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  • 3 ways radar technology is changing the in-cabin sensing market

    Kishore
    Kishore
    Other Parts Discussed in Post: AWR6843

    Radar sensors are not only changing the way that vehicles sense the environment around them, but also how they sense what and who is occupying them. Imagine a car that is capable of detecting a forgotten child in the backseat or a driver with a medical issue and a system designed to take action to mitigate the situation.

    Radar’s ability to sense through solid materials makes it possible…

    • May 4, 2020
  • Streamlining isolated CAN and power interface designs for 48-V HEV systems

    Anant Kamath
    Anant Kamath
    Other Parts Discussed in Post: ISO1042-Q1, SN6505B-Q1

    This article appeared in Electronic Design and has been published here with permission

    Designing for today’s automobiles is a balancing act.

    Between meeting increasingly strict emissions standards and powering the growing number of on-board systems and gadgets, today’s vehicles need to be as efficient as they are high powered. To achieve this convergence of efficiency…

    • May 1, 2020
  • Enabling the highest performance front-end radar to help bring Vision Zero into reality

    Amit Benjamin
    Amit Benjamin
    Other Parts Discussed in Post: AWR2243, AWR2243BOOST

    For the last several years, two powerful forces have driven the use of active safety measures in advanced driver assistance systems (ADASs): The European New Car Assessment Programme (Euro NCAP) 2025’s Pursuit of Vision Zero traffic safety project and consumer five-star safety ratings.

    Pursuit of Vision Zero will challenge vehicle manufacturers to offer the best…

    • Mar 25, 2020
  • Dark-current measurement in automotive telematics applications

    DHarmon
    DHarmon
    Other Parts Discussed in Post: INA186-Q1, INA190-Q1

    Today’s vehicles have more intelligence and more connectivity than our mobile phones did 20 years ago. They are in near-constant communication with the world, whether through subscription-based communications services or built-in cellular functionality. In the future, this will include vehicle-to-vehicle communication. The core controlling communication to the outside…

    • Mar 4, 2020
  • Exploring connectivity trends for Bluetooth® Low Energy in the car

    Evan Wakefield
    Evan Wakefield
    Other Parts Discussed in Post: CC2642R-Q1

    Connectivity’s ubiquity in the world is certainly gaining momentum in the automotive industry. Many car owners think of automotive wireless connectivity as a simple interaction with an in-car infotainment system, but new applications are emerging, whether it’s personalizing an owner’s interaction with the vehicle, creating a path for lower-power connectivity operation when in…

    • Feb 19, 2020
  • Three questions to ask about wireless BMS for hybrid and electric vehicles

    Mark Ng
    Mark Ng

    (Dan Torres co-authored this technical article.)

    Updated 1/7/21

    Lithium battery cells are continuously getting more affordable and energy dense, and can drive hybrid electric vehicles (HEVs) and electric vehicles (EVs) farther, longer. With these advancements, automotive design engineers can now turn their attention to further enhancing efficiency by reducing the size and weight of the battery management system (BMS…

    • Feb 18, 2020
  • Exploring evolving trends in automotive cluster audio design

    Ben Miller
    Ben Miller
    Other Parts Discussed in Post: TPA6211A1-Q1

    Automotive instrument clusters are in the middle of a revolution. The cluster is rapidly becoming a part of the larger infotainment ecosystem. Consumers are driving around with intelligent, quickly evolving displays on their dash, but the audio chimes – the essential driver alerts that come from a speaker housed inside the cluster – are lagging behind.

    Cluster audio…

    • Feb 17, 2020
  • Always make the right turn: how to design fault circuits in automotive lighting systems

    Madison Eaker
    Madison Eaker

    It's incredibly important to indicate a system failure to users, especially when it comes to automotive lighting.

