Design Con 2015

Automotive

Carolyn Mathas
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.

A master vibrator replacement for the Model T & TT Ford

Here’s something for you antique car enthusiasts. Read More...

Sensors lead the way in Mercedes-Benz future car

Automotive sensor technology is takes a giant stride forward in a futuristic luxury concept car that's part chauffeur, part lounge, and part entertainment theater. Read More...

Toyota announces it's giving away its fuel cell patents

Toyota Motor Corp made its case for a hydrogen future this week, rolling out the hydrogen-powered Mirai and saying that it will grant royalty-free use of thousands of fuel cell patents to competitors. Read More...

Bridging the gap between speed and power in Asynchronous SRAMs

The Asynchronous SRAM space is divided between two very distinct product families – fast and low power – each with its own set of features, applications, and price. Read More...

Product how-to: Achieving STARC and DO-254 compliance using HDL Coder-generated code

Learn how to transform models into standards-compliant, high-reliability HDL. Read More...

ADAS takes greater control in 2015

Advanced driver assistance systems are the precursor of autonomous vehicles and in 2015, much will take place on the regulatory, standards, and innovation fronts that will result in faster adoption across a greater number of systems. Read More...

The basics of automotive cluster device architectures and applications

Given system complexity there is greater demand for a more user friendly, lucrative and cost-effective solution to support a wide range of automotive cluster applications. This article provides the basics regarding the components of such a solution. Read More...

Choosing your car by the data plan it offers

In addition to car brand loyalty, the consumer community now has to contend with "cross over loyalty" on cellular providers. Read More...

Transparent car shows automotive’s future

From vehicle-to-vehicle and vehicle-to-infrastructure communications, the once isolated and stand-alone automobile is fundamentally changing. Read More...

Freescale brings the Internet of Things to a safer vehicle

Two recent announcements by Freescale ensure the reality of an IoT car and a safer vehicle through tire-pressure sensing. Read More...

TI DRA75x processors blur the line between infotainment and informational ADAS

“Jacinto 6 Ex” improves performance and integration with the use of two embedded vision engines (EVEs) to deliver simultaneous informational ADAS and infotainment functionalities without compromise to either system. Read More...

TI drives ADAS into entry and mid-level cars

Advanced driver assistance systems (ADAS) have been, to date, offered in high-end luxury cars where the vehicle’s price tag warrants the added expense. Read More...

Design Capacitive Touch Sensors in Five Easy Steps--Part II

The second segment in this five-part series covers layout necessary to replace mechanical buttons with capacitive sensing. An example is offered in support of the article. Read More...

Aerodynamics utilizes new tools

The automotive industry has long been an early adopter of CAD tools and computer systems to help determine the best design and to aid in its manufacture, and aerodynamics design is no exception. Read More...

Audio bus technology from ADI takes on MOST, Ethernet AVB

An audio signal distribution system for automotive use developed by Analog Devices could emerge as a strong competitor to established infotainment bus systems like MOST and Ethernet AVB. Read More...

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Antilog converter linearizes carbon dioxide sensor

Simplify gas sensor interface with some analog preprocessing. Read More...

LTC Design Note: 65V 500mA step-down converter fits automotive and industrial applications

This switcher is happy to drop a 60V input all the way down to 0.8V. Read More...

Inductively sense aircraft engine valve position

Aircraft engine designers are conservative by nature, but here's a way to improve performance anyway. Read More...

Design Notes: 42V 2.5A Synchronous Step-Down Regulator with 2.5μA Quiescent Current

This efficient solution allows for small inductors and high switching frequency. Read More...

Precision capacitance meter

There's an art to capacitance measurement. What do you think of this rendition? Read More...

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...

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Two-string HB automotive LED driver provides 10000:1 dimming ratio

For use in automotive display backlights, automotive lighting applications and LCD backlights, Maxim has posted detail of the MAX16838B which it says is the only-available 2-String HB LED driver providing 10000:1 dimming ratio. Read More...

Triple LED controllers for rear lights

The IC family E522.80/81/82/83 from Elmos AG is an LED controller device, designed for applications like automotive rear lights. The devices offer three channels each, with a maximum current of 140 mA. Read More...

Tact switch combines resilience, excellent operating feel

In response to the strict robustness and resilience requirements in the automotive industry, component manufacturer, ALPS Electric has developed and commenced mass production of the SKTH Series TACT Switch. Read More...

EDN Hot 100 products of 2014

Of the many thousands of products announced during the past year, these are 100 that especially caught the attention of our editors and our readers. Read More...

