Current-Limit Switch Is Digitally Programmable

Abstract: Current-limit switches are virtually ubiquitous in system controls. They provide a safe means for regulating the current delivered to a load circuit. The switches allow the load current to increase to a programmed limit but no higher. This application note illustrates the implementation of a digitally programmable current-limit switch using MAX890L a current-limited, high-side P-channel switch and MAX5160 digital potentiometer
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Keywords: current limited, current-limit, switch, digital potentiometer, digital pots, P channel switch, switches Aug 17, 2000

APPLICATION NOTE 298
Current-Limit Switch Is Digitally Programmable

Abstract: Current-limit switches are virtually ubiquitous in system controls. They provide a safe means for
regulating the current delivered to a load circuit. The switches allow the load current to increase to a
programmed limit but no higher. This application note illustrates the implementation of a digitally
programmable current-limit switch using MAX890L a current-limited, high-side P-channel switch and MAX5160
digital potentiometer

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