Power Electronics

 

Loss of Battery-Cable Isolation Prompts EV/HEVs to Protect Against Potential Hazards

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The main function of an isolation monitor is to warn the EV/HEV operator that there is a potential (latent) hazardous condition. In the case of a single fault, this monitor is intended to protect the service/maintenance personnel and first responders, rather than the regular operators. However, if an external charger is connected to the EV/HEV, […]

Read more >>> Loss of Battery-Cable Isolation Prompts EV/HEVs to Protect Against Potential Hazards

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Energy storage systems employ technological approaches that provide sustainable power for a utility’s customers. These systems must provide extended service during power outages, be easily replenished, be safe, reliable and cost effective. One approach for energy storage involves cross-disciplinary applications in chemistry and electrical engineering. In fact, much of the R&D for electrochemical energy storage […]

Read more >>> Electrochemical Technology Dominates in Energy Storage Systems

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The use of lithium-ion (Li-ion) batteries has made the electric vehicle a reality and electric mobility looks to be a “not so distant” future. However, there has been more than one incident of Li-ion batteries in electric vehicles catching fire and exploding due to either faulty thermal management systems or abuse. All this underscores the […]

Read more >>> Simulation Delivers Safer, More Efficient Lithium-Ion Battery Packs

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When asked what an autonomous ship would look like Oskar Levander, vice president of innovation at Rolls-Royce Marine, said, “We are not constrained by the same limitations that a manned vessel has. What you end up with is a very lean and efficient machine.” Figure 1 shows a conceptual rendering of an autonomous ship. One […]

Read more >>> Autonomous Ships Are on Their Way

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Read more >>> New: Analog & Power Source Newsletter

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Linear Technology Corporation introduced the LTC4013, a highly integrated, high voltage multi-chemistry synchronous step-down battery charger controller. With a wide input voltage range that spans up to 60V, the LTC4013 uses temperature-compensated 3- and 4-stage charge algorithms to efficiently charge 12V and 24V lead-acid batteries. Alternatively, the LTC4013 will charge a multicell Lithium-based battery stack with […]

Read more >>> 60V Synchronous Buck Battery Charger Includes Lead-Acid & Li-Ion Charge Algorithms

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From 1st January 2017, all products sold via the Cherry Industrial Solutions product line will be branded ZF. By utilizing the ZF brand, with its strong presence in the automotive and industrial markets, the intention is to strengthen the company’s efforts to develop new potential markets, with a focus on industry and building automation. With […]

Read more >>> Cherry Switches & Sensors to be Rebranded as ZF

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Silicon Valley is maintaining its image as the center of the semiconductor universe. The latest example is Torex Semiconductor moving its R&D Center from Sunnyvale to larger headquarters in San Jose, Calif. Torex opened its R&D Center in Silicon Valley in April 2016. Now, within a year it is expanding its total floor area roughly […]

Read more >>> Torex Semiconductor Expands its Silicon Valley R&D

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Commercial fuel cells are available, but for wider use they need more R&D to improve their performance, reliability, and cost. To meet this need, R&D at several U.S. universities and national laboratories is focused on making fuel cells a more widely used energy source. Some of this R&D is in the basic research phase, some […]

Read more >>> On the Topic of Fuel Cells, More R&D Required

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ARPA-E seeks innovative ideas from academia, private industry, national labs, start-up companies, and small businesses—providing project teams with an average award of $2 million to $3 million over several years. Every project team receives hands-on guidance to meet ambitious technical milestones that push the boundaries of energy innovation. Its unique Technology-to-Market program also empowers project […]

Read more >>> Research Sponsored by ARPA-E Seeks Next-Generation EV Power Technology

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Characteristics of enhancement-mode (e-mode) GaN, such as positive temperature coefficient of RDS(ON) and a temperature-independent threshold voltage, make them excellent candidates for paralleling. GaN Systems’ GS66516T is a GaN transistor that has these characteristics so it can operate efficiently and reliably in a parallel configuration; its features are listed below. After analyzing its parasitics, paralleled […]

Read more >>> Paralleled GaN Transistors Boost Converter Power Up to 100kW

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The LT8645S from Linear Technology, now part of Analog Devices, was developed with an eye on the requirements for a step-down regulator intended for automotive applications, although it does fit other applications. For automotive power applications the LT8645S step-down switcher IC provides the basic functional requirements: Operation from 3.4V to 65V inputs to work with […]

Read more >>> Synchronous Step-Down Switcher IC Supports Automotive Applications

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The Pulse of the Engineer research report presents the answers obtained from 1,581 survey respondents. In the information below parentheses show the percentage of respondents for that statement. The job functions included: Design engineers (35%) Engineering consultants (14%) Individual contributors (30%) Managers or senior managers (24%) Figure 1 provides a good […]

Read more >>> The Changing Work Environment for Engineers Today

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The March for Science, coinciding with Earth Day, took place in more than 500 cities worldwide with dozens of nonpartisan scientific professional societies in a turnout intended to combine political and pro-science demonstrations. Scientists left their labs to take to the streets Saturday, April 22, along with students and research advocates in pushing back against […]

Read more >>> Science Does Matter!

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The ISOW784x family of high-performance, four-channel reinforced digital isolators from Texas Instruments employs an integrated isolation barrier to provide high efficiency and isolated power. The ISOW784x supports an input voltage range of 3V to 5.5V and provides a regulated 5V or 3.3V, 0.65W output. This family of devices is suitable for applications that have limited […]

Read more >>> Integrated Isolation Barrier Technology Enables Digital Isolators to Protect System Integrity

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Commercial fuel cells are available, but for wider use they need more R&D to improve their performance, reliability, and cost. To meet this need, R&D at several U.S. universities and national laboratories is focused on making fuel cells a more widely used energy source. Some of this R&D is in the basic research phase, some […]

Read more >>> On the Topic of Fuel Cells, More R&D Required

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Fuel Cells, a 93-page paperback book authored by Paul Breeze, could have been entitled “An Introduction to Fuel Cells.” It contains basic essential information for an engineer who wants to learn about fuel cells without being burdened by heavy theoretical descriptions. It is a concise guide to fuel cells with a minimum of chemical equations. […]

Read more >>> Book Review: Fuel Cells

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The groundbreaking PWM-Resonant Ćuk topology could revolutionize the design of non-isolated, step-down dc-dc converters. This new topology provides much higher-efficiency, fast-transient response settling in one cycle, with much smaller size and lower weight than its ferrite core cousins. This converter is ideal for 12V to 1V applications for supplying microprocessors, as it replaces four to […]

Read more >>> Step-Down dc-dc Converter Eliminates Ferrite Cores at 50kHz Enabling Power Supply on Chip with One-Cycle Transient

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Advanced automotive technology for navigation, safety and infotainment involves superb sensor systems, wireless connections, route tracking, driver health monitoring and other capabilities. To ensure confidence in the performance of these features, high-performance instruments and software are used during design and test. Learn how automotive test is accelerated with flexible, high performance solutions.

Read more >>> Automotive Design & Test Solutions

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Roadmaps have been a staple of the semiconductor industry, in particular the International Technology Roadmap for Semiconductors (ITRS). The final ITRS roadmap was issued in 2016. In May 2016 the IEEE announced the launch of the International Roadmap for Devices and Systems (IRDS), a new IEEE Standards Association (IEEE-SA) Industry Connections (IC) program to be […]

Read more >>> Semiconductors, Power Electronic Systems Roadmaps Point to the Future

Showing results 1 - 20 of 391 for the category: Power Electronics.