company blog about Infineon TLE7250SJ 2Mbps High Speed Automotive CAN Transceivers

Infineon TLE7250SJ 2Mbps High Speed Automotive CAN Transceivers

Shenzhen Mingjiada Electronics Co., Ltd., as a leading professional supplier of electronic components in China, is committed to providing high-performance, high-reliability electronic component solutions to global customers. The company has been supplying Infineon's TLE7250SJ 2Mbps high-speed CAN transceiver, specifically designed for HS CAN networks in automotive and industrial applications.

TLE7250SJ Product Overview

The Infineon TLE7250SJ is a high-speed CAN transceiver compliant with the ISO 11898-2/5 standard, specifically designed for the demanding automotive electronics environment. The TLE7250SJ device supports a maximum communication rate of 2Mbps, fully meeting the high-speed data transmission requirements of modern vehicles, and is particularly suitable for high-bandwidth applications such as Advanced Driver Assistance Systems (ADAS), electric vehicle control units, and in-vehicle infotainment systems.

The TLE7250SJ achieves its functionality by transmitting signals to the CAN bus, protecting the microcontroller, and supporting CAN FD with data rates up to 2 Mbit/s. With its excellent passive performance and ESD and EMC protection provided by Infineon's SPT, it is highly suitable for mixed-power high-speed CAN networks. The TLE7250SJ is AEC-certified, optimised for automotive environments, and offers three operating modes and optimised output rise/fall times.

TLE7250SJ Product Features

Fully compliant with ISO 11898-2 standard

Wide common-mode range ensures electromagnetic compatibility (EMI)

Extremely low electromagnetic emission (EME)

Excellent electrostatic discharge (ESD) tolerance

Guaranteed loop delay symmetry, supporting CAN FD data frames up to 2 Mbit/s

Extended Vcc power supply range

CAN bus short-circuit protection against ground, battery, and Vcc power sources

TxD timeout function

Extremely low CAN bus leakage current in standby mode

Over-temperature protection

Resistance to automotive transient interference

Receive-only mode and power-saving mode

Environmentally friendly product (compliant with RoHS standards)

Two packaging options: PG-DSO-8 and PG-TSON-8

AEC-certified

Key technical parameters of the TLE7250SJ include:

Communication rate: Supports high-speed CAN communication up to 2 Mbps, compatible with traditional CAN protocols

Operating voltage range: 4.5 V to 5.5 V, suitable for fluctuations in automotive power systems

Operating temperature range: -40°C to +150°C, meeting automotive Grade 0 requirements

EMC performance: Excellent electromagnetic compatibility, passing stringent automotive EMC testing

Protection features: Provides ±40V bus fault protection capability to prevent unexpected voltage surges

Low-power design: Extremely low standby current, meeting modern automotive energy-saving requirements

The TLE7250SJ has obtained AEC-Q100 Grade 1 certification, ensuring reliable operation under extreme temperature conditions. The TLE7250SJ is packaged in an SOIC-8 package, facilitating PCB layout design, and is widely applied in critical areas such as body control modules, powertrain systems, and in-vehicle network gateways.

The application value of the TLE7250SJ in automotive electronic systems:

In modern automotive electronic architectures, the CAN bus plays an increasingly important role as the backbone communication network. The Infineon TLE7250SJ high-speed CAN transceiver, with its outstanding performance, demonstrates unique value in multiple automotive electronic application areas:

1. Core communication for Advanced Driver Assistance Systems (ADAS)

As autonomous driving technology advances, ADAS systems must process massive amounts of data from radar, cameras, and lidar. The TLE7250SJ's support for 2Mbps high-speed CAN FD communication provides sufficient bandwidth for sensor data fusion and control command transmission. Its excellent EMC performance ensures stable operation in complex automotive electromagnetic environments, preventing safety hazards caused by communication errors.

2. Electric Vehicle Powertrain Control

In electric vehicles, the TLE7250SJ is widely used for communication between the battery management system (BMS), motor controller, and vehicle control unit (VCU). The device's wide temperature range (-40°C to +150°C) enables it to withstand the high-temperature environment of an electric vehicle's powertrain compartment, while its ±40V bus fault protection feature effectively mitigates interference from high-voltage systems.

3. In-vehicle Infotainment and Smart Cabin

Modern smart vehicles' infotainment systems demand increasingly higher data transmission rates. The TLE7250SJ's support for the high-speed CAN FD protocol provides an efficient channel for high-definition audio and video data transmission while maintaining compatibility with traditional CAN nodes, facilitating system upgrades and expansion.

4. Body Control and Comfort Systems

Although body control systems typically do not require extremely high bandwidth, the TLE7250SJ's high reliability and low power consumption make it an ideal choice for body control modules in high-end vehicles. The TLE7250SJ supports multiple power-saving modes, significantly reducing static current during vehicle sleep mode, which helps extend the range of electric vehicles.