Auto-grade photovoltaic MOSFET driver debuts at Electronica

Avago launches a photovoltaic MOSFET driver qualified to AEC-Q100 Grade 1 test guidelines, making it the first such device usable in "under-the-hood" high-temperature automotive applications. Read More...

CogniVue, Fraunhofer debut supersmall camera at Electronica

Fraunhofer's driver-assist microcamera, exhibited at Electronica in Munich, uses CogniVue's image processing technology and a Freescale Semiconductor image cognition processor based on CogniVue's IP. Read More...

Freescale brings the Internet of Things to a safer vehicle

Two recent announcements by Freescale ensure the reality of an IoT car and a safer vehicle through tire-pressure sensing. Read More...

TI DRA75x processors blur the line between infotainment and informational ADAS

“Jacinto 6 Ex” improves performance and integration with the use of two embedded vision engines (EVEs) to deliver simultaneous informational ADAS and infotainment functionalities without compromise to either system. Read More...

TI drives ADAS into entry and mid-level cars

Advanced driver assistance systems (ADAS) have been, to date, offered in high-end luxury cars where the vehicle’s price tag warrants the added expense. Read More...

Linear Technology 2A buck converter is 93% efficient at 2MHz

With many switching buck regulators on the market today that are capable of improving an automotive system design it is hard to choose the optimum one for your design. Read More...

Software turns oscilloscope to motor-drive measurements

Teledyne LeCroy's HDO8000 12-bit oscilloscope now has software specifically for measuring power and efficiency on three-phase motor drives, variable-frequency drives, and the electronics that power them. Read More...

MAX10 broadens the FPGA field

Altera's MAX series has graduated from CPLD to FPGA, and sports some unique features. Read More...

500 MHz Oscilloscope for $5000 and a touch screen, too

Teledyne LeCroy's WaveJet Touch brings touch screens to a basic oscilloscope. Read More...

IR sensor array sees a wider field of view, with low-noise imaging

Low-cost infra-red (IR) arrays provide precise imaging data and detailed heat signatures for both static and dynamic objects can be derived, and find applications in security, automotive, building automation and consumer electronics. Read More...

Programmable wireless charging ICs & ref designs target consumer, automotive

Freescale claims that in contrast to some competing products that restrict customisation, its new offerings allow design innovation and enable the rapid development of differentiated wireless charging systems. Read More...

Multiband automotive tuner ICs deliver best-in-class radio performance

The Si4790x automotive receiver family scales from economical, single-tuner designs to premium, multi-tuner car radio systems. Read More...

Driver chip provides 7-channel drop-in Darlington replacement

This 7-channel, NMOS low-side driver replaces Darlington transistor arrays in high-voltage systems; the drop-in compatible relay driver reduces power, cost and board space. Read More...

Ultracap boasts 3400 farads, boosts transportation reliability

Maxwell Technologies, Inc. has added to the company's K2 series of ultracapacitor cells with a 2.85-volt, 3400-farad ultracapacitor cell that increases the range of available specific power and stored energy in the industry-standard 60 mm cylindrical 'K2' form factor. Read More...

8-channel scope is tailor-made for power electronics measurement

With more channels, high-definition, and higher bandwidth, Teledyne LeCroy's HDO8000 oscilloscope is ideal for high-power three-phase power electronics systems analysis. Read More...

B+K Precision expands programmable power-supply line

B+K Precision has expanded its line of test-system power supplies by increasing voltage range and adding automotive tests. Read More...

Fully digital automotive class-D amp shrinks head unit BOM

The STMicroelectronics FDA2100LV automotive power amplifier with full digital architecture helps minimize noise issues and reduce BOM by up to 50% for vehicle head units and sound boosters. Read More...

Intelligent battery sensor for automotive and industrial

Today’s trends in the battery market include complex battery algorithms, higher communication data rates with the CAN bus, better safety for Li-Ion batteries and increased mission-critical dependence on energy availability. Read More...

High-voltage/high-current connector meets commercial EV challenges

Capable of handling up to 1000 V and 250 A per contact, the connectors withstand even the most extreme shock and vibration conditions found in today’s commercial vehicles. Read More...

Rectangular, low profile LED opens up design options

The Synios E4014 LED from Osram Opto Semiconductors features a rectangular and low profile shape so that, with the design, light is easily injected into light guides and uniformly distributed. Read More...

Automotive gate drivers offer ultra-low propagation delay

For applications in vehicles with 48V and 400V supply voltages such as hybrid and electric drives, Texas Instruments has developed the UCC275xx-Q1 product family of AEC-Q100-qualified single- and dual-channel gate drivers. Read More...

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Teardown: Heads-up thermal imaging camera

Wow, thermal imaging in the car. Read More...

