A method for reading pressure may include reading, by a first device, an acceleration of a pressure sensor, wherein the pressure sensor is encapsulated in a medium, and wherein the acceleration alters a reading of the pressure sensor and reading, by a second device, a pressure reading from the…
According to an embodiment, a deployment circuit for a pyrotechnic device comprises terminals couplable to the pyrotechnic device, and a driver circuit comprising an electronic switch and a current limiter configured to selectively energize the pyrotechnic device. A control circuit drives the…
In accordance with various embodiments of the present disclosure, a method for confirming kickback is provided. In some embodiments, the method for confirming kickback comprises, in response to an indication of a kickback occurrence, comparing an input current to a predetermined current threshold…
A rectifier includes a first terminal coupled to an output via a component and a second terminal coupled to the output via a component. A transistor has a first node coupled to the first terminal and a second node coupled to a voltage rail. A voltage comparator has an input coupled to the first…
The present disclosure relates to an electric power circuit, comprising at least: several power supply sources; an electric interconnection bus coupled to the power supply sources; and switching devices each comprising at least a thyristor and a field-effect transistor parallelly coupled to each…
According to an embodiment, a demodulator circuit for wireless power transfer systems addresses phase wrap-around issues in phase-shift keying (PSK) modulated signals. The demodulator converts received signals from Cartesian to polar coordinates. It performs phase correction to mitigate rapid…
According to an embodiment, a method for calibrating a local oscillator in an Amplitude Shift Keying (ASK) demodulator of a wireless power transmitter is proposed. The method includes receiving a digital signal corresponding to a voltage or a current of a transmitter coil in a wireless power system…
Apparatuses, systems, and methods to balance flying capacitors in high power multi-level buck or boost converters for renewable and solar maximum power point tracking (MPPT) inverter applications are provided. An exemplary method includes initializing at least a multi-level converter circuitry and…
The present disclosure is directed to a device and method for lid angle detection that is accurate even if the device is activated in an upright position. While the device is in a sleep state, first and second sensor units measure acceleration and angular velocity, and calculate orientations of…
A MEMS gyroscope includes driving circuitry applying a time-varying forcing-signal to its driving mass through capacitive couplings and readout circuitry determining angular rotation of the gyroscope rate based on changes in capacitive couplings between signal sensing stators and the sensing mass…
According to an embodiment, a circuit is proposed for generating rate and quadrature demodulation signals, incorporating unidirectional hysteresis for negative edges. The circuit features a preliminary stage that amplifies the differential sinusoidal signal from gyroscopic proof mass oscillations…
The present disclosure is directed to shock and orientation detection for an electronic device. The shock detection detects shock events, such as an accidental drop of the device, and the orientation detection detects the orientation of the device at the time of the detected shock event. The…
An electronic vehicle includes A DC link capacitor and a traction inverter coupled to the DC link capacitor. The traction inverter includes a first half bridge circuit, a second half bridge circuit, and a third half bridge circuit each coupled between terminals of the DC link capacitor. The…
A sensor module includes a pattern generator configured to generate a variable frequency self-test signal. The sensor module includes an inertial sensor including a self-test electrode configured to receive the frequency sweep self-test signal. The inertial sensor is configured to generate an…
The present disclosure is directed to accelerometer measurement compensation for a device with first and second accelerometers. The first and second accelerometers are included in first and second components, respectively, of the device that are configured to rotate with respect to a hinge. The…
A crash detection system includes first and second sensors and a processor. The processor receives first sensor data output by the first sensor, determines whether the first sensor data indicates a first class or a second class, outputs an enable signal to the second sensor if the first sensor data…
A sensor system includes a plurality of inertial measurement units (IMU) and a control circuit. The control circuit is configured to receive sensor data from each of the inertial measurement units two alignment the timestamps of the sensor data, and to fuse the sensor data from the various IMUs…
Described herein is an electric motor drive system, including at least one power phase line, an external controller configured to generate a drive signal and provide the drive signal to the at least one power phase line, and motor electronics. The motor electronics include at least one switch…
A DC-DC converter includes an inverter converting a DC supply voltage to a time varying signal. A transformer has a primary winding coupled to the inverter through an LC-tank circuit. A diode structure includes a first diode pair coupled in series between a high-voltage bus and a negative output…