Abstract: A voltage conversion circuit includes: an inductor, a first switch module, N second switch modules connected in series, N third switch modules connected in series, and N?1 flying capacitors. One terminal of the first switch module is separately connected to one terminal of the N second switch modules connected in series and one terminal of the N third switch modules connected in series. The other terminal of the N third switch modules connected in series is connected to a positive electrode of a high-voltage power supply. The other terminal of the first switch module and the other terminal of the N second switch modules connected in series are connected to a negative electrode of the high-voltage power supply. A low-voltage power supply is connected to the two terminals of the first switch module through the inductor.

Abstract: Systems and methods are provided for generating a temperature compensated reference voltage. A temperature compensation circuit may include a proportional-to-absolute temperature (PTAT) circuit, and a complementary-to-absolute temperature (CTAT) circuit, with the PTAT circuit and the CTAT circuit including at least one common metal-oxide-semiconductor field-effect transistor (MOSFET) and being configured to collectively generate a reference voltage in response to a regulated current input. The PTAT circuit may be configured to produce an increase in magnitude of the reference voltage with an increase of temperature, and the CTAT circuit may be configured to generated a decrease in magnitude of the reference voltage with the increase of temperature, wherein the increase in magnitude of the reference voltage produced by the PTAT circuit is at least partially offset by the decrease in magnitude of the reference voltage produced by the CTAT circuit.

Abstract: A gating signal for masking overhead transitions in a data-strobe signal is generated adaptively based on timing events in the incoming data-strobe signal itself to yield a gating window that opens and closes deterministically with respect to active edges of the data-strobe signal.

Abstract: An electronic device including a voltage detection circuit, a control and protection circuit, at least one voltage converter, and a system-on-chip is provided. The voltage detection circuit detects a voltage source to output a voltage detection signal. The control and protection circuit, coupled to the voltage detection circuit, generates a system power enabling signal according to the voltage detection signal. The at least one voltage converter, coupled to the control and protection circuit, generates a system power signal according to the system power enabling signal. The system-on-chip, coupled to the at least one voltage converter, controls the electronic device when receiving the system power signal. In response to a power off signal generated from the system-on-chip, the control and protection circuit further isolates the voltage detection signal to avoid the transition of the voltage detection signal affecting a system shutdown procedure of the electronic device.

Abstract: Disclosed is an integrated circuit including a first bias current generating circuit. The first bias current generating circuit includes a first amplifier receiving a reference voltage and a first voltage and amplifying a difference between them to output a first output voltage, a first bias current generator receiving the first output voltage and outputting a first bias current in response to the first output voltage, a variable resistor receiving the first bias current and outputting the first voltage in response to the first bias current and a calibration code, a second bias current generator receiving the first output voltage and outputting a second bias current to a peripheral circuit in response to the first output voltage, and a third bias current generator receiving the first output voltage and outputting a third bias current to an external device through a first pad in response to the first output voltage.

Abstract: A charge pump includes a first-stage switch, intermediate-stage switches, and a final-stage switch sequentially connected in series to a power line from an input terminal side. A snubber circuit is connected to the intermediate-stage switch. The snubber circuit includes a capacitor and first and second diodes. The capacitor is connected in series to the first diode and the series circuit of the capacitor and the first diode is connected in parallel to the intermediate-stage switch. The cathode of the second diode is connected to a node between the capacitor and the first diode and the anode of the second diode is connected to output terminal.

Abstract: A voltage regulation circuit is provided. The voltage regulation circuit includes an error amplifier, an output transistor, a noise extraction circuit, and a stabilization circuit. The error amplifier provides a control signal in response to changes in a feedback voltage. The output transistor receives an input voltage signal, and adjusts an output voltage signal at an output terminal of the voltage regulation circuit in response to the control signal and the input voltage signal. The noise extraction circuit extracts a noise of the input voltage signal to provide a noise current signal. The stabilization circuit converts the noise current signal into a stable signal. In a high operating frequency range, the stabilization circuit provides the stable signal to a control terminal of the output transistor to cancel interference caused by the noise of the input voltage signal.

