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TI Claims an Industry First—a DC/DC Controller With an Integrated Active EMI Filter

All About Circuits sat down with Texas Instruments to hear firsthand about the company's efforts to help engineers achieve low-EMI power designs—without compromising size or performance.

April 07, 2021 by Jake Hertz

Cryptocurrency Mines Consume More Power Than Argentina—But PSUs Can Help

Why do cryptocurrency mines burn so much power? And how might mining power supply units (PSUs) be different from general-purpose PSUs?

March 22, 2021 by Steve Arar

New Load Switch Underlines the Place of “True Reverse-current Blocking”

High-voltage electronics cause a number of issues for FETs used as load switches. A new device from Diodes Incorporated aims to tackle the long-standing issue of reverse current.

March 15, 2021 by Jake Hertz

All About Seeing Your Projects: Optical and Digital Magnification

Smaller electronics call for more powerful inspection equipment. If you're building a collection of at-home lab equipment, these visual tools may help you see where you're going on minuscule boards.

February 14, 2021 by Mark Hughes

How to Use Decoupling Capacitor Placement to Reduce Harmonic Distortion

Learn how to reduce second harmonic distortion by following some guidelines for placing decoupling capacitors in your PCB layout.

February 12, 2021 by Steve Arar

Minimizing Stepper Motor Noise and Vibration in Precision Motion Control Applications

Stepper motors work well in a wide range of applications but can struggle with torque ripple and current distortion issues. Learn about QuietStep, a proprietary algorithm from Allegro MicroSystems, as a possible solution. 

February 02, 2021 by Dan Jacques, Allegro MicroSystems

Designing Safety and Reliability into Intelligent Power Outlets for Smart Homes

This article provides designers with recommendations for protection and low-power control components for power outlet design that both prevent overloads from damaging sensitive circuitry and maximize device efficiency.

January 26, 2021 by Ryan Sheahen, Littelfuse

As Data Centers Expand, How are Engineers Upping AC/DC Conversion Efficiency?

The demand for data center efficiency is only expanding in 2021. Here are some methods that EEs use to increase A/C/ power conversion efficiency—including a new option of GaN-powered AC/DC power supplies.

January 21, 2021 by Jake Hertz

TDK-LAMBDA CUS400M 3"x5” Medical & Industrial Power Supplies | New Product Brief

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.

December 23, 2020 by Mouser Electronics

Circuit Protection, Control, and Sensing Design Considerations for Smart Home Security Applications

This article explores components that protect and control their circuits in smart home security applications, specifically components for protecting wired and wireless security cameras and wired doorbell cameras.

December 22, 2020 by Ryan Sheahen, Littelfuse

“GaN Is Like a Ferrari:” How GaN Is on the Fast Track for 2021

2020 ushered in a wave of GaN transistors in applications from automobiles to audio amplifiers. We talked with GaN Systems CEO Jim Witham to find out why he thinks 2021 could see even more GaN adoption.

December 18, 2020 by Jake Hertz

PCB Design Considerations When Using Bi-Directional Translators

In the past, we touched on the theoretical underpinnings of voltage-level translators. Now, we'll discuss some practical design tips for using these increasingly-common devices in your design.

December 11, 2020 by Nicholas St. John

Common Protection Functions of an Intelligent Power Device (IPD)

In safety-critical applications, like in automotive designs, reliability is key. Here are a few ways IPDs can guard against issues related to current, heat, and more.

November 27, 2020 by Steve Arar

Power Density Roundup: New Assets in a Power Engineer’s Toolbox

Power manufacturers are increasingly drilling down on power density as a priority. Here are a few recent updates around the industry.

November 23, 2020 by Steve Arar

Medical Power Supplies Are in a League of Their Own

Power supply design is always extremely important, but no application may have more stringent design requirements than medical devices.

November 18, 2020 by Jake Hertz

A Low-Cost Method of Powering a Microcontroller

This article proposes a simple microcontroller power-supply circuit that is worth considering when you’re developing a (very) cost-sensitive system.

October 30, 2020 by Robert Keim

Dropping the LDO: New Buck Converter from TI Integrates Ferrite Beads

Last week, TI announced its newest product: a low-noise buck converter bolstered by integrated ferrite beads.

October 26, 2020 by Jake Hertz

LTspice Performance Analysis of a Precision Current Pump

In this article, we will use simulations to assess important aspects of the performance of an op-amp-based current source.

October 20, 2020 by Robert Keim

How to Design a Precision Current Pump with Op-Amps

This article discusses a voltage-controlled current-source circuit that requires only two op-amps and a handful of resistors.

October 16, 2020 by Robert Keim

Samsung’s Claim of “World’s Smallest Power Inductor” Has Big Design Implications

This month, Samsung released news of the "world’s smallest power inductor." What does this miniaturization mean for electronic design, even at a theoretical level?

September 24, 2020 by Jake Hertz