Automotive processor IP complies with ISO 21434 cybersecurity
EDN » Automotive
by Majeed Ahmad
6d ago
After the widespread adoption of the ISO 26262 functional safety standard in automotive designs, another standard is taking hold to protect connected vehicles from malicious cyberattacks. The ISO/SAE 21434 standard defines the engineering requirements for cybersecurity risk management to ensure that cyber risks are monitored, detected, and mitigated throughout the vehicle’s lifecycle. Today, Synopsys announced that SGS-TṺV Saar has certified its ARC HS4xFS processor IP for ISO/SAE 21434 cybersecurity standard. This processor IP has already been certified to the ISO 26262 standard and meets AS ..read more
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PC-based scopes gain 10Base-T1S decoder
EDN » Automotive
by Susan Nordyk
1w ago
All PicoScope oscilloscopes from Pico Technology now include a serial decoder for the 10Base-T1S automotive Ethernet standard. This brings the total number of serial protocol decoders available with the free PicoScope 7 software to 40. The software is compatible with all current PicoScope models, as well as legacy models marketed in the past 7 years or longer. PicoScope 7 software is compatible with Windows, macOS, and Linux, offering a comprehensive suite of automotive decoders such as CAN, CAN XL, FlexRay, LIN, and now 10Base-T1S. In addition to these, the automotive version of PicoScope 7 ..read more
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Automate battery management system (BMS) test with a digital twin
EDN » Automotive
by Nadja Müller
1w ago
A battery management system (BMS) monitors and controls batteries in vehicles such as more-electric aircraft and electric cars. It needs to undergo rigorous tests under nominal and extreme conditions to prove its quality and integrity. Testing with emulated battery cells is beneficial because one can safely test all kinds of conditions quickly and repeatedly without risking precious hardware. This type of hardware-in-the-loop testing simplifies quality assurance and keeps up with the pace of innovation. Batteries are crucial for electrifying drive trains in vehicles or actuators in aircraft a ..read more
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Novel IR light source improves ADAS
EDN » Automotive
by Susan Nordyk
2w ago
Leveraging the strengths of VCSELs and LEDs, Rohm’s VCSELED infrared light source aims to advance automotive ADAS technologies. Currently under development for commercialization, VCSELED technology is expected to improve both in-vehicle and in-cabin monitoring systems, enable more precise sensing, and enhance driver safety. VCSELED encapsulates a vertical cavity surface emitting laser (VCSEL) element in a resin optical diffusion material for laser light. It extends the beam (irradiation) angle similar to LEDs, enabling sensing over a wider area with higher accuracy than VCSELs. The light emi ..read more
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Video processors assist driver viewing
EDN » Automotive
by Susan Nordyk
2w ago
Automotive video processors in the iND880xx series from indie enhance driver visibility in use cases such as surround view systems and electronic mirrors. The autotech company asserts that their video processor SoC sets new standards for image signal processing (ISP) and functionality in ADAS applications, enhancing both viewing and sensing capabilities. Addressing the dual demands of low-light sensor performance (luminance) and accurate color differentiation (chrominance), crucial for high-performance perception (such as distinguishing between red and amber traffic lights), has long posed a ..read more
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Implementing AI at the edge: How it works
EDN » Automotive
by Majeed Ahmad
3w ago
While the talk about artificial intelligence (AI) at the edge is all the rage, there are fewer design examples of how it’s actually done. In other words, how AI applications are implemented at the edge. Below is a design example of how Panasonic implemented an AI function in its e-assisted bike. Panasonic recently launched electric assist bicycle for school commuting, TiMO A. This e-assisted bike bypasses the need for additional hardware such as a sensor for tire air pressure. Instead, it incorporates a microcontroller (MCU) alongside an edge AI development tool to create a tire pressure moni ..read more
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Reference design covers GaN e-mobility charger
EDN » Automotive
by Susan Nordyk
1M ago
Transphorm has released a 300-W DC/DC GaN-based reference design for 2-wheel and 3-wheel electric vehicle (EV) battery chargers. The TDDCDC-TPH-IN-BI-LLC-300W-RD design guide employs four TP65H150G4PS 650-V, 150-mΩ SuperGaN FETs in TO-220 packages to form an isolated bidirectional battery charger. Although the power level of this reference design is only 300 W, it features a full-bridge LLC topology with the potential for significantly higher power levels. The reference design illustrates a fully analog implementation without processor firmware for the power stage. Simple jumpers manage powe ..read more
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DC/DC converters shrink car body electronics
EDN » Automotive
by Susan Nordyk
2M ago
ST’s A6983 step-down synchronous DC/DC converters provide space savings in light-load, low-noise, and isolated automotive applications. The series offers flexible design choices, including six non-isolated step-down converters in low-power and low-noise configurations, plus one isolated buck converter. With compensation circuitry on-chip, these devices help minimize both size and design complexity. Non-isolated A6983 converters supply a load current up to 3 A and achieve 88% typical efficiency at full load. Low-power variants minimize drain on the vehicle battery in applications that remain ..read more
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Position sensor suits vehicle safety systems
EDN » Automotive
by Susan Nordyk
2M ago
The Melexis MLX90427 magnetic position sensor is intended for applications requiring high automotive functional safety levels, such as steer-by-wire systems. It provides stray field immunity and EMC robustness, as well as SPI output. Additionally, the device transitions seamlessly between four operating modes, including rotary, joystick, rotary with stray field immunity, and raw data. At the heart of the MLX90427 is a Triaxis Hall magnetic sensing element that is sensitive to three components of flux density (BX, BY, and BZ) applied to the IC. This allows the sensor to detect movement of any ..read more
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MCU manages 12-V automotive batteries
EDN » Automotive
by Susan Nordyk
2M ago
Infineon’s PSoC 4 HVPA 144k MCU serves as a programmable embedded system for monitoring and managing automotive 12-V lead-acid batteries. The ISO 26262-compliant part integrates precision analog and high-voltage subsystems on a single chip, enabling safe, intelligent battery sensing and management. Powered by an Arm Cortex-M0+ core operating at up to 48 MHz, the 32-bit microcontroller supplies up to 128 kbytes of code flash, 8 kbytes of data flash, and 8 kbytes of SRAM, all with ECC. Dual delta-sigma ADCs, together with four digital filtering channels, determine the battery’s state-of-charge ..read more
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