It pays to know about the ASIL B compliance measures needed for automotive subsystems. Szukang Hsien, Automotive Business Unit, Maxim Integrated TAKE the wheel of a new car today and you’ll be greeted with the bright glow of screens filled with useful data: how fast you’re going, what’s playing on the radio, a playlist of […]
When tire pressure monitoring gets smart
Bluetooth-enabled tire monitors will check inflation pressures and temperatures with much more precision than available through yellow lights on a dash panel. Addy Mulders, Dialog Semiconductor THE words “connected cars” often bring to mind self-driving autonomous vehicles. But connected cars will offer a variety of capabilities, not the least of which is tire pressure monitoring […]
How telematics is evolving with the connected car
The embedded systems that control vehicle tracking grow more sophisticated by the day. Hope Bovenzi, Texas Instruments Inc. THE phrase “car of the future” often invokes thoughts about autonomous driving. But it is fair to also consider what it will be like as a passenger once our driving habits change. With free hands and relaxed […]
Galvanic isolation for electric vehicle systems
High voltages and high currents circulating in EVs make the fundamentals of electrical isolation techniques an important topic. Ross Sabolcik, Silicon Labs AS automotive designs move toward electrification, high-wattage power electronics become critical to new electronic drivetrain and battery systems. In these applications, digital controllers safely interface with the high-voltage systems of modern electric vehicles […]
Vehicle electrical systems: Zero-to-sixty in 48 volts
Versatile automotive 48-V electrical systems will reduce CO2 emissions and make practical super-efficient electrical subsystems. Joseph Pulomena, EPCOS, a TDK Group Co. NEARLY five years ago, the U.S. government issued rules requiring automakers to hit a fleet average of 54.5 mpg for new cars and trucks – nearly doubling average fuel economy. Electric vehicles and […]
Are power systems up to the task of running self-driving cars?
Automotive electronics depends on power supplies that can handle abuse like load dumps. New ICs are optimized for these extreme environments and can meet stringent vehicle safety standards. Tony Armstrong, Analog Devices Inc. THE auto industry expects a transition to autonomous vehicles via both an evolutionary path, where existing cars get there little by little […]
The tricky business of teaching cars to see
Neural network software can be difficult to debug. One reason: It functions only vaguely in the way it has been explained to the general public. Leland Teschler, Executive Editor CRACK open an autonomous-driving vehicle and you will find neural networks taught to recognize objects such as pedestrians, road signs, and other vehicles. Recent accidents involving […]
Connecting the car is the easy part
At the annual conference of the Society of Automotive Engineers, no small number of technical papers cover issues surrounding driver interactions with features on the car dashboard. Touchscreens, in particular, are a hot topic. You can find SAE papers with impressive-sounding titles such as, Touch Interactive Display Systems: Human Factors Considerations, System Design and Performance […]
Teardown: Anki Cozmo, distant relative of Vector
Cozmo is a palm-sized robot from San Francisco-based Anki, the same company that makes an intelligent racing robot system called Overdrive that we’ve torn down previously. Cozmo is actually an earlier version of an Anki robot called Vector. Vector has more capabilities in the area of artificial intelligence, thanks to its use of a processor […]
BGS 121 package socket has 52 GHz bandwidth
A new high-performance elastomer socket is designed for 0.65-mm-pitch BGA packages. The SG25-BGA-2051 socket is designed for a 8×8-mm package size and operates at bandwidths up to 52 GHz with less than 1 dB of insertion loss (GSSG configuration). The contact resistance is typically 20 mΩ/pin. Network analyzer reflection measurements for the G-S-S-G case were […]
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