Preview: Automotive DesignLine
Automotive DesignLine
Select Schottky diodes based on avalanche performance For reverse battery protection, peak avalanche power gauges pulse performance while having low forward voltage drop. View the full article HERE.
Programmable logic, SoC simplify power steering, accessory control Using an integrated system-on-chip reduces both product and project costs. View the full article HERE.
Modularity provides functional, economical tire-pressure monitoring A building block approach allows mixing and matching features in affordable tire pressure monitoring system packages. View the full article HERE.
MOST150 points to technology tipping point Carefully balancing technological possibilities, real market requirements, and economic considerations, it is important to show a clear cost-down technological roadmap. But several aspects need to be addressed, including data transport capacity (bitrate), physical media, and topology options. View the full article HERE.
Leverage Ethernet to improve passenger safety, comfort, and convenience As homes become more digitally sophisticated, consumers are developing higher expectations for connectivity and greater levels of safety and comfort in their home away from home—their vehicle. As a result, in-vehicle electronics are growing in number and complexity. Collision warning, comfort controls, infotainment, and advanced driver assistance are just some of today’s sophisticated and diverse applications generating an increasing need for bandwidth and connectivity within and between in-vehicle networks. View the full article HERE.
Capacitive proximity detection spurs automotive convenience features A broad range of motion detection depends on an astute application of technology. Moisture and rapid temperature changes are challenges. View the full article HERE.
Toyota accelerations revisited—hanging by a (tin) whisker Several accelerator pedal position sensors had tin whiskers that could cause short circuits. View the full article HERE.
Define drain-current conditions when calculating power for multi-core SoCs Automotive electronics for safety applications are increasingly implementing multi-CPU architectures with on-chip redundancy to ensure applications using minimal software overhead. Such redundancy is good for safety, but on the other hand has disadvantages such as higher die area, noise, and power consumption. View the full article HERE.
Out of Europe: Top auto electronics articles 2011 As with elsewhere in the world, there is interest in EV and hybrid electric technologies. View the full article HERE.
Top 10 automotive electronics stories of 2011 The top stories of the year underscore the great interest Automotive Designline readers have in hybrid and electric vehicles. View the full article HERE.
SerDes technology allows single wire pair control channel Unique SerDes application permits encrypted HD video/audio with full-duplex bi-directional control over a single wire pair interface. View the full article HERE.
Balance hybrid/EV battery packs to extend operational lifetime: Pt. 2—Algorithm and lab tests Charge imbalance can reduce a battery pack’s total capacity and potentially damage the pack. Imbalance prevents batteries from tracking from the charged state to the discharged state and if not closely monitored can cause batteries to be overcharged or over-discharged—which will permanently damage the cells. View the full article HERE.
Processors enable global software defined radio platforms Moving radio functions from hardware into software opens up cost benefits for global car production. Secondly, it affords producers flexibility when making decisions about future innovations in the pipeline—such as car-to-X. But what is needed is the right mix of specialized and flexible function blocks. View the full article HERE.
Balance hybrid/EV battery packs to extend operational lifetime: Pt. 1—Hardware and strategy Charge imbalance can reduce a battery pack’s total capacity and potentially damage the pack. Imbalance prevents batteries from tracking from the charged state to the discharged state and if not closely monitored can cause batteries to be overcharged or over-discharged—which will permanently damage the cells. View the full article HERE.
Component integration paces EV, hybrid power electronics efficiency To achieve maximum power density, electric losses and thermal resistances must be kept to a minimum—thus maximum component integration is required. View the full article HERE.
Shunt charger ICs harvest energy, protect batteries Energy harvesting ICs can convert a transducer's output into an electric current for a battery charger. Here are application options for a charger IC designed for embedded automotive applications. View the full article HERE.
LEDs tailor automotive lighting, improve safety Lighting used to be purely functional but has evolved into an element of design: Every vehicle can be given an individual appearance thanks to characteristic lighting. View the full article HERE.
Ratiometricity, digital signal correction enable high-res, low-noise smart sensors Use of specific analog and digital sensor signal processing concepts enables interference-immune, highly accurate sensor signal measurements. Proper application of concepts, such as ratiometricity or signal conditioning, is paving the way for energy-efficient, high-performance standard solutions. View the full article HERE.
SerDes chip enables integration of multiple video streams In a parking assist system example, single twisted-pair communication and an interface chipset provide a bidirectional control channel with a minimum latency and general purpose I/O functionality, enabling seamless frame-synchronous processing of individual video data streams. View the full article HERE.
Software techniques harden against hacking: Pt. 2—Sandbox solutions Software strategies protect externally networked infotainment systems from entry by hackers. View the full article HERE.
Combine power feed and data link via cable for remote peripherals It is possible to combine power distribution and high-speed data transmission by sharing a shielded twisted pair cable. A power feed network is necessary at both ends for power injection and extraction. By properly designing this network, and managing power supply switching noise, performance degradation is minimized. View the full article HERE.
Software techniques harden against hacking: Pt. 1—The problem Software strategies protect externally networked infotainment systems from entry by hackers. View the full article HERE.
Back EMF method detects stepper motor stall: Pt. 2—Torque effects and detection circuitry Technique takes advantage of constant motor parameters and overcomes limitations of traditional stall detection methods of current and duty-cycle sensing. View the full article HERE.
Alternator-regulator IC boosts charging system efficiency, control To improve fuel efficiency start with the charging system—and a key element is a new alternator-regulator IC. View the full article HERE.
Back EMF method detects stepper motor stall: Pt. 1—The basics Technique takes advantage of constant motor parameters and overcomes limitations of traditional stall detection methods of current and duty-cycle sensing. View the full article HERE. |
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