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  • Functional safety-relevant wireless communication in automotive battery management systems

    Tomas Urban
    Tomas Urban

    A wireless BMS allows vehicle designers can remove heavy, expensive, maintenance-prone cabling and improve the reliability and efficiency of hybrid and electric or hybrid vehicles (HEV/EV). TI’s solution for wireless BMS empowers you to reduce the complexity of your designs, improve reliability and reduce vehicle weight to extend driving range.

    To speed automakers’ development time for wireless BMS, we requested…

    • Jan 12, 2021
  • Processing the advantages of zone architecture in automotive

    Arun T. Vemuri
    Arun T. Vemuri

    Think of a passenger car as a collection of electronic control units (ECUs) that are distributed across the length and breadth of the car and talk to each other using different networks. When adding more advanced automotive electronics for vehicle-to-everything (V2X), automated driving and vehicle electrification, the number of ECUs increases and the amount of data exchanged grows. 

    Moreover, the increased number of ECUs…

    • Dec 11, 2020
  • Lighting the way with DLP® automotive headlights

    Brandon Seiser
    Brandon Seiser
    Other Parts Discussed in Post: DLP5533A-Q1

    Recently, there has been a big push in the automotive lighting industry to improve both vehicle headlight functionality and driver visibility, which has led to the development of adaptive driving beam (ADB) headlights. ADB is an automotive exterior lighting system that automatically controls the high beam, to allow the driver to focus on the road ahead without manually controlling…

    • Nov 30, 2020
  • Powering levels of autonomy: a quick guide to DC/DC solutions for SAE autonomy levels

    Martin Moss1
    Martin Moss1
    Other Parts Discussed in Post: LP5907-Q1, LMR34215-Q1, LMR34206-Q1, LM61440-Q1, LM62440-Q1, LP87702-Q1, LM63625-Q1, LM61460-Q1, TPS628501-Q1, TPS628502-Q1, LM61495-Q1, LM5143-Q1

    Most of today’s automotive vehicles use some level of autonomy. The Society of Automotive Engineers (SAE) defines five levels of autonomy, from level 0 to level 5 (Figure 1). In this technical article, I’ll discuss the DC/DC power-supply needs…

    • Nov 18, 2020
  • Tailor-made gateway processors lay the groundwork for zone architectures

    Katrina Tuazon
    Katrina Tuazon
    Other Parts Discussed in Post: DRA821U, DRA821

    Automotive suppliers and original equipment manufacturers are heavily investing software R&D efforts on adding new functions and features to achieve autonomy, electrification and connectivity. Still, enabling these functions by adding more electronic control units (ECUs) is not sustainable when it results in increased complexity and cost. 

    There are two ways to consolidate…

    • Nov 17, 2020
  • Body control module resources to make your design more efficient and reliable

    Arun T. Vemuri
    Arun T. Vemuri
    Other Parts Discussed in Post: DRV8912-Q1

    The core function of the body control module (BCM) is to monitor inputs such as the state of the high-beam switch and enable or disable power to the corresponding loads such as the high-beam lamp. The BCM also includes circuits that monitor different functions for faults. When a fault is detected, the driver could be notified, in some cases additional circuits in the BCM drive…

    • Oct 30, 2020
  • How to design heating and cooling systems for HEV/EVs

    Arun T. Vemuri
    Arun T. Vemuri

    Co-authored by Kevin Stauder, systems engineer, automotive body electronics and lighting

    For decades, the internal combustion engine (ICE) has run the car as well as the heating and cooling systems. As the automotive industry electrifies and transitions to hybrid electric vehicles (HEVs) with small combustion engines or fully electric vehicles (EVs) with no engine at all, how will the heating, ventilation and air-conditioning…

    • Oct 29, 2020
  • How analog integration simplifies automotive body motor controller designs

    Arun T. Vemuri
    Arun T. Vemuri
    Other Parts Discussed in Post: DRV10983-Q1, DRV8718-Q1, DRV8714-Q1, DRV8706-Q1, DRV8705-Q1, DRV8873-Q1, DRV8343-Q1, DRV8908-Q1, DRV8874-Q1

    Automotive body electronics systems use electric motors to enhance comfort and convenience for vehicle occupants whether it’s adjusting the perfect seat position or easily opening the trunk.
     
