NFC Driving Current Back Into Battery

NFC Driving Current Back Into Batteryhttps://devzone.nordicsemi.com/f/nordic-q-a/13075/nfc-driving-current-back-into-batteryA week ago, I asked about this warning in the product specification: "If the antenna is exposed to a strong NFC field, current may flow in the opposite direction on the supply due to parasitic diodes and ESD structures. If the battery used doesen-USTelligent Community 13Mon, 11 Apr 2016 14:03:53 GMTRE: NFC Driving Current Back Into Batteryhttps://devzone.nordicsemi.com/thread/49871?ContentTypeID=1Mon, 11 Apr 2016 14:03:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9c872dd1-75de-4834-a164-10916f3dbc87bjorn-spockeli<p>Yes, you could see return current even with the protection circuit enabled if the device is exposed to a strong NFC field. As stated in the Product specification we recommend putting a series diode between the battery and the device.</p> <p>I am sorry, but we cannot share internal circuit schematics.</p> <p>-Bjørn</p><div style="clear:both;"></div>