Acoustic Vehicle Alerting System (AVAS)

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While electro-mobility is bringing evident benefits for a greener driving, on the other hand electric cars are admittedly hard to hear when driving at low speeds, i.e. in front of schools, at a crossing or a traffic light. With the clear duty to protect people , especially those with visual impairments and anyone who rely on their hearing, the automotive industry is asked to meet international requirements as positively as possible, providing electric cars with Acoustic Vehicle Alerting System (AVAS): these vehicle warning sounds are designed to alert pedestrians to the presence of electric drive vehicles such as hybrid (HEVs), plug-in hybrid (PHEVs), and full battery electric vehicles (BEVs) travelling at low speeds, especially in that lowest speed range beyond which the tyres rolling noise takes over. 0ST offers the best-in-class solution for your Acoustic Vehicle Alerting System, thanks to its Automotive Class-D Audio Power Amplifiers, embedding diagnostic and speaker current monitor, a power management system IC including CAN and LIN interfaces, together with the ASIL-B 32-bit MCU hosting the firmware for the sound generation.
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我们的AVAS产品

意法半导体为您的车辆声学警示系统（AVAS）提供最佳解决方案，包含其汽车用D类音频功率放大器、嵌入式诊断和扬声器电流监测器、电源管理系统IC（包括CAN和LIN接口），还有 ASIL-B 32位MCU（配有用于声音生成的固件）。

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	Resource title	版本	Latest update

应用手册 (3)

	Resource title	版本	Latest update
PDF	AN4218 Hardware design guideline power supply and voltage measurement	3.0	17 Nov 2021	17 Nov 2021 AN4218 Hardware design guideline power supply and voltage measurement 3.0
PDF	AN3399 L99PM62GXP external voltage regulation with bipolar transistor	2.2	06 Jul 2021	06 Jul 2021 AN3399 L99PM62GXP external voltage regulation with bipolar transistor 2.2
PDF	AN2689 Protection of automotive electronics from electrical hazards, guidelines for design and component selection	3.1	17 Nov 2021	17 Nov 2021 AN2689 Protection of automotive electronics from electrical hazards, guidelines for design and component selection 3.1

技术文档 (1)

	Resource title	版本	Latest update
PDF	TN1296 I2S emulation on DSPI	1.0	25 Sep 2019	25 Sep 2019 TN1296 I2S emulation on DSPI 1.0

选型指南 (2)

	Resource title	版本	Latest update
PDF	Automotive Audio Power Amplifiers	2.0	06 Oct 2021	06 Oct 2021 Automotive Audio Power Amplifiers 2.0
PDF	Diodes and rectifiers selection guide	2.0	17 Mar 2021	17 Mar 2021 Diodes and rectifiers selection guide 2.0

All Hardware Evaluation Tools

评估工具

产品型号	描述	Core product	工具类型	供应商	Sort by: part number
AEK-AUD-C1D9031 批量生产	AVAS solution based on SPC582B60E1 Chorus family MCU and FDA903D Class D audio amplifier	FDA903D , SPC582B60E1	汽车IC评估板	ST	AEK-AUD-C1D9031 批量生产 AVAS solution based on SPC582B60E1 Chorus family MCU and FDA903D Class D audio amplifier
AEK-CON-C1D9031 批量生产	Connector board for MCU and class D audio amplifier	-	交通运输解决方案评估板	ST	AEK-CON-C1D9031 批量生产 Connector board for MCU and class D audio amplifier
EVAL-FDA903D 批量生产	EVAL-FDA903D evaluation board for FDA903D	FDA903D	汽车IC评估板	ST	EVAL-FDA903D 批量生产 EVAL-FDA903D evaluation board for FDA903D

Picture	Solution
	Acoustic Vehicle Alerting System with AutoDevKit SL-SSASF011101V1 批量生产
	Acoustic Vehicle Alerting System Integrated solution with AutoDevKit SL-SSASF011102V1 批量生产