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Power Technical Articles
Test & Measurement
How to Troubleshoot a Diode Bridge Rectifier
This article will examine different faults of a diode bridge rectifier to provide some insight into troubleshooting an AC/DC power supply.
February 01, 2019
Introduction to Supercapacitors
Get a primer on the basics of supercapacitors, their functionality, and which applications they're best for.
January 28, 2019
Maurizio Di Paolo Emilio
The Howland Current Pump
The Howland current pump, invented by MIT’s Professor Bradford Howland in the early 1960s, consists of an op-amp and a balanced resistor bridge and puts out current in either direction....
January 07, 2019
Power Systems and Battery Chemistries Used in Electric Vehicles
This article provides an introduction to the characteristics and requirements of EV battery systems.
October 25, 2018
Wireless RF Energy Harvesting: RF-to-DC Conversion and a Look at Powercast Hardware
This article looks at the technology and the sample kits that Powercast provides users who want to learn more about the technology.
August 03, 2018
PCB Layout Tips and Tricks: Minimizing Decoupling Inductance
This article examines some subtle details associated with the high-frequency performance of decoupling capacitors.
July 26, 2018
PCB Layout Tips and Tricks: How to Optimize Your Decoupling Connection
This article explores the somewhat complicated issue of how exactly to connect a decoupling capacitor to a power pin.
July 18, 2018
Reverse Polarity Protection: How to Protect Your Circuits Using Only a Diode
Connecting power with incorrect polarity is an easy mistake to make. Fortunately, protecting your device from reverse polarity is also quite easy....
June 28, 2018
How to Choose the Frequency of Your Switching Regulator
This article discusses some details—efficiency, noise, etc.—that influence the choice of operational frequencies for switch-mode power supplies....
June 13, 2018
PCB Layout for a Photovoltaic Power Supply for Microcontroller Circuits
This article discusses the PCB layout for a power-supply circuit that generates a regulated 3.3 V rail from a small solar cell.
June 07, 2018
Schematic Design for a Solar-Powered Charge-Pump Power Supply Circuit
This article discusses a 3.3 V power-supply circuit that is built around an inductorless DC/DC converter and a solar cell.
June 06, 2018
Selecting and Implementing Photovoltaic Cells for Solar-Powered Devices
This article discusses details that will help you choose the right kind of solar cell and successfully incorporate it into your next project....
May 31, 2018
The Circuit Designer’s Guide to Photovoltaic Cells for Solar-Powered Devices
This article presents the equivalent circuit for a solar cell and discusses some implementation details.
May 30, 2018
PCB Layout for a Charge-Pump Bipolar Power Supply
In this article we’ll look at the PCB design for a low-noise ±5 V inductorless power supply.
May 28, 2018
Designing a Charge-Pump Bipolar Power Supply
This article presents and discusses a schematic design for a ±5 V inductorless power supply.
May 16, 2018
Boosting and Inverting without Inductors: Charge-Pump Power Supplies
This article discusses charge-pump DC/DC converters and introduces a design for an inductorless bipolar power-supply circuit.
May 14, 2018
Hardware Evaluation for the Cypress S6AE102A/S6AE103A Eval Kit for Energy Harvesting Applications
In this article, we will assess and characterize the hardware of two power management IC development boards from Cypress Semiconductor, designed for energy-harvesting applications....
May 08, 2018
The PNP Transistor: Characteristics and Applications
This article helps you understand what PNP transistors are, how they’re used, and why they’re less common than NPN transistors.
April 20, 2018
Power for Airborne Systems: MIL-STD-704
This technical brief discusses a widely used military standard for power-supply characteristics.
April 09, 2018
How to Monitor Current with an Op-Amp, a BJT, and Three Resistors
This article, part of AAC’s Analog Circuit Collection, explains the functionality of a clever circuit that accurately measures supply current....
February 19, 2018
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