IEC 62969-2:2018

Name: IEC 62969-2:2018 — Semiconductor devices - Semiconductor interface for automotive vehicles - Part 2: Efficiency evaluation methods of wireless power transmission using resonance for automotive vehicles sensors
SKU: IEC 62969-2:2018
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Semiconductor devices - Semiconductor interface for automotive vehicles - Part 2: Efficiency evaluation methods of wireless power transmission using resonance for automotive vehicles sensors

Название (английский):

IEC 62969-2:2018

Semiconductor devices - Semiconductor interface for automotive vehicles - Part 2: Efficiency evaluation methods of wireless power transmission using resonance for automotive vehicles sensors

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 21
Дата публикации:: 8 марта 2018 г.
Издание:: IEC IS 62969 edition 1 version 1
ICS:: 31.080.99

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Описание (английский):

IEC 62969-2:2018 specifies procedures and definitions for measuring the efficiency of the wireless power transmission system for the automotive vehicles sensors. This document deals with the power range below 500 mW.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты IEC

Overview

IEC 62969-2:2018 is a pivotal international standard that defines efficiency evaluation methods for wireless power transmission systems using resonance in automotive vehicle sensors. Published by the International Electrotechnical Commission (IEC), this standard targets the power range below 500 milliwatts (mW) and establishes standardized procedures to measure how efficiently wireless power is transferred in automotive environments. It focuses specifically on semiconductor devices and interfaces designed to optimize sensor functionality in modern vehicles through resonant wireless power transfer technology.

This standard covers critical aspects of wireless power transmission (WPT) in automotive sensors, addressing the key components of the wireless power system and their respective contributions to overall system efficiency. By adhering to IEC 62969-2:2018, manufacturers and engineers can ensure compatibility, reliability, and high-performance metrics for automotive wireless sensor power solutions.

Key Topics

Wireless Power Transfer (WPT) Technology: Focuses on transmitting power without physical wires, utilizing resonance frequency to maximize energy transfer efficiency between coils.

Resonant Wireless Power Transfer: Uses magnetic inductive coupling at the resonance frequency between transmitting and receiving coils to enhance power transfer.

Functional Components of the System:

Power Driving Coil: Receives RF power directly from the power generator.
Transmitting Resonator Coil: Transfers power with magnetic resonance.
Receiving Resonator Coil & Load Coil: Receive and deliver power to automotive sensors.
RF Power Generator Unit: Converts DC power from the vehicle into RF power for transmission.
Rectifier: Converts received RF power back to DC power.
DC-DC Converter: Adjusts DC voltage levels to suit sensor requirements.

Efficiency Measurement Procedures: The standard outlines methodologies to calculate:

RF power generation efficiency (conversion from DC to RF).
RF coupling efficiency between coils.
RF rectifying efficiency (conversion from RF to DC upon reception).
DC-DC converting efficiency.
Overall system efficiency considering all components.

Testing Conditions: Measurement across different loading conditions (light to full load) and coupling states (weak to perfect coupling).

Power Range Focus: The specified procedures and terminologies apply for WPT under 500 mW, typical of automotive sensor applications.

Applications

IEC 62969-2:2018 applies primarily to the automotive industry, especially in advancing wireless sensor technologies that eliminate wired power constraints. The standard is critical for:

Automotive Sensor Systems: Ensures efficient operation of sensors powered through wireless means, enhancing vehicle safety, diagnostics, and performance monitoring.

Electric and Hybrid Vehicles: Facilitates integration of wireless sensor interfaces that contribute to complex electronic architectures.

Wireless Charging for Low-Power Automotive Components: Improving reliability and reducing maintenance by minimizing wiring harnesses.

Semiconductor Device Manufacturers: Provides guidelines to design and test semiconductor interfaces that efficiently support resonant wireless power transmission.

Automotive Electronics Testing Laboratories: Establishes uniform test setups and performance benchmarks for wireless power transfer systems in vehicles.

Related Standards

IEC 62969 Series: Other parts of this series cover different aspects of semiconductor interfaces for automotive vehicles and further expand on various wireless power applications.

ISO/IEC Directives, Part 2: The drafting of IEC 62969-2:2018 follows these directives, ensuring coherence with other international standards on electrical and electronic technologies.

General Wireless Power Transfer Standards: While IEC 62969-2 focuses on automotive sensors under 500 mW, other WPT standards address different power ranges and industrial domains.

IEC Technical Committees: Collaboration with IEC Technical Committee 47 (Semiconductor Devices) and other relevant committees ensures consistent terminology and testing techniques.

By standardizing efficiency evaluation methods for wireless resonant power transfer systems in automotive sensors, IEC 62969-2:2018 plays a vital role in the ongoing advancement of automotive electronics. Adherence to this standard helps manufacturers optimize energy use, improve sensor reliability, and support the evolution of smart, wirelessly powered vehicles.

IEC 62969-2:2018

Abstract

Похожие стандарты

Overview

Key Topics

Applications

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