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New Products

  Date: 11/05/2014

2 and 4-channel LIN transceiver for automotive body control module

Melexis has launched two and four channel LIN transceiver ICs MLX80002/4 as a single IC replacement for multiple single transceiver ICs used in automotive body control module (BCM).

MLX80002/4 supports BCMs to manage different LIN bus subsystems at the same time. This is more valid due to the release of LIN version 2.x and the release of SAE J2602 networking specification which enables networking functions in sub-systems previously considered to be uneconomical for smart actuators and controls.

MLX80002/4 saves the cost of using additional LIN transceivers by featuring two or respectively four LIN transceivers on one die and is functionally backward compatible to the MLX80001 LIN transceiver IC . MLX80002/4 offer on chip 1kOhm LIN master termination resistors, decoupling diodes and power management function.

In terms of EMC performance MLX80002/4 is designed to emit very low electromagnetic signal supporting the design requirements of networked communication in hostile automotive environments. For the data transmission according SAEJ2602 a special low slew mode is available.

The MLX80002/4 meets the automotive temperature range of -40C to 125C and has on-chip protection against over-temperature, 40V load dump and LIN short to ground. The integrated standby management assures that the MLX80002/4 can wake up from the LIN bus itself or directly from a connected microcontroller or other external source. Further integrated security mechanism like RXD timeout, TxD timeout and sleep timer increases the LIN bus availability in case of fault conditions. To support the demand for decreased standby current the typical current consumption in sleep mode is as low as 10A. Qualified samples are available and come in a space saving 24-pin QFN 4x4 RoHS compliant package. The usage of the same package for both IC versions enables easy scalability of the LIN channels in the application in dependence of the customer requirements. The ICs are fully PPAP and qualified according AECQ-100.



 
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