    Consider the turn indicator in an automotive rear light, for example, which signals that a driver wants to change lanes or make a turn. A common and growing light source for turn indicators is LEDs, driven by a dual-stage LED driver circuit topology that includes a first-stage buck voltage regulator and…

    • Jan 16, 2020
  • Enabling the software-defined car with a vehicle compute gateway platform

    David Maples
    David Maples
    Other Parts Discussed in Post: DRA829V, DRA829

    There are three clear automotive trends: the migration to semi-autonomous and autonomous vehicles, vehicles connected to the cloud with increasing data bandwidths, and vehicle electrification. These trends are driving changes to vehicle architectures. The current vehicle architecture is an ever-increasing number of engine control units (ECUs) connected by low-speed Controller…

    • Jan 7, 2020
  • Making ADAS technology more accessible in vehicles

    Curt Moore
    Curt Moore
    Other Parts Discussed in Post: DRA829V, TDA4VM

    Advanced driver assistance system (ADAS) features have been proven to reduce accidents and save lives. According to Consumer Reports, the Insurance Institute for Highway Safety shows that there were 50% fewer front-to-rear crashes with vehicles equipped with forward-collision warning and automatic emergency braking technology compared to cars without these systems in 2017…

    • Jan 7, 2020
  • What headlight resolution is high enough for symbol projection?

    Brandon Seiser
    Brandon Seiser
    Other Parts Discussed in Post: DLP5531-Q1, DLP3030-Q1

    powertrain

    This article was co-authored by Trevor Dowd.

    Whether the application is your smartphone, your TV or your car’s headlights, having more pixels is usually better. These additional pixels increase the readability of small text and make small details visible on TVs.

    New automotive headlight applications like adaptive driving beam (ADB) became available when technology…

    • Nov 7, 2019
  • Addressing high-voltage current-sensing design challenges in HEV/EVs

    DHarmon
    DHarmon

    Electrification has created a new paradigm in automotive power systems; whether the design is a hybrid electric vehicle (HEV) or fully electric vehicle (EV), there are new design challenges to address. In this technical article, I’d like to highlight some of the primary challenges in high-voltage current sensing and share additional resources to aid and simplify your design process. 

    For an introduction to current…

    • Nov 4, 2019
  • Basic considerations for sensors in the powertrain

    Sandeep Tallada
    Sandeep Tallada

    powertrain

    Designing a better powertrain is the most significant way to reduce automotive emissions. Whether it’s improving the efficiency of a combustion engine or designing electric vehicles (EVs) or hybrid electric vehicles (HEVs), electrification is powering a massive evolution of the powertrain as we know it.

    powertrain

    This white paper, Basic considerations for sensors in the powertrain, examines the future of powertrain sensors…

    • Nov 2, 2019
  • Current-sensing dynamics in automotive solenoids

    Sandeep Tallada
    Sandeep Tallada
    Other Parts Discussed in Post: INA240, INA253, INA253-Q1

    During my first visit to the U.S., my brother and I drove from New York City to Columbus, Ohio. Although the 650-KM (400-mile) journey was long, our car’s automatic transmission and cruise control made the trip more comfortable. The effectiveness of an automatic transmission and cruise control relies on the precise control of proportional solenoids and motors, which…

    • Nov 1, 2019
  • How to save space and BOM costs by sharing microphones across automotive subsystems

    Krunal Maniar
    Krunal Maniar
    Other Parts Discussed in Post: TLV320AIC3109-Q1, TLV320AIC3106-Q1, TLV320AIC3104-Q1

    In the cost-driven automotive industry, reducing bill-of-materials (BOM) costs by sharing resources across multiple subsystems (when possible) can give manufacturers an edge. Traditional automotive end-equipments often use independent hardware to control specific functions of the car, and chances to combine functions may be overlooked.

    …
    • Oct 31, 2019
  • How semiconductor technologies are changing automotive lighting roadmaps

    Arun T. Vemuri
    Arun T. Vemuri
    Other Parts Discussed in Post: TPS92682-Q1, DLP5531-Q1, DRV8889-Q1, TCAN4550-Q1, TCAN1044-Q1, TLIN1029-Q1, LM5155-Q1, TPS929120-Q1, LMR36015, LMR33630-Q1, TLC6C5724-Q1, DLP3034-Q1, DLP5534-Q1

    Adaptive headlight systems | Animated rear lights | Personalized interior lighting | Brighter, customized puddle lights | Transparent window displays

     Automotive lighting from front to rear

    Automotive lighting continues to evolve at breakneck speeds. While LED light sources…

    • Oct 24, 2019
  • Powering infotainment systems of the future

    Zach Imm
    Zach Imm
    Other Parts Discussed in Post: LM5143-Q1

    Everywhere you turn, you hear about “cars of the future.” As the automotive industry continues to make leaps to higher levels of autonomy, how will the driving experience evolve when people less actively drive the car?

