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FAQ

Why I still like electromechanical relays – and you should, too (maybe)

May 24, 2022 By Bill Schweber Leave a Comment

The solid-state relay may be the first choice, but the venerable electromagnetic relay offers attributes the SSR cannot provide and so may be the best solution. Everything is solid-state these days, right? Even that one holdover, the vacuum-tube magnetron at the heart of the home microwave oven, is seeing some early signs of competition from […]

Filed Under: Editor's Blog, FAQ, Featured, Relay Tagged With: FAQ

How to gauge LED flicker

May 11, 2022 By Lee Teschler Leave a Comment

LED flicker

A few years ago, back when ordinary LED bulbs still sold for north of $10 a piece, there was a great brouhaha about LED light flicker. Light flicker can certainly be dangerous. Sufficiently intense flicker at between 3 and 70 Hz can cause epileptic seizure in a small percentage of the population. And flicker that […]

Filed Under: FAQ, Featured, LED Lighting Tagged With: FAQ, taosincs, texasinstrumentsinc

Long-life batteries harness the passivation effect

April 20, 2022 By Sol Jacobs Leave a Comment

tadiran

A little known chemical reaction helps extend battery life. Sol Jacobs, Tadiran Batteries As remote wireless devices become increasingly essential to the Industrial Internet of Things (IIoT), there is a growing need to understand the principles behind extended battery life. Many IIoT nodes require a battery-driven energy source. These off-grid low-power applications fall into two […]

Filed Under: batteries, Battery, FAQ, Featured Tagged With: FAQ, tadiranbatteries

Battery Management Systems: Effective ways to measure state-of-charge and state-of-health

March 22, 2022 By Aimee Kalnoskas Leave a Comment

By Andrey Solovev, Chief Technology Officer, Integra Sources One of the purposes of battery management systems is to monitor the state-of-charge and state-of-health of rechargeable batteries. This article will tell you about these two metrics and the methods used to measure them. Rechargeable batteries are used in many solutions, but industries use battery management systems […]

Filed Under: batteries, Battery Management, FAQ, Featured, Power Management Tagged With: FAQ

How an integrated PMIC can optimize your data concentrator design

March 21, 2022 By Shashank Sharma Leave a Comment

smart meters

By Shashank Sharma, Texas Instruments For years, countries have been reforming their advanced metering infrastructure with smart meters, which measure not only electrical energy consumption and transfer that data to utility companies, but also enable two-way communication between the consumer and utility companies. This data includes consumption behavior, system monitoring, tamper detection, and customer billing. […]

Filed Under: FAQ, Featured, Power Management Tagged With: FAQ

GaN in orbit and beyond

February 18, 2022 By Jeff Shepard Leave a Comment

Outer space is harsh, but it’s relatively kind to gallium-nitride (GaN) power transistors compared with their Si (Si) counterparts. Si devices require special processing for protection against the total ionizing dose (TID) impact of exposure to radiation in space. GaN has material properties and construction advantages that make it less subject to damage caused by […]

Filed Under: FAQ, Featured, Transistors Tagged With: FAQ

Is Double Pulse Testing inadequate for GaN devices?

February 17, 2022 By Jeff Shepard Leave a Comment

Enhancement mode (e-mode) GaN high electron mobility transistors (HEMTs) generally behave like n-channel power MOSFETs. Common curve tracers, parametric analyzers, and automatic discrete device parametric testers used for an n-channel power MOSFET can be applicable for the characterization of e-mode GaN transistors, but the implementation details differ for GaN. Typical e-mode GaN HEMTs have very […]

Filed Under: FAQ, Featured, Transistors Tagged With: FAQ

Power system delivery for 5G networks

February 16, 2022 By Andy Brown Leave a Comment

5G power supplies

Special features such as fold-back protection and good dynamic response come in handy for the dc-dc conversion stages powering 5G RANs. Andy Brown, Advanced Energy Industries, Inc. With its high speeds, low latency, reliability and potential for rapid scalability, 5G is set to change the way we use and share data and to move concepts […]

Filed Under: 5G, DC-DC, FAQ, Featured, Power Supplies Tagged With: advancedenergyindustriesinc, FAQ

How trimming affects thick-film resistor performance

February 16, 2022 By Kory Schroeder Leave a Comment

thick film resistors

Ordinary thick-film resistors can display varying qualities depending on how the manufacturer elected to trim the device. It pays to know what to look out for. Kory Schroeder, Stackpole Electronics Inc. Surface-mount thick-film chip resistors are the predominant type of resistor in electronic circuits today. This technology is inexpensive; thick-film resistors are produced by screen-printing […]

Filed Under: FAQ, Featured, Power Components, Resistors Tagged With: FAQ, stackpoleelectronics

Basic current sensing considerations in power system design

February 16, 2022 By Teoman Ustun Leave a Comment

Size constraints and a need for high efficiency are forcing designers to use more sophisticated current sensing techniques in modern electronics. Teoman Ustun, ACEINNA The historical mindset of power design being an afterthought in the overall system architecture is changing. Before the focus of electronic design shifted to power efficiency, it was a common practice […]

Filed Under: FAQ, Featured, Power Components Tagged With: aceinna, FAQ

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