Latest Electric Vehicles Technical Articles

Pulse-width Modulation (PWM) Timers in Microcontrollers

This article is the second of a series on microcontroller timers. This article describes a more complex timer called the PWM or pulse-width modulation timer.

February 07, 2020 by Stephen Colley

Understanding the Temperature Coefficient of a Voltage Reference

How does temperature affect the output of a voltage reference? What is a temperature coefficient specification?

June 06, 2019 by Steve Arar

How to Choose the Right Driver IC for Stepper Motors

This article discusses features and functionality offered by integrated circuits that simplify the task of controlling a stepper motor.

December 12, 2018 by Robert Keim

Choosing the Right Motor-Driver IC

This article provides some practical guidance on how to evaluate integrated circuits intended for controlling brushed DC motors.

December 07, 2018 by Robert Keim

Measure Position and Speed Control of a DC Motor Using an Analog PID Controller

This article shows how to implement an analog PID controller, including adjusting of the angular position of a DC motor shaft, editing the design to control its speed, and tuning PID parameters for reliable performance.

August 14, 2018 by Mahmoud Hamdy, Brightskies Technologies

Choosing the Right Transistor: Understanding Dynamic MOSFET Parameters

In this article, we’ll discuss MOSFET characteristics related to transient conditions and switch-mode operation.

July 24, 2018 by Robert Keim

Choosing the Right Transistor: Understanding Low-Frequency MOSFET Parameters

This article provides an overview of various characteristics and specifications that are relevant to low-frequency MOSFET operation.

July 23, 2018 by Robert Keim

How To Quickly Evaluate ROHM Stepper Motor Drivers

This how-to video demonstrates the use of ROHM's STEPMO_EVK_206 to evaluate stepper motor drivers.

July 18, 2018 by Chris Anderson

Beyond the Optocoupler: Understanding Digital Isolators

Optocouplers are undoubtedly effective, but alternative isolation technologies may be a better choice for your application.

July 13, 2018 by Robert Keim

How To Control a DC Motor with an Arduino

By connecting an L298 bridge IC to an Arduino, you can control a DC motor.

July 07, 2018 by Tim Youngblood

3-Phase Brushless DC Motor Control with Hall Sensors

This article describes how to control a 3-phase brushless DC motor using a GreenPAK.

June 26, 2018 by Oleg Basovych, Dialog Semiconductor

Three-Phase BLDC Motors Save Energy in Appliance Systems

This article looks at how appliance design is utilizing three-phase brushless DC motors to reduce system power consumption to meet Energy Star's requirements.

June 14, 2018 by Innocent Irakoze, Texas Instruments

How to Low-Pass Filter a Square Wave

This article, part of AAC’s Analog Circuit Collection, presents a circuit that is a good choice when you need to remove high-frequency noise from a digital signal.

March 07, 2018 by Robert Keim

Tales of Project Troubleshooting: Solutions from a Problem-Magnet

This article covers the various roadblocks encountered in a new design and how they were troubleshot and overcome.

January 19, 2018 by Mark Hughes

All About BLDC Motor Control: Sensorless Brushless DC Motor Controllers

Learn about sensorless brushless DC motor controllers, some example ICs, and some disadvantages of using such motors.

October 18, 2017 by Nick Davis

Testing for a Robot’s Collision Detection System with Varying Impact Resistance

We’ll use real collision data to refine the detection algorithm, and even better, we’ll confirm that the system actually works.

September 28, 2017 by Robert Keim

Build a Temperature and/or Humidity Controlled Fan with a Picaxe 08M2 Microcontroller

A Picaxe 08M2 microcontroller and an HIH6030 sensor team up to easily control a ventilation fan using temperature or humidity or both.

September 25, 2017 by Raymond Genovese

How to Protect Your Robot with Automatic Collision Detection

In this article, we’ll develop and test an algorithm for automatically shutting down a robot in response to a collision (or some other violent event).

September 21, 2017 by Robert Keim

Adding an LCD and Keypad to a Tachometer and Speedometer

In part two of the tachometer/speedometer project, we'll add a keypad and LCD for easier user interaction.

September 18, 2017 by Nick Davis

How to Build a Tachometer/Speedometer with an Optoelectronic Sensor, a Microcontroller, and a Disc

Learn how to make a tachometer and speedometer using a C8051 microcontroller, an optoelectronic sensor, and a spinning disc.

September 06, 2017 by Nick Davis

What Does the Future Hold for SiC Semiconductors?

This article looks ahead to what needs to be next for SiC, where it might be applied, and how it could become the dominant force in power.

17 hours ago by Anup Bhalla, UnitedSiC

Wolfspeed 650V Silicon Carbide (SiC) Schottky Diode | 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.

18 hours ago by Wolfspeed

CCD Image Sensor Types: Full-Frame, Interline-Transfer, and Frame-Transfer CCDs

This article explains the characteristics, advantages, and disadvantages of three CCD (charge-coupled device) architectures.

one day ago by Robert Keim

Understanding Digital Oscilloscope Sample Rate and Analog Bandwidth Specs

In this article, we’ll examine two important specifications of a digital oscilloscope: analog bandwidth and sampling rate.

March 24, 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

Understanding the Structure and Functionality of CCDs

This article will help you to understand what CCD sensors are and how they allow us to convert an optical scene into a digital image.

March 23, 2020 by Robert Keim

Introduction to Image Sensor Technology, from Photons to Electrons

This article, the first in a series, discusses light-sensitive electronic devices called photodiodes and compares CCD and CMOS sensors.

March 23, 2020 by Robert Keim

Resistors in Parallel: Circuit Analysis with Parallel Resistance

This article shows you how to calculate currents flowing through parallel resistance and explains the concept of equivalent resistance.

March 20, 2020 by Robert Keim

Introduction to Ultra-Wideband (UWB) Technology

Learn the basics of the ultra-wideband short-range wireless protocol, a technology that can be found in cutting-edge devices.

March 19, 2020 by Dr. Mustafa Bakr

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 Simulate Silicon Carbide Transistors with LTspice

This article reviews the silicon carbide scene and then explains how to get SiC SPICE models and incorporate them into a simulation circuit.

March 16, 2020 by Robert Keim

Resistors in Parallel: Understanding Current and Voltage in Parallel Networks

This article gives you the information you need to identify parallel resistors and understand their behavior in electric circuits.

March 12, 2020 by Robert Keim

What Is a Hardware Description Language (HDL)?

This F_EQ (or Frequent Engineering Question) covers the basics of a crucial topic: hardware description languages.

March 11, 2020 by Robert Keim

The Mapping Function and Circuit Implementation in Histogram Equalization

In this article, we'll look into greater details on a histogram equalization method, including use cases of the mapping function and circuit implementation.

March 10, 2020 by Steve Arar

Why CAD Models are Failing Professional Electrical Engineers

In this article, Octopart's Director of Operations for Part Data Geof Lipman explores how traditional CAD modeling needs to change in order for electrical engineers to keep up with product design deadlines.

March 10, 2020 by Geof Lipman, Octopart