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Output current sensing for eXtreme switch devices

Posted: 10 Jul 2014 ?? ?Print Version ?Bookmark and Share

Keywords:current sense? eXtreme switches? LED? calibration? MCU?

This document describes the current sense performance of eXtreme switches, and the enhanced current sense mode dedicated for low current loads, such as light emitting diodes (LED). This application note also presents the accuracy for 7.0 mOhm and 17 mOhm channels, and the practical implementation of a calibration procedure to get optimised results. This document does not consider errors linked to MCU and the external resistor connected to the CSNS pin.

View the PDF document for more information.

Originally published by Freescale Semiconductor at as "Output Current Sensing For the MC07XS6517 and MC17XS6500 eXtreme Switch Devices".

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