    That is no longer a hypothetical question. As our attention will no longer be directed at operating the vehicle, in-vehicle entertainment will become…

    • Oct 7, 2019
  • How connected vehicles leverage data: 3 common questions

    Hope Bovenzi
    Hope Bovenzi

    Connected driving, even though it exists today, still has a long way to go. In the future, vehicles will communicate with the driver, other cars, the road and surrounding infrastructure, pedestrians, and the cloud, all while giving passengers a constant connection.

    Thanks to these increasing levels of connectivity, vehicles will be able to receive, interpret and transmit data – both within the vehicle as well as with…

    • Aug 30, 2019
  • Creating vehicle-to-pedestrian communication using transparent window displays

    Michael Firth
    Michael Firth
    Other Parts Discussed in Post: DLP3030-Q1

    In the future, your vehicle’s windows may display all kinds of information. New automotive technologies promise to turn standard automotive windows into single-color or even full-color dynamic displays. The two primary applications behind this trend are vehicle-to-pedestrian communication and advertising, illustrated respectively in Figures 1 and 2.

     

    Figure 1: Ride-hailing…

    • Aug 1, 2019
  • Using TI mmWave technology for car interior sensing

    Kishore
    Kishore
    Other Parts Discussed in Post: AWR1642, AWR1843, MMWAVE-SDK

    In my previous article, I introduced the use of TI’s 77-GHz millimeter wave (mmWave) sensors for interior sensing applications like child presence detection, passenger detection and intruder detection.

    The need for child presence detection has found its place on the EURO NCAP roadmap, driving car manufacturers to offer this feature. Adding child presence…

    • Jul 25, 2019
  • How PEPS technology is opening the doors to the evolution of car access systems

    Arun T. Vemuri
    Arun T. Vemuri

    Car access has become more convenient as design engineers take advantage of technologies that are widely used in other applications. The automotive industry has evolved from providing mechanical keys to unlock vehicles to fobs with buttons that can unlock vehicles. Now, the most common form of car access revolves around passive entry passive start (PEPS) systems, enabling drivers to enter their car but also start the…

    • Jul 23, 2019
  • The need for speed – The future of radar processing

    Joe Folkens
    Joe Folkens
    Other Parts Discussed in Post: TDA2SX

    RAdio Detection And Ranging (RADAR) systems have been used in many applications for several decades, including everything from weather prediction to law enforcement, with automotive showing up around the turn of the 21st century. This article examines a typical automotive use case and corresponding trends.

    There are millions of 24 GHz-based radar systems on the road today and more…

    • Jul 17, 2019
  • Bluetooth®︎ Low Energy shifts gears for car access

    Vihang Parmar
    Vihang Parmar

    The automotive industry is experiencing a tremendous transformation driven by consumers’ desire to leverage their phone as a key. By using phone-as-a-key, you can now eliminate the need for a traditional key fob in your passive entry passive start (PEPS) system. Bluetooth® Low Energy is a leading technology for this application because it is a versatile technology that is widely adopted in smartphones.

    Figure…

    • Jul 15, 2019
  • Imaging radar: one sensor to rule them all

    Amit Benjamin
    Amit Benjamin

    There is still some confusion in the industry about the different roles that three major sensor types – camera, radar and LIDAR – have in a vehicle, and how each can solve the sensing needs of advanced driver assistance systems (ADAS) and autonomous driving.

    Recently, I had an interesting discussion with one of my friends, who knows I work with TI millimeter-wave (mmWave) sensors for radar in ADAS systems…

    • Jul 9, 2019
  • How to manage coefficient of thermal expansion in automotive designs

    Martin Moss1
    Martin Moss1

    Coefficient of thermal expansion (CTE) is a way of describing how an object, material or liquid changes size with temperature. It’s measured by calculating the percentage change in length of a material per degree change of temperature.

    When heated, the molecules of a substance begin to vibrate and move away from each other, causing expansion; removing heat creates the opposite process. While all materials expand…

    • Jun 18, 2019
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