    Metal-oxide semiconductor field-effect transistors (MOSFETs) – arranged in the shape…
    • Oct 23, 2020
  • 5 myths shattered about 48-V systems

    Karl-Heinz Steinmetz
    Karl-Heinz Steinmetz

    Technology availability, market and environmental regulations, and infrastructure buildout are aligning to turn a long-forecasted future of full-electric vehicles (EVs) into reality. According to the International Energy Agency’s Global EV Outlook 2020, sales of EVs, including plug-in hybrid electric vehicles (PHEVs), reached a global peak of 2.1 million in 2019, increasing the total number of such vehicles on the…

    • Oct 22, 2020
  • Pixel perfect automotive display: higher contrast and better resolution with full-array local dimming

    Logan Cummins
    Logan Cummins

    This article was originally published on eeworldonline.com. 

    A local dimming backlight technology individually adjusts LEDs in an LCD panel to save power and improve contrast ratios in automotive displays. Compared to globally dimmed displays and organic LEDs (OLEDs), local dimming with LEDs is a more practical design choice because it can withstand the extreme temperatures and vibration common in automotive applications…

    • Oct 16, 2020
  • How many electric motors are in your car?

    Clark Kinnaird
    Clark Kinnaird

    The U.K., Norway, the Netherlands, Denmark and France have already proposed plans to outlaw internal combustion engines (ICE), with China also studying when to ban ICE vehicles. So the writing is on the wall that powerful electric motors, also known as traction motors, will play a significant and increasing role as the engine propelling the vehicle. But electric motors are already dominant in many other automotive applications…

    • Oct 16, 2020
  • A better automotive display from pixel to picture with local dimming

    Logan Cummins
    Logan Cummins

    This article was originally published on eeworldonline.com. 

    Automotive specifications and environmental conditions have caused the automotive display market to lag behind the consumer display industry in contrast ratio, black levels, resolution, curvature and form factor. Automakers are trying to differentiate their infotainment human-machine interface (HMI) displays and catch up to the technological advances now common…

    • Oct 16, 2020
  • How to design an automotive transient and overcurrent protection filter

    Alexis Magana Lemus
    Alexis Magana Lemus
    Other Parts Discussed in Post: INA302-Q1

    Somewhere in the world today, an automotive engineer is envisioning an infotainment system for a car that won’t be realized for another five years or more. This includes factoring in the power requirements for applications that exist only as concepts today. As infotainment systems evolve in sophistication and electronic functionality, the number of integrated circuits (ICs…

    • Oct 14, 2020
  • Understanding functional safety FIT rate

    Bharat Rajaram
    Bharat Rajaram

    Functional safety standards like International Electrotechnical Commission (IEC) 615081 and International Organization for Standardization (ISO) 262622 require that semiconductor device manufacturers address both systematic and random hardware failures. Systematic failures are managed and mitigated by following rigorous development processes. Random hardware failures must adhere to specified quantitative metrics to meet…

    • Oct 7, 2020
  • Streamlining functional safety certification in automotive and industrial

    Arun T. Vemuri
    Arun T. Vemuri

     align=

    Functional safety design takes rigor, documentation and time to get it right. Whether you’re designing for the factory floor or cars on the highway, this white paper explains how TI is making it easier for you to find and use its integrated circuits (ICs)  in your functional safety designs.

    Read the white paper Streamlining functional safety in automotive and industrial. 

