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Bench Talk for Design Engineers

Bench Talk

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Bench Talk for Design Engineers | The Official Blog of Mouser Electronics


SiC Devices Usurp Si MOSFETs and Diodes in Servers, Motors, EVs Bill Schweber
Switching devices—both transistors and diodes—based on silicon-on-carbide (SiC) are redefining capabilities of power-related circuits. These offer far better efficiency and range than today’s best silicon-only MOSFETs, IGBTs, and diodes, and are already in widespread use in top-tier data centers and server farms.

Lithium, Cobalt, and Lithium-Cobalt Prices, Demand Drive EVs Steven Keeping
The price of Lithium has tripled since 2016 as electric vehicle batteries compete with mobile consumer electronics for the material. But the escalating price, driven by a threat of shortage of supply, is unlikely to dampen EV demand. Cobalt, another vital ingredient of Li-ion batteries, is another matter, and researchers are working hard to find cheaper alternatives, including Lithium-cobalt.

Batteries: Capacity, Cell Impedance, and Power Fading Lynnette Reese
There’s a general expectation these days that a car, even an electric vehicle should operate for 10 to 30 years. Rechargeable batteries are critical for electric vehicles; therefore, it is ideal if the battery can experience numerous and repetitive charge and discharge cycles over years. However, long-term storage capacity is a challenging issue.

Formula E Spikes Interest in Electric Vehicles Steven Keeping
Electric vehicles feature some impressive technology but suffer from an image problem that’s proving to be a drag on popularity. Sales of EVs (cars driven by one or more electric motors powered by batteries recharged from an external electricity supply) are tiny compared to consumption of conventional autos. Although over a million EVs have been sold since 2008, the entire fleet makes up just 0.1 percent of global vehicle numbers.

CES 2014 Review from a Power Perspective Landa Culbertson
The 2014 International Consumer Electronics Show (CES) wrapped up with the usual plethora of product debuts and announcements. Here are some highlights and trends related to power supplies and power management products.

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