A glitch detector includes a sensing circuit, a glitch-to-pulse generator and a comparing circuit. The sensing circuit generates a glitch voltage and at least one reference voltage based on a first power supply voltage. The glitch-to-pulse generator receives the first power supply voltage or the glitch voltage, and generates at least one pulse voltage including a pulse when the glitch occurs on the first power supply voltage. The comparing circuit generates at least one detection voltage by comparing the glitch voltage with the at least one reference voltage based on the pulse included in the at least one pulse voltage. The at least one detection voltage is activated when the glitch occurs on the first power supply voltage.

A current measurement apparatus comprises: a capacitor connected in parallel to a signal terminal of a device under test (DUT); a test pattern generation apparatus generating a test pattern to operate the DUT; and a measurement module connected to one end of the capacitor. The measurement module comprises: an input/output (I/O) buffer increasing or reducing an amount of charges of the capacitor and outputting a signal corresponding to an output logic value according to a voltage of the one end of the capacitor; a time measurer measuring an arrival time which it takes for the voltage of the one end of the capacitor to reach a second voltage from a first voltage; and a controller controlling the i/o buffer and the time measurer to measure the arrival time and controlling such that a value of a current related to an inspection of a DUT is measured using the arrival time.

A memory system includes a connector through which power for the memory system is to be supplied from an external device, a controller, a nonvolatile memory device, a power source circuit connected to the controller and the nonvolatile memory device by power lines through which power is supplied to the controller and the nonvolatile memory device, and a power source control circuit that receives a supply of power from the external device through the connector and supplies the power to the power control circuit. The power source control circuit is configured to detect using a divided voltage of a voltage of the power supplied thereto, that the voltage of the power supplied thereto is higher than a predetermined voltage and interrupt the power supplied to the power control circuit if the voltage of the power supplied thereto is higher than the predetermined voltage.

An overcurrent detection circuit, which detects overcurrent of a load driving device arranged to drive a capacitance load by switching a voltage applied to the capacitance load between high level and low level, includes a clock signal generation unit arranged to generate a clock signal, a comparing unit arranged to compare a physical quantity corresponding to current supplied from the load driving device to the capacitance load with a predetermined value, and a determination unit arranged to determine whether or not the load driving device is in an overcurrent state based on the clock signal and a result of the comparison by the comparing unit, during a period in which the load driving device applies a high level voltage to the capacitance load.

A zero current detection system for a switching regulator is provided. The switching includes an inductor. In the zero current detection system, a comparator has a positive input coupled to a terminal of the inductor and an output terminal for outputting a comparison result signal; a first signal latch circuit has a clock terminal for receiving the comparison result signal and outputting a latched output signal; a delay line module starts counting upon receipt of the latched output signal, and then outputs a zero current detection signal after counting a delay time; in response to the zero current detection signal, a voltage sampling module samples a node voltage at two different time points, to generate two sampling voltages; a delay control module adjusts the delay time of the delay line module according to the two sampling voltages.

To provide an ignition control device of an internal combustion engine capable of reducing the number of adjustment steps required for adjustment such as matching of a MOS gate voltage or the like without being affected by device variation. A detection voltage is generated on the basis of a primary current flowing through a current detection resistor having a positive temperature dependent characteristic. A reference voltage is generated by a potential difference between a base and an emitter of a first bipolar transistor circuit and a multiple type second bipolar transistor circuit in which a plurality of bipolar transistors are connected in parallel, and a resistance value of a first resistor connected to the emitter side of the plurality of the bipolar transistor circuit, on the basis of a current having a positive temperature dependent characteristic similar to the current detection resistor.

Herein disclosed is an error warning module, installed in an electronic device, comprising a detection unit and a processing unit. The detection unit detects a current or a voltage being transmitted by the electronic device to generate a current detection signal or a voltage detection signal. The processing unit, electrically connected to the detection unit, determines whether a current detection value indicated by the current detection signal exceeds a current setting range, or whether a voltage detection value indicated by the voltage detection signal exceeds a voltage setting range. When the current detection value exceeds the current setting range or the voltage detection value exceeds the voltage setting range, the processing unit generates a warning signal.

An abnormality prompting method and an intelligent socket (30) are provided. Prompting is performed when a home appliance runs abnormally by means of the intelligent socket (30). The method includes: the intelligent socket (30) receives a state message from a first home appliance (S202), and the state message includes indication information used for indicating a current working mode of the first home appliance; the intelligent socket (30) obtains an actual value of a working parameter of the first home appliance (S203); the intelligent socket (30) determines a working state of the first home appliance according to the actual value of the working parameter and a maximum value of the working parameter allowed by the working mode (S204); when determining that the working state of the first home appliance is an abnormal state, the intelligent socket (30) outputs a prompt message (S205).

A method and an apparatus for displaying information of a motor are provided. The method includes: acquiring a target category identifier of a target motor; determining a category parameter interface according to the target category identifier, and displaying the category parameter interface, wherein the category parameter interface displays a category parameter tag that prompts a user to enter parameter information corresponding to the category parameter tag; acquiring target parameter information entered by the user via the category parameter interface; and obtaining target display information corresponding to the target category identifier according to the target parameter information, and displaying the target display information.

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 polarity of the input voltage as applied between a first and a second voltage sensing nodes as well as a first and a second current flow line between the voltage sensing nodes and ground. A difference resistor intermediate the two current flow lines is traversed by a current which is a function of the input voltage as applied to the first and second sensing nodes via the voltage reversal switch arrangement. First and second current sensing nodes at the two current flow lines are coupled to a differential current output via a current reversal switch arrangement selectively switchable to reverse the output current polarity.