An evaluation circuit, system, and method for evaluating a capacitive or inductive sensor includes first and second measurement connections to which sensors and/or reference elements are connected, first and second charging and discharging circuits that respectively output first and second charging and discharging signals to the first and second measurement connections. A comparator circuit compares the temporal behavior of the first and second charging and discharging signals. An integrator circuit produces an output voltage that changes as a function of the voltage at the output of the comparator circuit. The output voltage of the integrator circuit is connected to the first or second measurement connection to adjust the respective first or second charging and discharging signal. A measurement signal derived from the output voltage of the integrator circuit is a measure of impedance differences between the sensors or reference elements at the first and second measurement connections.

An overcurrent protection circuit, an overcurrent protection method, and a display device are disclosed. The overcurrent protection circuit includes: a voltage generation circuit, a current detection circuit, and a microcontroller. An input end of the voltage generation circuit is connected to a power supply, an output end of the voltage generation circuit is connected to an input end of the current detection circuit, and a first output end of the current detection circuit is connected to a first input end of the microcontroller. The voltage generation circuit generates a low-order voltage, and transmits the low-order voltage to the current detection circuit. The current detection circuit generates a first current value based on the low-order voltage and transmits the first current value to the microcontroller. The microcontroller outputs a set overcurrent protection value based on a total current value of the overcurrent protection circuit and the first current value.

An overcurrent protection circuit, an overcurrent protection method, and a display device are disclosed. The overcurrent protection circuit includes: a voltage generation circuit, a current detection circuit, and a microcontroller. An input end of the voltage generation circuit is connected to a power supply, an output end of the voltage generation circuit is connected to an input end of the current detection circuit, and a first output end of the current detection circuit is connected to a first input end of the microcontroller. The voltage generation circuit generates a low-order voltage, and transmits the low-order voltage to the current detection circuit. The current detection circuit generates a first current value based on the low-order voltage and transmits the first current value to the microcontroller. The microcontroller outputs a set overcurrent protection value based on a total current value of the overcurrent protection circuit and the first current value.

The current sensing device in the present disclosure comprises a plurality of sensing units each of which is connected to a sensing channel. The sensing unit may comprise a reference current generator generating a reference current; a current comparator outputting a comparator output signal based on a pixel current input through the sensing channel and the reference current, and removing an offset deviation component included in the pixel current and the reference current by using a reset current externally applied; and an edge triggered data flip-flop outputting a digital sensing value corresponding to the pixel current based on the comparator output signal.

The current sensing device in the present disclosure comprises a plurality of sensing units each of which is connected to a sensing channel. The sensing unit may comprise a reference current generator generating a reference current; a current comparator outputting a comparator output signal based on a pixel current input through the sensing channel and the reference current, and removing an offset deviation component included in the pixel current and the reference current by using a reset current externally applied; and an edge triggered data flip-flop outputting a digital sensing value corresponding to the pixel current based on the comparator output signal.

A system and method for operating a sensing circuit for sensing a pixel current of a pixel of a display panel using correlated double sampling. In some embodiments, the method includes: during a first interval of time, resetting a pixel sensing circuit; during a third interval of time following the first interval of time, operating the pixel sensing circuit in an integration mode; during a fourth interval of time following the third interval of time, operating the pixel sensing circuit in a hold mode; and during a fifth interval of time following the fourth interval of time, operating the pixel sensing circuit in the integration mode.

A system and method for operating a sensing circuit for sensing a pixel current of a pixel of a display panel using correlated double sampling. In some embodiments, the method includes: during a first interval of time, resetting a pixel sensing circuit; during a third interval of time following the first interval of time, operating the pixel sensing circuit in an integration mode; during a fourth interval of time following the third interval of time, operating the pixel sensing circuit in a hold mode; and during a fifth interval of time following the fourth interval of time, operating the pixel sensing circuit in the integration mode.

A system for monitoring the connection of the terminals of a battery which is suitable to be connected and provide auxiliary electrical power to an onboard electrical distribution system of a motor vehicle includes an electronic control unit; a sensor to be connected to at least one of the terminals of the battery and to provide in input to the electronic control unit signals indicative of the electric power currently generated by the battery. The electronic control unit is configured, based on the signals received in input: to monitor and compare an electrical parameter of the electric power currently generated by the battery with a predefined reference condition which is indicative of a correct connection of the terminals; to output an alert signal indicative of an incorrect connection of at least one of the terminals of the battery to the onboard electrical distribution system when the electrical parameter monitored exceeds the predetermined reference condition.

A system for monitoring the connection of the terminals of a battery which is suitable to be connected and provide auxiliary electrical power to an onboard electrical distribution system of a motor vehicle includes an electronic control unit; a sensor to be connected to at least one of the terminals of the battery and to provide in input to the electronic control unit signals indicative of the electric power currently generated by the battery. The electronic control unit is configured, based on the signals received in input: to monitor and compare an electrical parameter of the electric power currently generated by the battery with a predefined reference condition which is indicative of a correct connection of the terminals; to output an alert signal indicative of an incorrect connection of at least one of the terminals of the battery to the onboard electrical distribution system when the electrical parameter monitored exceeds the predetermined reference condition.

A measurement device includes a sensor unit capable of measuring a state of a measurement target, and a control unit configured to control the sensor unit. The sensor unit includes a measurement unit capable of measuring a voltage corresponding to the state of the measurement target, a first voltage comparison unit configured to determine whether or not the measured voltage is changed beyond a lower limit value of a predetermined voltage change, and a second voltage comparison unit configured to determine whether or not the voltage change is changed beyond an upper limit value of the voltage change. The control unit stops power supply to the sensor unit in a case in which it is determined in the first and second voltage comparison units that the measured voltage is not changed beyond the voltage change.