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Automotive

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Suzanne Deffree
Editor
Cars have become computers on wheels, with more and more automotive design being driven by electronics. Stay up to speed on automotive design with this site. Topics discussed include hybrid and electric vehicles (EVs), infotainment, safety systems, solid-state lighting, powertrain, x-by wire, Human Machine Interface (HMI), telematics/in-vehicle navigation, and more.
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Recovering energy from the drive

In the wake of hybrid and full EV vehicles entering the market, the auto industry is looking at both old and new ways to improve gas mileage. One method starting to make inroads to "everyday" vehicles is the use of regenerative braking systems. Read More...

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On-board diagnostics not just for racing anymore

In the past, only performance and racing enthusiasts took the time and effort to install telemetry systems into their vehicles so they could track the data being produced by the car for analysis. Today this kind of information is becoming available to any vehicle owner with a smartphone. Read More...

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Product How-To: Progressive regenerative braking using real-time speed sensing

This article describes the theory behind a simple and very effective technique that uses motor speed sensing and looks at a practical example. Read More...

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Intelligent LEDs will dramatically improve nighttime driving

I don’t know about you, but each year, prescription glasses or not, driving at night is increasingly difficult. There’s a Federal Ministry of Education and Research (FMER) research project underway designed to make driving at night much safer. Read More...

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Eliminating soldering in automotive electronic systems manufacturing

This article addresses the key advantages to compliant pin technologies as well as important design guidelines when manufacturing automotive electronics. Read More...

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Product How-To: High-quality wireless audio in the car

As the home environment marches towards the reality of wireless connectivity, car drivers and passengers are expecting the same functionality and freedom associated with a wire-free environment. New developments in Bluetooth, the most ubiquitous of wireless protocols, offer the potential to make this possible. Read More...

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Beat the automotive data-net bottleneck with new ICs, topologies

This article describes a high-speed vehicle network technology that can support the many displays and other functions users expect, while avoiding cabling and connector issues in auto applications. Read More...

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Audio synthesis and noise reduction in modern vehicles

Audio optimization has become a mainstream issue for today’s auto designers. From compensating for the absence of engine noise to keeping sound levels down in the vehicle interior, audio synthesis and noise suppression solutions can help. Read More...

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Touchscreens become the new console

To help simplify the driving experience and keep people in touch with the latest options in the car, touchscreens are making their way to the central console. Unlike consumer mobile devices however, the automotive systems need to be rugged for a long life operation in addition to the extended operation environment, daylight readable design and multiple touch options. Read More...

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25,000 DMIPS-capable SoC targets the automotive infotainment market

Capable of delivering more than 25,000 DMIPS, the R-Car H2 automotive SoC is designed to provide high performance and state-of-the-art 3D graphics capabilities for high-end multimedia and navigation automotive systems. Read More...

>> SEE ALL
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Sense automobile high-side current with discrete components

Use this circuit to convert a current into a voltage for measurement. Read More...

Current monitor uses Hall sensor

Use a Hall-effect sensor to measure dc current in the range of 0 to 40A. Read More...

Simple circuit helps to protect a vehicle-reverse camera

Add a delay to prevent short power pulses as you shift through reverse. Read More...

Solar-powered sensor controls traffic

A traffic-sensor post measures vehicle location and speed at an intersection, providing an accurate, effective, inexpensive approach to monitoring traffic flow. Read More...

Power USB devices from a vehicle

Supply power to two USB devices from the cigarette lighter or other power source. Read More...

Automotive switching regulators get input-transient-voltage protection

A simple scheme protects switching regulators against 50V voltage transients in automotive applications. Read More...

Automotive link uses single wire

In the automotive industry, in which the goal is to produce cars with simpler, lighter wiring looms, any interface that uses just one wire instead of two offers a distinct advantage. The circuit in Figure 1 implements a bidirectional link using a single wire, with the car's chassis or ground conductor providing a negative return path. Read More...

>> SEE ALL
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Automotive platform allows IP-based testing

Ruetz System Solutions has added several new functions to its TTsuite software for automotive data-communication testing, including seamless IP-based testing and the creation of test cases from capture files. Read More...

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Auto design kit implements intelligent battery sensor

A production-ready reference design from ams teams the company’s AS8515 data-acquisition front-end IC with an ARM Cortex-M3 core microcontroller to create an automotive IBS (intelligent battery sensor) for 12-V batteries. Read More...

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Simulation tool eases automotive-suspension design

Automotive Simulation Models (ASMs) from dSpace—open Simulink models for the real-time simulation of passenger cars and trucks, as well as their components—now include a module for designing and simulating wheel suspensions on a virtual test bench. Read More...

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Factory-programmable linear Hall-effect sensor ICs for high-bandwidth applications

Two new factory one-time programmable automotive-grade linear Hall-effect sensor ICs eliminate the need for customers to optimise or program the devices for their finished sensor assemblies. Read More...

