Posts Tagged ‘digipot’

DigiPot assembled

Thursday, January 17th, 2013

Matseng continues his challenge of designing one PCB a week. His week 2 board, the DigiPot, has arrived and he assembled it. He did run into problems soldering the connectors which he unfortunately clustered under the encoder. Soldering them was very hard and the leads on both the pin headers...

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App Note: Adjustable power supply using a digital potentiometer

Saturday, June 2nd, 2012

How to use a digital potentiometer to calibrate and control an adjustable power supply. A resistive feedback network is often used to set the output voltage of a power supply, since fixed resistors are simple to use and low cost. However, because a fixed network is not adjustable, the output...

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App note: Pushbuttons Control Regulated Switching Converter

Saturday, December 3rd, 2011

Here is an app note from Maxim describing how to implement a digital potentiometer to adjust the output of a boost converter. Digipot is controlled through two push buttons. One controls the direction of the wiper, while the other moves the digipot wiper in the selected direction. The digipot is...

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