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VOLUME -27 NUMBER 3
Publication Date: 03/1/2012
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March 2012 Issue
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Melexis Intros Transceiver for Automotive NFC Capability
NFC/RFID transceiver IC.
Nashua, NH — New from Melexis, the MLX90132 is a 13.56MHz, fully integrated, multi-protocol RFID/NFC transceiver IC. It supports ISO/IEC protocols 18092, 14443A and B, 15693 as well as 18000-3. It has been designed to handle subcarrier frequencies from 106 to 848kHz and baud rates up to 848kbit/s. The digital section of the MLX90132 handles the low protocol layers from API to physical layer using advanced bit and frame decoding functions.
Near Field Communication (NFC) is a bidirectional short range communication technology rapidly becoming the technology of choice for access control, point of purchase transactions and data exchange in handheld smartphones worldwide. Automotive manufacturers intend to leverage NFC's strengths in a host of features to enhance the ownership experience. The Melexis MLX90132 Transceiver IC for NFC is designed and qualified for automotive systems, also making it robust and durable in retail, consumer and industrial NFC applications. The MLX90132 embeds tag emulation functionality for NFC support. Enhanced tag and field detection capabilities provide significant power consumption reduction in RFID reader configuration and in NFC mode. The device offers 2 modes and 6 different states of operation allowing ultra low power consumption of the whole system. In hibernate state power consumption is less than 10uA, while in NFC target the device consumes only 2.5mA.
The MLX90132's 256 byte buffer can handle buffering an entire RFID frame. The SPI/UART communication ports guarantee easy interface with the majority of microcontrollers, especially the low cost ones. Major use cases for the MLX90132 are: automotive access and car start; automotive interior setup according to different drivers, such as infotainment, seat position, heating and mirrors; telematics; engine/chassis setup and preference configuration; user authentication — car rentals; support to wireless communication, such as Wi-Fi and Bluetooth, with reduced setup time benefit. The MLX90132 is packaged in a 5 x 5mm QFN package and rated for operation over the temperature range of -40 to +105°C. It is manufactured and qualified according to AEC-Q100 automotive standard.
Contact: Melexis, 15 Trafalgar Square, Nashua, NH 03063
603-204-2900 fax: 603-204-1207 E-mail: firstname.lastname@example.org Web:
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