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25,000 DMIPS-capable SoC targets the automotive infotainment market

Capable of delivering more than 25,000 DMIPS, the R-Car H2 automotive SoC is designed to provide high performance and state-of-the-art 3D graphics capabilities for high-end multimedia and navigation automotive systems. Read More...

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Microcontrollers reduce automotive ECU count

Freescale Semiconductor has expanded its Qorivva and S12 MagniV vehicle-body-network microcontroller series with devices that integrate connectivity, functional safety, security, and network management, trimming the number of required ECUs and associated heavy copper wiring in automobiles. Read More...

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LIN IP core provides inexpensive automotive serial network

The DLIN IP core for local interconnect networks by Digital Core Design provides low-cost integration of intelligent sensor devices or actuators in automotive applications. Read More...

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Compact ozonizer removes germs, eliminates odors in consumer, automotive accessory apps

Murata's ultra-compact MHM500 ozonizer module is constructed on a low temperature co-fired ceramic (LTCC) element. Read More...

Security module protects automotive electronics from hacking and tampering

Toshiba Electronics Europe (TEE) has revealed a security module for automotive microcontrollers, which meets advanced industry standards aimed at protecting vehicle electronics against hacking, tampering and software IP theft. Read More...

Multi-tuner chip with audio DSP enables compact car radios

NXP Semiconductors has introduced a combined car radio and audio system fully integrated on a single IC. Read More...

>> SEE ALL
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Teardown: High-voltage Li-ion battery stack management - the drive for safe power

At the heart of the Chevrolet Volt, a sophisticated Li-ion battery stack management system ensures the safety and reliability of a multi-cell Li-ion battery stack capable of delivering power on demand to the Chevy Volt drive system. Read More...

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Teardown reveals Chevy Volt's electronic secrets

Beyond battery chemistry and electric propulsion and control, the Chevy Volt enhanced-range electric vehicle builds in flexibility, ruggedness, and diagnostics—with attention to quality construction. Read More...

Bulldog Security RS82B remote-vehicle-starter system

Microprocessor-controlled relays let you start your car 100 yards away. Read More...

The Tesla Roadster: Sporty and electric

Prying Eyes: A modern electric sports car presents a unique design challenge. Read More...

The 24V, 300W, BLDC Kollmorgen motor integrated controller

A motor mixes mechanical and electrical beauty with questionable thermal design. Read More...

Under the hood of hybrid vehicles

Energy- and emission-efficient automobiles are increasingly relying on both combustion engines and electric motors for power. Read More...

Hybrids mark the end of the stinky city bus

Prying Eyes looks inside a hybrid gas-electric bus powered by 288 ultracapacitors. Read More...

It's all about µ

Engineers have found a way to keep vehicles stable while driving on slippery surfaces. Now they need to cut the technology's cost so they can convince the public to buy it. Read More...

>> SEE ALL
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Product How-To: Progressive regenerative braking using real-time speed sensing

This article describes the theory behind a simple and very effective technique that uses motor speed sensing and looks at a practical example. Read More...

image

Eliminating soldering in automotive electronic systems manufacturing

This article addresses the key advantages to compliant pin technologies as well as important design guidelines when manufacturing automotive electronics. Read More...

image

Beat the automotive data-net bottleneck with new ICs, topologies

This article describes a high-speed vehicle network technology that can support the many displays and other functions users expect, while avoiding cabling and connector issues in auto applications. Read More...

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Audio synthesis and noise reduction in modern vehicles

Audio optimization has become a mainstream issue for today’s auto designers. From compensating for the absence of engine noise to keeping sound levels down in the vehicle interior, audio synthesis and noise suppression solutions can help. Read More...

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Mechanical buttons to capacitive sensing—A step-by-step guide--Part I

Here’s a four-part series on replacing all those old mechanical buttons with a capacitive sensing upgrade. The series will cover common difficulties and how to achieve a seamless transition. Read More...

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Slideshow: Cool LED design for hot 2013 cars

Vehicles are being upgraded, differentiated, and enhanced with lighting and 2013 vehicles are particularly representative of some pretty cool lighting changes—pun intended. Read More...

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Fundamentals of the automotive cabin climate control system

Each manufacturer has its own distinct method for delivering the perfect climate for individual passengers; however, they all rely on certain similar components. Read More...

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Motion sensors de-mystified

Here’s why motion tracking has been so widely underestimated and how this situation will change. Read More...

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How hybrid electric vehicles can pay off

Dr. Edward Lovelace of XL Hybrids examines the energy consumption pay off of hybrid electric vehicles. Read More...

>> SEE ALL
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Eliminating soldering in automotive electronic systems manufacturing

This article addresses the key advantages to compliant pin technologies as well as important design guidelines when manufacturing... Read more...

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Self-driving car pushes sensor technology
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Electronics engineering and the art of automatic...
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