Infineon Technologies TLE7250VLEXUMA1

Overview

TLE7250VLEXUMA1 from Infineon Technologies is a high-speed CAN transceiver compliant with ISO 11898-2, serving as the physical layer interface between a CAN protocol controller and the differential HS CAN bus. It supports data rates up to 2 MBit/s, features VIO voltage adaptation for microcontroller logic compatibility, operates across extended supply ranges (VCC: 4.5–27 V; VIO: 3.0–5.5 V), and includes power-save mode with VCC shutoff capability. It is deployed in automotive body control modules and chassis networks requiring robust ESD immunity (IEC61000-4-2 Level 4) and fail-safe operation.

For engineers reviewing the TLE7250VLEXUMA1 datasheet, TLE7250VLEXUMA1 pinout, TLE7250VLEXUMA1 application, or TLE7250VLEXUMA1 equivalent, key selection criteria include guaranteed loop delay symmetry for CAN FD timing integrity, low bus leakage current (<1 µA) in power-down state, overtemperature protection activation at 175 °C, and AEC-Q100 qualification for automotive deployment.

Technical Context

The TLE7250VLEXUMA1 implements a fully differential transmitter and receiver architecture optimized for electromagnetic compatibility: its matched output slew rates on CANH and CANL minimize radiated emissions, while wide common-mode range (−2 V to 14 V) ensures immunity against bus noise and ground offset. The device integrates internal pull-ups on TxD and NEN pins referenced to VIO, enabling direct interfacing with 3.3 V or 5 V microcontrollers without external biasing.

Two operational modes are controlled via the NEN pin: normal mode enables full bus communication with active driver/receiver, while power-save mode disables the transmitter, reduces quiescent current to <10 µA, and allows VCC to be powered down-retaining RxD functionality only if VIO remains active. Fail-safe features include TxD time-out (prevents bus lock-up after >1.2 ms dominant state), short-circuit protection to battery/GND/VCC, and thermal shutdown at 175 °C.

Key Specifications

Pinout & Package

Package: PG-TSON-8 (leadless, thermally enhanced, RoHS-compliant, halogen-free). Exposed thermal pad (Pin 8) must be connected to PCB ground plane for optimal thermal performance and EMI suppression.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-speed CAN transceiver applications.

Compared with TJA1042T/3 and TLE6250G, the TLE7250VLEXUMA1 uniquely combines VIO-based logic adaptability, 2 MBit/s CAN FD readiness, and <1 µA power-down leakage-making it the only option among the three that meets next-generation automotive domain controller power and timing requirements without design compromises.

Availability

TLE7250VLEXUMA1 is available at Aetrix Electronics and suitable for automotive body control modules, electronic power steering systems, and transmission control units requiring stable component supply across long production lifecycles and stringent environmental qualification.

Supply support for TLE7250VLEXUMA1 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 ICs, and security solutions, with global manufacturing and automotive qualification infrastructure.

The TLE7250VLEXUMA1 belongs to Infineon's Smart Power Technology (SPT) family of automotive transceivers, engineered specifically for high-reliability HS CAN networks in harsh environments-including under-hood, chassis, and safety-critical domains.

FAQ

Is TLE7250VLEXUMA1 compatible with CAN FD physical layer requirements?

Yes. The TLE7250VLEXUMA1 is explicitly designed for CAN FD compliance, featuring guaranteed loop delay symmetry between CANH and CANL paths, matched slew rates, and support for data rates up to 2 MBit/s. Its electrical characteristics-including differential output voltage (1.5 V min), common-mode range (−2 V to +14 V), and timing parameters-are validated per ISO 11898-2:2016 Annex C for CAN FD operation.

What is the function of the NEN pin, and how should it be configured?

The NEN (Not Enable) pin is an active-low control input that selects between normal and power-save modes. When pulled low (≤0.8 V), it disables the transmitter and allows VCC to be turned off; when left floating or pulled high via internal VIO-referenced pull-up, the device operates in normal mode. External pull-up is unnecessary unless VIO is unpowered during startup.

Can TLE7250VLEXUMA1 operate with a 3.3 V microcontroller while powered from a 12 V battery rail?

Yes. The device uses separate supply domains: VIO (3.0–5.5 V) sets logic thresholds for TxD and RxD, enabling direct interface with 3.3 V MCUs, while VCC (4.5–27 V) powers the bus drivers and can be connected directly to the 12 V battery. Decoupling capacitors (100 nF each) are required on both VIO and VCC pins to ensure stable operation.

Does TLE7250VLEXUMA1 require external termination resistors on the CAN bus?

No. The TLE7250VLEXUMA1 does not integrate bus termination; external 120 Ω resistors must be placed at each end of the CAN bus segment as specified by ISO 11898-2. The transceiver's output stage is designed to drive standard 120 Ω-terminated lines with controlled edge rates to meet emission limits without additional filtering components.