Overview
Solutions
HW Evaluation Tools
Resources
Tools and Software
Key Products
Get Started

While electro-mobility is bringing evident benefits for greener driving, it also admittedly hard to hear electric cars driving at low speeds especially in front of schools, at pedestrian crossings or traffic lights. With the clear duty to ensure traffic safety and to protect people, especially those who are visually impaired or who rely on their hearing, the automotive industry is asked to meet international requirements as positively as possible, providing electric cars with an 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 the lowest speed range beyond which the noise generated by rolling tires can be easily heard.

ST 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.
 

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      AN4218
      Hardware design guideline power supply and voltage measurement
      3.0
      1.4 MB
      PDF
      AN3399
      L99PM62GXP external voltage regulation with bipolar transistor
      2.2
      887.57 KB
      PDF
      AN2689
      Protection of automotive electronics from electrical hazards, guidelines for design and component selection
      3.1
      797.51 KB
      PDF
      AN4218

      Hardware design guideline power supply and voltage measurement

      AN3399

      L99PM62GXP external voltage regulation with bipolar transistor

      AN2689

      Protection of automotive electronics from electrical hazards, guidelines for design and component selection

    • Description Version Size Action
      TN1296
      I2S emulation on DSPI
      1.0
      380.75 KB
      PDF
      TN1296

      I2S emulation on DSPI

Publications and Collaterals

    • Description Version Size Action
      Automotive-grade high-speed protection against ESD 1.0
      1.51 MB
      PDF
      FDA Family – Full digital audio amplifiers for car infotainment systems 1.0
      911.83 KB
      PDF

      Automotive-grade high-speed protection against ESD

      FDA Family – Full digital audio amplifiers for car infotainment systems

    • Description Version Size Action
      Diodes and rectifiers selection guide 2.0
      815.09 KB
      PDF
      Power amplifiers and voltage regulators
      750.29 KB
      PDF
      Protection devices and integrated EMI filtering selection guide 2.0
      743.69 KB
      PDF
      Protection devices selection guide 1.0
      1.27 MB
      PDF
      SPC58 B/C/G-lines - Automotive MCUs for car body & security 1.0
      749.41 KB
      PDF

      Diodes and rectifiers selection guide

      Power amplifiers and voltage regulators

      Protection devices and integrated EMI filtering selection guide

      Protection devices selection guide

      SPC58 B/C/G-lines - Automotive MCUs for car body & security

    • Description Version Size Action
      Driving Electromobility 1.0
      1.66 MB
      PDF
      Power Management Guide 06.2019
      5.5 MB
      PDF

      Driving Electromobility

      Power Management Guide

Design Tools

    • Part Number

      Transient voltage suppressor smart selection tool

Development Tools

Automotive Analog and Power

Part number Description
L99PM62GXP Power Management IC with LIN and high speed CAN
Part number
Power Management IC with LIN and high speed CAN

Automotive Infotainment and Telematics

Part number Description
FDA903D 1 x 45 W class D digital input automotive power amplifier with load current monitoring, wide voltage operation range for car audio and telematic - slug down version
Part number
1 x 45 W class D digital input automotive power amplifier with load current monitoring, wide voltage operation range for car audio and telematic - slug down version

Automotive Microcontrollers

Part number Description
SPC582B60E1 32-bit Power Architecture MCU for Automotive General Purpose Applications - Chorus family
Part number
32-bit Power Architecture MCU for Automotive General Purpose Applications - Chorus family

Protection Devices

Part number Description
ESDCAN01-2BLY Automotive dual-line TVS in SOT23-3L for CAN bus (12 V system)
ESDLIN1524BJ Transil™, transient voltage surge suppressor diode for ESD protection
SM4TY Automotive 400 W TVS in SMA
Part number
Automotive dual-line TVS in SOT23-3L for CAN bus (12 V system)
Transil™, transient voltage surge suppressor diode for ESD protection
Automotive 400 W TVS in SMA