Software development model for the ISO/SAE 21434 standard

In the functional safety world, once a system is developed, it remains protected as long as the system is in service. In contrast, the security world demands that software must continue to defend a system against constantly evolving methods of attack long after a product is released. With the explosion in demand for in-vehicle connectivity, … Read more

ISO/SAE 21434: Software certification for automotive cybersecurity

Automotive embedded applications have traditionally been isolated, static, fixed-function and device-specific implementations, and development practices and processes have relied on that status. But the explosion in demand for connectivity now sees non-critical systems such as entertainment systems sharing the same communications infrastructure as steering, braking, and control systems. These changes bring the potential for safety … Read more

SoC FPGA for RISC-V enters mass production

Microchip announced production qualification of its PolarFire MPFS250T SoC FPGA supporting the royalty-free RISC-V open standard ISA. Volume production of the MPFS250T, which provides 254,000 logic elements, extends the PolarFire portfolio of multi-core RISC-V SoC FPGAs, delivering an even smaller thermal footprint for low-power smart embedded vision applications. It can also be used in automotive, … Read more

HYPERRAM 3.0 memory doubles bandwidth for low pin-count

HYPERRAM—the expansion memory for scratchpad and data buffering—has reached its third generation and is ready to serve a wide range of applications such as video buffering, factory automation, artificial intelligence (AI) edge processing, and automotive vehicle-to-everything (V2X) communications. The third generation of HYPERRAM devices from Infineon Technologies support the newly extended HyperBus interface to enable … Read more

Investigating a Volvo key fob: a knowledgeable reader shares his insights

It’s always been interesting to me to see which of my writeups particularly resonate with the readers (as measured by metrics such as online page views and the number of both posted public comments and private emails I receive in response), and to theorize why this might be the case. Unsurprisingly, for example, teardowns consistently … Read more

How to design a battery management system

Battery-powered applications have become commonplace over the last decade, and such devices require a certain level of protection to ensure safe usage. The battery management system (BMS) monitors the battery and possible fault conditions, preventing the battery from situations in which it can degrade, fade in capacity, or even potentially harm the user or surrounding … Read more

What are the Top Advances in Automotive Electronics in 2022?

Automotive technology has evolved dramatically over the last century or so. The vehicles you know and love today started as deceptively complex machines. The advent of the technological age has seen manufacturers incorporate electronics and computing into nearly every aspect of the average vehicle’s functionality. As the year moves into its second half, what are … Read more

The start-up transistor works once!

It’s the mid 1990’s and I am a design engineer for a company that designs and manufactures custom measurement systems and high power electronics. Our customers range from experimental fusion reactor operators to electric utilities. One day my boss tells me to join him in the conference room to meet with some people from a … Read more

How to Empower Automotive DC Fast-Charging with Advanced Current Sensing

Although range anxiety is disappearing from the short list of objections to EV adoption, it has been replaced by recharging speed angst. For the demanding consumer marketplace, fast DC charging systems are emerging as the preferable way to go. While the adoption curve for electric vehicles (EVs) is constantly changing for the better, the automotive … Read more