An HS switching transistor is coupled between a high-side node and a switching node. An LS switching transistor is coupled between the switching node and a low-side node. An inductive load is coupled to the switching node in a way where one of the HS/LS switching transistors is freewheeling. In…
A system and method is provided for measuring a voltage drop at a node. In embodiments, a circuit includes an analog-to-digital converter, a current sink, and a controller. The input of the analog-to-digital converter and the input of the current sink is coupled to the node to be measured. A set…
A road condition detection device, to be coupled to the wheel of a vehicle, is provided with: an electrostatic charge variation sensor, to provide a charge variation signal indicative of an electrostatic charge variation associated with the rotation of the wheel; and a processing unit, coupled to…
First and second circuit branches are coupled between an input node and ground. Each circuit branch includes a series coupling first-fourth transistors in a current flow path with an output node. A first capacitor is coupled between a first capacitor node and a second capacitor node intermediate…
A detection method of a user of an apparatus is provided in which the apparatus is coupled to a charge variation sensor having a control unit and an electrode to detect an electric/electrostatic charge variation of the user. The detection method includes acquiring, through the electrode, a charge…
A wireless device includes an energy harvester and an energy storage that operate in a sequence of energy harvesting cycles to alternately harvest energy and release energy for supplying the wireless device. The wireless device also includes a processing circuit and a wireless communication…
A method includes receiving a video signal that comprises a time series of images of a face of a human, wherein the images in the time series of images comprise a set of landmark points in the face, applying tracking processing to the video signal to reveal variations over time of at least one…
A driving circuit for controlling a MEMS oscillator includes a digital conversion stage to acquire a differential sensing signal indicative of a displacement of a movable mass of the MEMS oscillator, and to convert the differential sensing signal of analog type into a digital differential signal of…
A microelectromechanical gyroscope includes a support structure, a driving mass movable according to a driving axis; and an oscillating microelectromechanical loop. The microelectromechanical loop has a resonance frequency and a loop gain and includes the driving mass, a sensing interface that…
In an embodiment a circuit includes an inertial measurement unit configured to be oscillated via a driving signal provided by driving circuitry, a lock-in amplifier configured to receive a sensing signal from the inertial measurement unit and a reference demodulation signal which is a function of…
A current measurement circuit, for wireless charging systems, for instance, comprises a differential input configured to have applied an input voltage sensed across a shunt resistor traversed by a current to be measured, a voltage reversal switch arrangement selectively switchable to reverse the…
A method can be used to control a battery management system. A first voltage drop is sensed between a first terminal of a first battery cell and a second terminal of the first battery cell and a second voltage drop is sensed between a first terminal of a second battery cell and a second terminal of…
A circuit includes comparator circuitry to sense a current through a load and compare the intensity of the current with a comparison threshold which can be set to a first, lower threshold value and a second, higher threshold value. Logic circuitry receives from the comparator circuitry a comparison…
In an embodiment a circuit includes drive circuitry configured to be coupled to a control terminal of an electronic switch and configured to apply a discharge signal to the control terminal causing the electronic switch to become conductive and provide an electrical discharge path for an energized…
An embodiment driver circuit comprises a power supply pin configured to receive a power supply voltage, and a set of control pins configured to provide a set of control signals for controlling switching of a set of switches of an h-bridge circuit comprising a pair of high-side switches and a pair…
A vehicle such as a motor car (V) equipped with a radio equipment () is provided with a rearview camera 5 (). Video frames from the rearview camera () are received at the radio equipment () and transmitted to a mobile communication device (S) such as a smart phone equipped with a video screen (S)…
In an embodiment, a digital output driver circuit comprises an output stage having first and second transistors. A drive stage is configured to drive control terminals of the first and second transistors and comprising switching circuitry and current generator circuitry. In a first configuration…
A driving circuit for a microelectromechanical system (MEMS) gyroscope operating based on the Coriolis effect is provided. The driving circuit supplies drive signals to a mobile mass of the MEMS gyroscope to cause a driving movement of the mobile mass to oscillate at an oscillation frequency. The…
A first RF-to-DC circuit receives a radiofrequency signal and produces a first converted signal delivered to an energy storage circuit. A second RF-to-DC circuit, which is a down-scaled replica of the first RF-to-DC circuit, produces a second converted signal from the radiofrequency signal that is…
A current measurement circuit, for wireless charging systems, for instance, comprises a differential input configured to have applied an input voltage sensed across a shunt resistor traversed by a current to be measured, a voltage reversal switch arrangement selectively switchable to reverse the…
In an embodiment, a digital output driver circuit comprises an output stage having first and second transistors. A drive stage is configured to drive control terminals of the first and second transistors and comprising switching circuitry and current generator circuitry. In a first configuration…
An embodiment inertial measurement system includes: at least one motion sensor to output motion data with an output data rate (ODR) period; and a control unit coupled to the motion sensor to control operation thereof based on a power mode switching, according to which each ODR period includes: a…
A radiofrequency-powered device such as a wireless passive sensor node, for instance, comprises a radiofrequency energy harvesting circuit configured to be coupled to an antenna to harvest radiofrequency energy captured by the antenna from a radiofrequency signal. The radiofrequency energy…
A drive circuit for airbag systems, for instance includes a differential transconductance amplifier having a first input node, a second input node, an output node coupled to the second input node via a feedback line; a transistor coupled between a drive node and a supply node configured to be…