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Communications between a plug-in EV and the EV supply equipment

April 04, 2012 // Don Shaver, Texas Instruments // 0 comments

Communications between a plug-in EV and the EV supply equipment Download White Paper 236Ko

Texas Instruments (TI) leading power line communications (PLC) technology has enabled Cygnus Electronics to create a PLC hardware and software platform designed for automotive qualification in electric vehicles. Auto-rem implements the Society of Automotive Engineers’ (SAE) J2931-3 specification, which is a narrowband orthogonal frequency division multiplexing (OFDM) proposal for plug-in electric vehicle (PEV) to electric vehicle service equipment (EVSE) communications during PEV battery charging[1]. J2931-3 is based on the upcoming IEEE P1901.2 international narrowband OFDM standard. The auto-rem system uses a TI PLC chipset comprised of an optimized OFDM C2000™ Piccolo™ microcontroller (TMS320F28069)[2] and an integrated analog front end AFE031[3], which integrates more than 100 discrete devices.


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This month Ambiq Micro is giving away five of its 'Apollo EVB' evaluation boards, worth 9 each for EETimes Europe’s readers to assess the capabilities of their cutting-edge Apollo sub-threshold microcontroller.

The new suite of Apollo MCUs is based on the 32-bit ARM Cortex-M4 floating point microcontroller and redefines 'low power' with energy consumption that is typically five to ten times lower than that of MCUs of comparable performance (thanks to Ambiq’s patented Subthreshold Power Optimized Technology platform).


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