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Infineon TLE9255WLC Automotive 5Mbps CAN Transceiver

Shenzhen Mingjiada Electronics Co., Ltd, as a world-renowned authorised independent distributor of electronic components, has been focusing on the supply of high-quality components for a long time. Here are the details of Infineon TLE9255WLC automotive CAN transceiver:

TLE9255WLC Technical Characteristics

Infineon TLE9255WLC is a high-performance automotive CAN FD transceiver in an advanced PG-TSON-14-EP (3x4.5) package designed for the harsh automotive electronics environment. Fully compliant with ISO 11898-2 (2016), the device supports both legacy CAN (Controller Area Network) and CAN FD (Flexible Data-rate) communication protocols, with a maximum data rate of up to 5Mbps, to meet the growing demand for high-bandwidth communication in modern automotive electronic systems.

The TLE9255WLC offers the following outstanding technical features:

Wide Operating Voltage Range: 4.75V to 5.25V supply voltage range to adapt to common power fluctuations in automotive electronic systems.

Wide operating temperature range: -40°C to 150°C (TJ) operating temperature range ensures reliable operation in extreme environments and fully meets the requirements of automotive grade applications.

Excellent EMC performance: The TLE9255WLC offers a wide common-mode range for excellent electromagnetic immunity (EMI), as well as extremely low electromagnetic emissions (EME) to help pass stringent automotive EMC test standards.

Powerful protection features: Including ±8kV ESD protection (compliant with ISO 61000-4-2), short-circuit protection (to ground and battery), over-temperature protection, etc., which dramatically improves system reliability.

Flexible network management: TLE9255WLC supports CAN Partial Network (CAN PN) function, which enables selective wake-up of network nodes and significantly reduces vehicle quiescent current consumption.

CAN FD Compatibility: The TLE9255WLC not only supports traditional CAN communication, but also handles CAN FD messages up to 2Mbit/s. It also has a CAN FD tolerance feature that allows non-CAN FD capable microcontrollers to be used in a CAN FD network.

Functional Architecture and Interface Features of the TLE9255WLC

The TLE9255WLC has an integrated SPI interface inside to configure the device's wake-up function, INH output control, mode control, and undervoltage control parameters, providing a high degree of flexibility for different automotive application scenarios. Its main functional modules include:

Power Management Unit: Designed with independent power supply for VCC and VBAT pins, the device supports local wake-up inputs and low-power modes to optimise system power consumption.

CAN Physical Layer Interface: Includes a CAN transceiver compliant with ISO 11898-2 standard, supporting high-speed differential signal transmission and reception.

Protection Circuitry: Integrates multiple protection mechanisms, including bus pin short circuit protection, thermal shutdown, and under voltage lockout.

Diagnostic Function: Provides rich status monitoring and fault diagnostic capability, which facilitates system maintenance and troubleshooting.

TLE9255WLC in Automotive Electronics

Infineon TLE9255WLC, as a high-performance automotive grade CAN FD transceiver, plays a key role in modern automotive electronic systems. With the increasing degree of automotive electronics and intelligence, the number of in-vehicle electronic control units (ECUs) has increased dramatically, which puts forward higher requirements on in-vehicle network communication bandwidth and reliability. the TLE9255WLC has become the preferred solution for many automotive electronics design engineers due to its excellent performance and reliability.

Typical Application Scenario Analysis

Body Control System:

In modern automobiles, the TLE9255WLC is widely used in Body Control Modules (BCMs), responsible for the communication interface for door locks, power windows, seat adjustments, mirror control, etc. The TLE9255WLC Partial Networking (PN) feature allows specific nodes to be woken up when needed, while other nodes remain dormant, significantly reducing the overall car The TLE9255WLC Partial Network (PN) function allows specific nodes to be woken up when needed and other nodes to remain dormant, significantly reducing the vehicle's quiescent current consumption, which is particularly important for new energy vehicles to extend range.

Powertrain systems:

In the engine control unit (ECU) and transmission control module, the TLE9255WLC is used to exchange data with other systems in the vehicle, such as engine speed, throttle position, transmission status, etc. The TLE9255WLC's wide temperature range (-40°C to 150°C) ensures reliable operation in high-temperature environments, such as the engine compartment. New Energy Vehicle Applications

New Energy Vehicle Applications:

The TLE9255WLC is commonly used in key systems such as battery management systems (BMS), motor controllers, on-board chargers, etc. in electric and hybrid vehicles. The TLE9255WLC's CAN FD support meets the need for high-speed transmission of large amounts of monitoring data in high-voltage systems, while its strong EMC performance ensures communication stability in the face of interference from high-powered electronic devices. Stability.

Advanced Driver Assistance Systems (ADAS):

With the popularity of ADAS functions, the TLE9255WLC is used in the communication interface of environment-aware sensors such as radar and cameras. The high-speed data transmission capability and low-latency characteristics of the TLE9255WLC device are crucial for the implementation of safety-critical functions such as emergency braking and adaptive cruise control.