LIN slave MLX80104 Enables Easy LIN Connection of Switch Modules and IO-Extensions

YPRES, Belgium, October 14, 2010 /PRNewswire-FirstCall/ -- Melexis extends its family of smart LIN slave IC's with a new Generation of reconfigurable LIN switch slave. MLX80104 can be used to interface with any door, roof, seat, steering wheel, dashboard, HVAC, light control or similar switch module as well as for other application require an easy access via LIN. The integration of LIN physical layer, voltage regulator and integrated application IO's results in a reduction in component cost. The integration of LIN controller and approved LIN driver make switch modules speak LIN in no time.

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Incorporating the Melexis LIN transceiver physical layer, Melexis LIN ASSPs (Application Specific Standard Products) guarantee world leading integrated ESD protection results. The LIN protocol handler meets all LIN standards like LIN2.0, LIN2.1 as well as SAE J2602. In close collaboration with car manufacturers Melexis defines the configuration settings of the ASSPs to assure a straightforward fit across different applications and car platforms.

The MLX80104 is a fully integrated LIN slave one a single Die. All necessary components like physical layer LIN tranceiver, LIN controller, voltage regulator, application controller as well as supporting functions like ADC, PWM generation as well as high voltage capable IOs are integrated. This high integration level reduces the BOM dramatically and enables the development of very compact and small LIN slave modules.

Thanks to the well established Melexis dual task microcontroller implementation, an already approved LIN driver can be used and the application can completely decoupled from the LIN network load. For application software an 16-bit RISC microcontroller is integrated.

The MLX80104 draws less than 50uA of current in sleep mode and it is wake up capable via the LIN Bus as well as via connected switches or other wake up sources. The LIN slave supports switches in matrix as well as single switch configuration connected to 18 available IOs. All IOs are high voltage resistant and therefore also remote off module connections can be supported. Via eight interrupt capable IOs rotary encoder are supported. Different analog inputs can convert any analog signal like resistive encoders and resistive switches. An internal battery monitor enables supply voltage dependend functions.

To illuminate the switch module panel, 8 open drain PWM outputs are available with configurable PWM base frequency from 45Hz to 45kHz. With a message from the LIN master the LED output intensity can be adjusted according to OEM specific requirements.

All the above functions are implemented on one piece of silicon in an very small 5x5mm QFN package. This enables together with a minimum of external components LIN slave application on very small PCB space.

"The MLX80104 is the perfect example of a LIN ASSP" says Michael Bender, LIN product line manager at Melexis. "From an application point of view it incorporates state of the art application expertise with maximum configurability into a miniature 5 by 5mm package. The integrated functions gives all needed design freedom, whilst minimizing design time and qualification effort.

There is absolutely no better choice in terms of risk, cost and performance for switch suppliers that want to catch the LIN wave"

    Availability
    Mass production has started and samples are available today
    Contact: Rik Moens, +32-13-670-780, [email protected]
    http://www.melexis.com

SOURCE Melexis

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