By combining charge-pump ICs with additional discrete components, this inverting design produces a negative output from a positive one with lower ripple and output impedance. An inverting charge pump takes a positive supply voltage and generates a ...
Have you ever been curious about the power consumption of an appliance? For example did you wonder how much it will cost you to leave your television in standby mode whole night? Or did you want to learn how much change your refrigerator settings ...
Several previously published Design Ideas and appnotes [ 1-4 ] show how to use many pushbuttons with a minimum number of inputs. They require an RC circuit where the timing can be measured to identify which pushbutton has been pressed, or an ADC ...
Application Note AN1629 October 2013 Pradeep Shamanna The increased popularity of short range wireless in home, building and industrial applications with 2.4 GHz band requires the system designers to understand the methods, estimation, cost and ...
Application Note TB3103 October 2013 Mihnea Rosu-Hamzescu This technical brief describes a synchronous buck power supply, based on the PIC16F753 using 100% analog control for output regulation. The implementation has the advantage of not using any ...
Application Note 25.5 November 2013 William Burdette The UCS1002 has advanced USB Port Power / Battery Charging features that can be employed to create unique charging solutions. The objective of this application note is to describe a simple AC-DC ...
Introduction The 16×8 LED Matrix clock was a project I built for my office. I wanted to have a clock for my desk which was a little unusual. I decided to build a 16×8 red LED matrix display and then interface this with a Microchip ...
Voltage-monitoring circuit is based on Microchip 12F675 MCU Lets users set up a tolerance around a specific value A voltage monitor is a common hardware need. But beyond a simple compare, many systems must provide a tolerance around a specific ...
The Superprobe project was designed to see how much could be done with a PIC chip and just a few parts. The image at the right shows the capacitance measuring mode. This device is designed around a PIC16F870 from Microchip , a 4 digit LED display ...
For my latest projects I used a lot of single cell lipo batteries. They are really nice. High power density, low self-discharge, no memory effect and they can deliver quite an amount of current. But lipo battery handling is a bit more complicated ...