Krott, Michel

An asynchronous digital control circuit (200) includes a FSM state vector circuit (210) and a plurality of sequential logic circuits (300). A number of sequential logic circuits comprise: a first input (310) arranged to receive a sequential logic circuit analog event enable signal from the state vector circuit; a register (360) captures an occurrence of an analog event; a logic gate (370) gates an output of the register with a previous digital control circuit action (372) to provide mutually exclusive actions. A second analog input receives a respective captured analog event signal (320); and an analog event condition circuit (350) combines a plurality of analog input signals to form an analog event signal. An output is at least one action to control an analog circuit in response to the respective captured analog event signal and the sequential logic circuit analog event enable signal.

A method of remotely digitizing and updating a virtual card is proposed which is agnostic to emulation environments.

The present disclosure relates to a key fob for accessing a vehicle, wherein the key fob comprises: a secure element comprising: a microcontroller unit; a non-volatile memory module communicably coupled to the microcontroller unit, the non-volatile memory module configured to store a first system software for running a first vehicle access application and a second system software for running a second vehicle access application; and one or more secure hardware blocks communicably coupled with the microcontroller unit; wherein the key fob is configured to operate in a first mode or second mode, wherein, in the first mode, the microcontroller unit is configured to: activate the secure hardware blocks; operate at a first clock speed; and boot the first system software; and in the second mode, the microcontroller unit is configured to: inhibit activation of one or more of the secure hardware blocks and/or operate at a second clock speed that is lower than the first clock speed; and boot the second system software.

One example discloses a module, including: an e-switch configured to be coupled to a power supply and a load; a controller coupled to the e-switch; wherein the controller is configured to determine if the e-switch was intentionally or unintentionally shutdown; wherein the controller is configured to command the e-switch to send a first power level to the load if the e-switch was intentionally shutdown; wherein the controller is configured to command the e-switch to send a second power level to the load if the e-switch was unintentionally shutdown; wherein at a first time the second power level is less than the first power level; and wherein if at a second time the second power level is greater than the first power level, the controller is configured to command the e-switch to stop sending power to the load.

In accordance with a first aspect of the present disclosure, a secure element for use in a battery system is provided, the secure element comprising: a seal interface configured to couple the secure element to a seal included in the battery system, wherein the seal is configured to physically protect a battery unit of the battery system; a storage unit configured to store a reference value indicative of a closed state of the seal; a monitoring unit configured to monitor an electrical characteristic of the seal and to compare said electrical characteristic of the seal with the reference value. In accordance with a second aspect of the present disclosure, a corresponding method of operating a secure element is conceived.

A method for performing ultra-wide-band (UWB) radio-frequency (RF) frame validation, wherein an UWB frame comprises: a synchronisation header (SYNC) field suitable for synchronisation between a transmitter and a receiver, and a scrambled timestamp sequence (STS) suitable for providing additional integrity and security for ranging measurements. The method comprises: receiving a SYNC channel impulse response (CIR) of an UWB frame; receiving an STS CIR of the UWB frame; comparing peak amplitude values of the SYNC CIR and the STS CIR. If a difference between the peak amplitude values of the SYNC CIR and the STS CIR is greater than a predetermined magnitude difference threshold, then: rejecting the UWB frame; else: comparing polarities of the SYNC CIR and the STS CIR. If the polarities of the SYNC CIR and the STS CIR are different, then rejecting the UWB frame; else: accepting the UWB frame.

One example discloses a power regulator, including: a power output node configured to be coupled to a high-side of a load; a load ground node configured to be coupled to a low-side of the load; a negative feedback node (Fbm) configured to form a negative feedback path when coupled to the low-side of the load; a controller configured to regulate voltages at the power output node and the load ground node in response to a voltage on the negative feedback path; a current source configured to inject a current at the negative feedback node (Fbm); and a detector circuit configured to monitor a voltage (VFbm) at the negative feedback node (Fbm); wherein the detector circuit is configured to switch the negative feedback node (Fbm) from the load ground node to an internal ground node, if the voltage (VFbm) exceeds a predetermined threshold voltage.

In accordance with a first aspect of the present disclosure, a near field communication (NFC) device is provided, comprising: an NFC antenna; a first transmitter operatively coupled to the NFC antenna; a second transmitter operatively coupled to the NFC antenna; a controller operatively coupled to the first transmitter and the second transmitter; wherein the NFC antenna comprises a first part and a second part, the first part extending from the first transmitter to a ground connection of said NFC antenna, and the second part extending from said ground connection to the second transmitter; wherein the controller is configured to cause the first transmitter to feed the first part of the NFC antenna while the second transmitter does not feed the second part of the NFC antenna, and to cause the second transmitter to feed the second part of the NFC antenna while the first transmitter does not feed the first part of the NFC antenna. In accordance with a second aspect of the present disclosure, a corresponding method of operating an NFC device is conceived.

A method (800) for adapting a supply voltage of a device comprises: configuring (810) a change in an operational state of the device; measuring (820) a temperature of the device; determining (830) a supply voltage level for the device to operate in the configured operational state; and adapting (840) a supply voltage of the device in dependence on at least the measured temperature and the supply voltage level for the device to operate in the configured operational state.

An integrated circuit for a wireless charging device, the integrated circuit configured to: communicate with a receiver device using near field communication, NFC; determine one or more processing response times of the receiver device based on the communication; and determine if the receiver device comprises a passive NFC tag or a powered NFC device based on the one or more processing response times.