Latest Power Supplies Technical Articles

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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

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

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

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

TO-LL and MDmesh M6: The Latest Breakthrough in High-Level Telecom SMPS

This paper presents the ST’s new SMD package TO-LL (TO-LeadLess) and its benefits in terms of thermal management, PCB area, switching performance, and parasitic inductance on the leads.

In partnership with STMicroelectronics

Enpirion PowerSoC Modules Integrate Nearly all Components Needed to Build a Power Supply

Intel Enpirion PowerSoC modules are DC-DC step-down converters that integrate nearly all the components needed to build a power supply without sacrificing performance or efficiency. These solutions are designed to meet strict FPGA, ASIC, and processor power requirements.

August 25, 2020 by Tamara Lin, Intel

Using a Supervisory Circuit to Turn a Conventional SRAM into Fast Non-Volatile Memory

How can you build a fast non-volatile memory from a conventional SRAM? It turns out, you only need a back-up battery and some control circuitry.

August 21, 2020 by Steve Arar

Prolonging the Battery Life of Wireless Security Cameras with Proper Power Management

This article explores how a power management voltage regulator’s efficiency and quiescent current play a critical role in wireless security camera battery life.

March 24, 2020 by Chinmay Honrao, Maxim Integrated

Simulating SiC MOSFET Thermal and Switching Behavior in LTspice

In this article, we’ll set up a basic SiC switching circuit and perform some transient simulations.

March 17, 2020 by Robert Keim

How to Boost the Output Current Drive Capability of an Op-Amp

In the first part of this series on composite amplifiers, we'll investigate one method of boosting an op-amp’s output current drive capability.

February 20, 2020 by Dr. Sergio Franco

How Is a Load Line Used in Circuit Design?

In this entry of our Frequent Engineering Questions (FEQ) series, learn the basics of how a load line can be used in designing circuits.

February 14, 2020 by Robert Keim

Predicting Battery Degradation with a Trinket M0 and Python Software Algorithms

Learn how to build a setup that will help you predict a battery's performance as it ages using a Trinket M0 and software algorithms.

December 09, 2019 by Aaron Hanson

How to Select the Right Aluminum Electrolytic Capacitor

Learn the characteristics of aluminum electrolytic capacitors and tips on how to properly select one for use in electrical designs.

October 15, 2019 by Norton Brissac, TDK Electronics

What Is Brown Out Reset in Microcontrollers? How to Prevent False Power-Downs

Brown Out Reset is an important function to increase the reliability of a microcontroller after start-up. Normally used to solve problems with the power supply, this article shows how Brown Out Reset can prevent another problem.

October 09, 2019 by Stephen Colley

Why Raspberry Pi Isn’t a Good Choice for Commercial Products

RPi has done some amazing good in the world, especially for aspiring young engineers, but here's the breakdown on why it's probably not what you need for a professional project.

July 19, 2019 by Pallav Aggarwal

Low-Noise Voltage References: Understanding the Noise Performance of a Voltage Reference IC

Working with a low noise voltage reference? Learn more about noise specifications and relevant voltage reference ICs.

July 01, 2019 by Steve Arar