Electrical/​Electronics

Power Supplies

Explore an extensive library of Power Supply technical briefs, white papers, and articles focusing on applications for manufacturing, military, aviation, medical, and automotive.

Latest Briefs & News

Briefs : Photonics/Optics
Embedded Gas and Temperature Sensors for Extreme Environments

Innovative process control systems for improved efficiency and lower emissions in current and future fossil-fuel-based power systems and related applications require durable, embedded sensor technology that can operate at higher temperatures and in harsh conditions.

Briefs : Energy
Chemical Mixture Widens the Temperature Range for Electric Car Batteries
Chemical Mixture Widens the Temperature Range for Electric Car Batteries
A combination of additives shows promise for boosting battery performance in very cold or hot weather.
Chemical Mixture Widens the Temperature Range for Electric Car Batteries
Briefs : Energy
Device Creates Electricity from Snowfall
Device Creates Electricity from Snowfall
The nanogenerator also acts as a weather station.
Device Creates Electricity from Snowfall
Q&A : Semiconductors & ICs
Q&A: Innovative Linear Electrostatic MEMS Actuator
Q&A: Innovative Linear Electrostatic MEMS Actuator
Sherry Towfighian and her team made a big improvement on how microphones are manufactured.
Q&A: Innovative Linear Electrostatic MEMS Actuator
Briefs : Sensors/Data Acquisition
Wind Event Warning System
Wind Event Warning System

NASA Langley Research Center developed a wind event warning technology that provides a practical early warning system (5-10 minutes) for a severe change in the wind vector. Events such as gusts, shear, microbursts,...

Wind Event Warning System
Question of the Week : Power
Does Snow Have Power Potential?

A 2019 Tech Briefs story demonstrated a plastic-like, flexible nanongenerator that creates electricity from falling snow.

Articles : Aerospace
Methane Detector Sniffs Out Leaks
Methane Detector Sniffs Out Leaks

Methane is everywhere on Earth. It’s the main ingredient in the natural gas that powers heating, cooking, and electricity. It’s also a potent greenhouse gas. The presence of methane is also interesting...

Methane Detector Sniffs Out Leaks
Articles : Manufacturing & Prototyping
Stepper Motor Drives: Factors to Help Determine Proper Selection
Stepper Motor Drives: Factors to Help Determine Proper Selection

Stepper motors and stepper-based linear actuators are often selected for open-loop motion control devices and equipment. These can be found in a wide range of products and...

Stepper Motor Drives: Factors to Help Determine Proper Selection
Briefs : Photonics/Optics
Visualizing Motion of Water Molecules for Liquid-Based Electronics

A high-resolution inelastic x-ray scattering technique was used to measure the strong bond involving a hydrogen atom sandwiched between two oxygen atoms. This hydrogen bond is a quantum-mechanical phenomenon responsible for various properties of water, including viscosity, that...

Briefs : Mechanical & Fluid Systems
Cryogenic Hydraulically Actuated Isolation Valve

Researchers at NASA's Marshall Space Flight Center have developed a cryogenic isolation valve that utilizes the upstream line pressure of cryogenic fluids for actuation. Previously, the use of cryogenic fluids for actuation systems had been too difficult to control and resulted in unsafe operating...

Briefs : Mechanical & Fluid Systems
Method Uses Ultraviolet Light to Control Fluid Flow and Organize Particles
Method Uses Ultraviolet Light to Control Fluid Flow and Organize Particles

A new method uses ultraviolet light to control the flow of fluids by encouraging particles — from plastic microbeads, to bacterial spores, to pollutants — to...

Method Uses Ultraviolet Light to Control Fluid Flow and Organize Particles
Briefs : Electronics & Computers
Nickel Titanium Alloy Ball Bearings
Nickel Titanium Alloy Ball Bearings

Innovators at NASA's Glenn Research Center have developed a new method for making small-diameter, high-grade ball bearings that are less than 0.25” in diameter thanks to the development of a new alloy...

Nickel Titanium Alloy Ball Bearings
Technology Leaders : Software
Module or Discrete Power?
Module or Discrete Power?

Engineers today are feeling the pressure to get more done in less time, be experts in multiple disciplines, and use their resources more efficiently to maximize profits. This environment is shifting the way...