Teardown: Airbag controller

Check out this airbag controller teardown, courtesy of Dave Jones from the EEVblog. Read More...

Teardown: OBD-II Bluetooth adapter

Peer inside an unbelievably low-cost OBD-II to Bluetooth "dongle." Read More...

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...

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...

>> SEE ALL

A master vibrator replacement for the Model T & TT Ford

Here’s something for you antique car enthusiasts. Read More...

Sensors lead the way in Mercedes-Benz future car

Automotive sensor technology is takes a giant stride forward in a futuristic luxury concept car that's part chauffeur, part lounge, and part entertainment theater. Read More...

Toyota announces it's giving away its fuel cell patents

Toyota Motor Corp made its case for a hydrogen future this week, rolling out the hydrogen-powered Mirai and saying that it will grant royalty-free use of thousands of fuel cell patents to competitors. Read More...

LEDs for liquid crystal display (LCD) backlighting – Part 1

The first installment of this two-part series introduces the types and structures of LED LCD backlight units. This is followed by a dive into the technological developments and market trends which are driving the evolution of LED displays. Read More...

Bridging the gap between speed and power in Asynchronous SRAMs

The Asynchronous SRAM space is divided between two very distinct product families – fast and low power – each with its own set of features, applications, and price. Read More...

The changing role of LEDs in automotive lighting - Part 2

Part 2 of an excerpt from the book "Nitride semiconductor light-emitting diodes (LEDs)" looks at the key differences between LED and filament sources in terms of visual responses, as well as the energy and environmental implications for LEDs in automobiles. Read More...

The basics of automotive cluster device architectures and applications

Given system complexity there is greater demand for a more user friendly, lucrative and cost-effective solution to support a wide range of automotive cluster applications. This article provides the basics regarding the components of such a solution. Read More...

The changing role of LEDs in automotive lighting applications - Part 1

Part 1 of an excerpt from the book "Nitride semiconductor light-emitting diodes (LEDs)". This installment explores the photometric requirements of vehicular lighting illumination and signaling systems and how LED light sources are being used to create innovative solutions to meet them. Read More...

Design Capacitive Touch Sensors in Five Easy Steps--Part II

The second segment in this five-part series covers layout necessary to replace mechanical buttons with capacitive sensing. An example is offered in support of the article. Read More...

8 Ways to clarify spurious emissions

Avoid confusion among engineers by defining terms such as carrier and bandwidth right up front. Read More...

Design capacitive touch sensors in five easy steps--Part 1

In this article series, we will focus on how to design reliable capacitive touch sensors in five easy steps. Read More...

RESET definition and circuit implementation inside an Automotive Electronic Control Unit

Here are the basics, the nuts and bolts, for a complete understanding of the RESET sequence for an MCU in automotive apps. Read More...

Trends in Automotive Infotainment

This article discusses the challenges in connectivity and solutions available for them, including how to enable on chip radio and audio processing. Read More...

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Don’t neglect the humble battery connector

We pay considerable attention to batteries and their technologies, but the lowly connector is just as important to a successful, reliable DC supply. Read More...

Let's get LEDucated!

Join me March 5&6 in NY City at the LEDucation conference! It lives up to its name by providing both a chance to kick the tires on the latest LED lighting products and to attend a program of highly-informative panels, seminars and workshops led by some of the industry's top authorities. Read More...

High tech EV shows the future of electronics in automobiles

Renovo has a very high tech EV that will make a significant contribution to electronics in automobiles going forward. Read More...

Contest winners target environmental problems

Participants in the North Texas Apps Challenge talk about the winning ideas that scored $80,000. Read More...

Choosing your car by the data plan it offers

In addition to car brand loyalty, the consumer community now has to contend with "cross over loyalty" on cellular providers. Read More...

Transparent car shows automotive’s future

From vehicle-to-vehicle and vehicle-to-infrastructure communications, the once isolated and stand-alone automobile is fundamentally changing. Read More...

Vehicle-to-X tech: 1,300km drive starts at Electronica

A group of companies and organizations will give the start signal for a large practical test of the Vehicle-to-X (V2X) communication technology. Read More...

Book review: Controlling Radiated Emissions by Design

This near-classic EMC book, now in its third edition, keeps pace with todays radiated emissions problems using easy-to-understadn examples. Read More...

Audio bus technology from ADI takes on MOST, Ethernet AVB

An audio signal distribution system for automotive use developed by Analog Devices could emerge as a strong competitor to established infotainment bus systems like MOST and Ethernet AVB. Read More...

Reflections on autonomy and anonymity (of cars and people)

Inter-car connectivity is bound to skyrocket, but will your privacy prevail? Read More...

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