Nxp B.v.

Adrian Koh

Victor Allen Vega

Adam Brown

Peter J Esser

Keith Heppenstall

Ian Kennedy

According to a first aspect of the present disclosure, a apparatus is provided, the apparatus comprising a reader and a controller operatively coupled to the reader, wherein the reader is configured to receive certificate data from an external tag and to provide said certificate data to the controller, and wherein the controller is configured to receive said certificate data from the reader, to verify whether the certificate data are valid, and to enable operation of the apparatus if the certificate data are valid. According to a second aspect of the present disclosure, a corresponding method for controlling the operation of an apparatus is conceived. According to a third aspect of the present disclosure, a corresponding computer program product is provided.

Apparatus and method for controlling its operation

A transistor () has a FET () and a temperature sensing diode () integrated within it. Gate drive circuit () is arranged to switch off FET () and in this case biasing circuit () drives a constant current through the diode (). The voltage across the diode () is measured by voltage sensor () which provides a measure of the temperature of the FET.

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Stockport, United Kingdom

Adrian Koh