Module or Discrete Power?
Briefs : Electronics & Computers
Two-Dimensional Materials Improve Efficiency of Lithium-Air Batteries
Two-Dimensional Materials Improve Efficiency of Lithium-Air Batteries

Lithium-air batteries are poised to become the next replacement for currently used lithium-ion batteries that power electric vehicles, cell-phones, and computers....

Two-Dimensional Materials Improve Efficiency of Lithium-Air Batteries
News : Robotics, Automation & Control
First Successful Mind-Controlled Robotic Arm Without Brain Implants
First Successful Mind-Controlled Robotic Arm Without Brain Implants

A team of researchers from Carnegie Mellon University, in collaboration with the University of Minnesota, has made a breakthrough in the field of noninvasive robotic device...

First Successful Mind-Controlled Robotic Arm Without Brain Implants
Briefs : Energy
Fuel Cell Technology Runs on Solid Carbon
Fuel Cell Technology Runs on Solid Carbon

Whereas hydrogen fuel cells (e.g., proton exchange membrane (PEM) and other fuel cells) generate electricity from the chemical reaction between pure hydrogen and oxygen, direct carbon fuel cells...

Fuel Cell Technology Runs on Solid Carbon
Briefs : Test & Measurement
Stretchable Power Source for Wearables
Stretchable Power Source for Wearables

Researchers have created highly stretchable supercapacitors for powering wearable electronics that consist of crumpled carbon nanotube (CNT) forests. The supercapacitors demonstrated solid performance...

Stretchable Power Source for Wearables
Briefs : Aerospace
Aircraft Engine Icing Event Avoidance and Mitigation
Aircraft Engine Icing Event Avoidance and Mitigation

Innovators at NASA’s Glenn Research Center have developed a new means of avoiding and mitigating icing events for aircraft flying above 14,000 feet, dramatically improving aviation...

Aircraft Engine Icing Event Avoidance and Mitigation
Briefs : Electronics & Computers
Thin-Film System Converts Heat from Electronics into Energy
Thin-Film System Converts Heat from Electronics into Energy

Nearly 70 percent of the energy produced in the United States each year is wasted as heat. Much of that heat is less than 100 °C and emanates from things like computers, cars, or...

Thin-Film System Converts Heat from Electronics into Energy
Products : Manufacturing & Prototyping
New on the Market: July 2019
New on the Market: July 2019

Sensor Controller

The induSENSOR MSC7401 sensor controller from Micro-Epsilon, Ortenburg, Germany, is used for displacement and distance measurements and is operated with LVDT and LDR measuring gauges...

New on the Market: July 2019
News : Energy
Next-Generation, Low-Cost Stop Sign Improves Driver Safety
Next-Generation, Low-Cost Stop Sign Improves Driver Safety

It's dark on the back road as a motorist speeds toward the intersection. Up ahead, the stop sign blends with the night and in seconds a deadly crash occurs. According to the U.S....

Next-Generation, Low-Cost Stop Sign Improves Driver Safety
Briefs : Electronics & Computers
Double-Fed Induction Linear Alternator

This technology was developed to address the limitations of traditional, single-fed linear alternators that require permanent magnets, adhesive bonding organics, and heavy iron laminations for flux control. They experience eddy-current losses and require electromagnetic interference protection. Furthermore,...

Products : Test & Measurement
New on the Market: June 2019
New on the Market: June 2019

Code Generator

dSPACE, Wixom, MI, offers Version 4.4 of TargetLink code generator software that features controller modeling with MATLAB® code from MathWorks. It describes algorithms and...

New on the Market: June 2019
Briefs : Wearables
Self-Powered, Washable, Wearable Displays

Clothing usually is formed with textiles and has to be both wearable and washable for daily use; however, smart clothing has had a problem with its power sources and moisture permeability, which causes the devices to malfunction. To solve this problem, a textile-based, wearable display module technology...

Blog : Power
A Better Battery Offers ‘All-Renewable’ Promise for the Power Grid
A Better Battery Offers ‘All-Renewable’ Promise for the Power Grid
An Ohio State researcher shares with Tech Briefs the promise of potassium-oxygen batteries.
A Better Battery Offers ‘All-Renewable’ Promise for the Power Grid