    • Oct 7, 2020
  • How vehicle electrification is evolving voltage board nets

    Arun T. Vemuri
    Arun T. Vemuri

    The need for electrical energy inside the car is growing with the proliferation of automated driving functions and the popularity of comfort, convenience and infotainment features. Today’s vehicles have a growing number of sensors, actuators and electronic control modules (ECUs) that read sensors and control actuators. Simultaneously, the growing demand for hybrid and electric vehicles makes power efficiency an important…

    • Sep 23, 2020
  • How to choose a power supply for an automotive camera module

    Matthew Sauceda
    Matthew Sauceda
    Other Parts Discussed in Post: DS90UB953-Q1

    As automotive camera technology advances with higher resolutions, dynamic ranges and frame rates, power-supply architectures need tailoring to the specific use-case requirements. In this article, I’ll review three strategies you can use to power your automotive camera module:

    • Fully discrete
    • Fully integrated
    • Partially integrated

    The focus in this article is on small-form…

    • Sep 17, 2020
  • How device-level features and package options can help minimize EMI in automotive designs

    Zach Imm
    Zach Imm
    Other Parts Discussed in Post: LMQ61460-Q1

    This article was co-authored by Sam Jaffe.

    As automotive systems continue to evolve, the number of applications requiring additional power continues to increase. Engineers designing higher-power systems often switch from low-dropout (LDO) regulators to DC/DC buck converters, given the latter’s improved efficiency and thermal performance. Unfortunately, making this switch comes…

    • Aug 21, 2020
  • Using DC/DCs buck converters to power modern safety features in commercial vehicles

    Vental Mao
    Vental Mao

    This article was co-authored by Zach Imm.

    Driver and pedestrian safety is a top priority for engineers working on vehicles today and in the future, both partially and fully autonomous. According to recent statistics, more than 73% of traffic accidents, especially for commercial vehicles, are caused by visual blind spots, cellphone use, driver fatigue and driver negligence. Studies show that equipping vehicles with advanced…

    • Jul 27, 2020
  • Automotive exterior lighting gets a major upgrade

    Brandon Seiser
    Brandon Seiser
    Other Parts Discussed in Post: DLP2021-Q1, DLP3021-Q1

    Exterior lighting, primarily used to illuminate ground areas near the door, can now be transformed into a projection system used for both vehicle communication and unique styling features.

    A small lighting module utilizing the automotive grade digital micromirror devices (DMDs), such as the DLP2021-Q1 or DLP3021-Q1, can display an endless number of patterns in any…

    • Jul 14, 2020
  • 4 audio trends transforming the automotive industry

    TI Staff Writer
    TI Staff Writer
    Other Parts Discussed in Post: PCM6240-Q1, PCM6260-Q1, PCM6340-Q1, PCM6360-Q1

    By Krunal Maniar

    The automotive industry is focused on creating a comfortable driving experience – but without compromising fuel efficiency or manufacturing costs. Original equipment manufacturers (OEMs) are refreshing their audio system architectures frequently to enhance the user experience and ensure safety by incorporating new audio technologies…

    • Jul 13, 2020
  • How to efficiently drive 12-V and 24-V engine loads in automotive systems

    Aaron Barrera
    Aaron Barrera
    Other Parts Discussed in Post: DRV8343-Q1

    An internal combustion engine (ICE) is a mechanical system that has been around since the 19th century (Figure 1). It’s amazing how it works, considering that it only takes fuel to generate thousands of horsepower and make a car go from 0 to 60 mph in under 3 seconds. But all good things must come to an end; stricter government standards such as Tier 3, Euro 6 and China 6a are…

    • Jul 9, 2020
  • How an automotive ADC can help designers achieve functional safety in ADAS

    Krunal Maniar
    Krunal Maniar
    Other Parts Discussed in Post: ADS7038-Q1, ADS7142-Q1

    Although today’s vehicles automate several aspects of the driving experience, the true forces behind moving from partially autonomous to fully autonomous cars are not car manufacturers but rather mobility service providers such as taxi companies, rental car companies, delivery service companies and cities that need to provide safe, efficient, accessible and affordable…

    • Jun 9, 2020
  • Optimizing eAVB for automotive applications using clock generators

    Confidence Udegbue
    Confidence Udegbue
    Other Parts Discussed in Post: CDCE6214-Q1

    According to a study from the U.S. Department of Transportation1, the average American spends the equivalent of just under 2 1/2 weeks behind the wheel every year. The longer drivers and passengers spend in cars, the greater their need for real-time data transmission and in-vehicle entertainment.

    Consequently, premium audio is becoming one of the biggest growth areas for automotive…

    • May 8, 2020
  • 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
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