAR ADC with 48 channels and programmable scan sequencing.

Key Specifications

Pinout & Package

Package: PG-LQFP-144-27 (144-pin Low-Profile Quad Flat Package, 20 mm × 20 mm, 0.5 mm pitch, exposed thermal pad).

Key Features

Applications

Equivalent & Alternatives

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

Compared with TC275T64F200WCKXUMA1 and TC375L64F200NACKXUMA1, the TC265D40F200WBBLXUMA1 offers optimal balance of ASIL-D safety features, Ethernet connectivity, and thermal robustness for powertrain ECUs operating at 150°C, without over-provisioning Flash or CPU resources.

Availability

TC265D40F200WBBLXUMA1 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and electric power steering systems requiring stable component supply under extended temperature and automotive qualification requirements.

Supply support for TC265D40F200WBBLXUMA1 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 semiconductors, automotive MCUs, and security solutions, with global manufacturing and R&D centers.

The AURIX™ TC2xx family delivers scalable, safety-certified microcontrollers for automotive powertrain, chassis, and body applications, emphasizing real-time determinism, functional safety, and thermal resilience.

FAQ

What is the maximum junction temperature rating for TC265D40F200WBBLXUMA1?

The device is rated for a maximum junction temperature of +175°C, validated under AEC-Q100 Grade 0 conditions (−40°C to +150°C ambient). Thermal derating curves and PCB layout guidelines for thermal pad soldering are provided in the hardware design manual, and the exposed pad must be connected to a minimum 4-layer thermal plane for sustained operation at 150°C ambient.

Does TC265D40F200WBBLXUMA1 support secure boot and cryptographic acceleration?

Yes - it includes a dedicated Hardware Security Module (HSM) with AES-128/256, SHA-256, RSA-2048, and TRNG support, plus secure boot ROM that validates signed firmware images before execution. The HSM operates independently of the main TriCore™ core and provides tamper-resistant key storage with physical unclonable function (PUF)-derived keys.

Can TC265D40F200WBBLXUMA1 operate without an external crystal oscillator?

No - the device requires an external crystal (1–40 MHz) on OSC_IN/OSC_OUT pins to generate the base clock for its PLL. Internal RC oscillators are only for fail-safe startup and cannot meet timing accuracy or stability requirements for ASIL-D operation; they are disabled after successful crystal lock detection during boot.

How many CAN FD interfaces does TC265D40F200WBBLXUMA1 support, and what is their data rate capability?

It integrates six CAN FD controllers with transceiver-independent physical layer support, each capable of up to 5 Mbit/s data phase speed and 1 Mbit/s arbitration phase. All six channels support ISO 11898-1:2015 compliance, flexible data-length up to 64 bytes, and hardware message filtering with 128 configurable ID filters per channel.