Abstract: A voltage conversion circuit includes: an inductor, a first switch module, N second switch modules connected in series, N third switch modules connected in series, and N?1 flying capacitors. One terminal of the first switch module is separately connected to one terminal of the N second switch modules connected in series and one terminal of the N third switch modules connected in series. The other terminal of the N third switch modules connected in series is connected to a positive electrode of a high-voltage power supply. The other terminal of the first switch module and the other terminal of the N second switch modules connected in series are connected to a negative electrode of the high-voltage power supply. A low-voltage power supply is connected to the two terminals of the first switch module through the inductor.

Abstract: A power supply circuit sets a precharge current flowing through a first load device and a precharge current flowing through a second load device during charging to a first allowable current or less, thereafter sets the precharge current flowing through the first load device to the first allowable current or less, sets the precharge current flowing through the second load device to the second allowable current or less, and sets a maximum value of the precharge current flowing through the second load device to be larger than the first allowable current.

Abstract: A recreational vehicle control apparatus and a recreational vehicle are provided. The recreational vehicle control apparatus includes a first controlled switch configured to generate a first output signal in response to receiving a first control signal, and switch a polarity of the first output signal based on a status of the first control signal. A second controlled switch is configured to generate a second output signal in response to receiving the first control signal. The second controlled switch outputs the second output signal to a first controlled end of a controlled object group. A third controlled switch is configured to generate a third output signal in response to receiving the second control signal and the first output signal transmitted by the first controlled switch. The third controlled switch outputs the third output signal to a second controlled end of the controlled object group. The present application may save wires and equipment with high integration level and small space occupation.

Abstract: This application provides example circuit modules and example electronic devices comprising the circuit module. One example circuit module includes a power input terminal, a power output terminal, a first switching transistor, a second switching transistor, a comparison unit, a boost unit, an energy storage unit, and a direct current conversion unit, where the first switching transistor is turned on and the second switching transistor is cut off when a source voltage input by the power input terminal to the comparison unit is greater than the preset threshold, or the first switching transistor is cut off and the second switching transistor is turned on when a source voltage input by the power input terminal to the comparison unit is less than or equal to the preset threshold.

Abstract: An outdoor device reset system includes a voltage regulation apparatus coupled to a power supply apparatus and an outdoor device coupled to the voltage regulation apparatus. The voltage regulation apparatus is configured to regulate a working voltage input to the outdoor device based on a feedback signal, a supply voltage from the power supply apparatus for the voltage regulation apparatus, and a reference voltage of the voltage regulation apparatus. The outdoor device is configured to determine a change amount of the working voltage, and perform a reset operation when the change amount is within a preset range.

Abstract: A driver circuit drives an output terminal with an input/output voltage using an NMOS transistor and a PMOS transistor. A pre-driver for the NMOS transistor supplied with a drive voltage and receives a data signal referenced to the drive voltage. A pre-driver for the PMOS transistor has a positive supply input connected to the positive supply rail, a negative supply input receiving a second drive voltage equal to the supply voltage minus the drive voltage. A level shifter circuit, shifts the data signal to be referenced between the supply voltage and the second drive voltage. A charge pump circuit for providing second drive voltage, the charge pump circuit driven with a variable switching frequency proportional to a current of the PMOS transistor.

Abstract: The disclosure provides an electronic device. The electronic includes an internal battery, a first converter, a processor and a control circuit. The first converter is used to convert electrical power provided by the internal battery or provided by an external power source into a first power signal. The processor operates in an “ON-state” or switches to an “OFF-state”. The control circuit is used to control the first converter, so that the first converter selectively provides the first power signal to the processor.

Abstract: Embodiments of this application disclose a power supply method, a control method, a power source, and a detection apparatus, to improve power supply efficiency of a power supply system. The method in the embodiments of this application includes: converting a voltage input into a power source into a first voltage, and supplying power to an energy-consuming component based on the first voltage; obtaining status information obtained after the energy-consuming component is powered on, where the status information includes identification information of the energy-consuming component or current working status information of the energy-consuming component; determining a second voltage based on the status information; and converting the voltage input into the power source into the second voltage, and supplying power to the energy-consuming component based on the second voltage.

Abstract: A reference signal generator circuit can be configured to provide a temperature-compensated voltage reference signal at an output node. The reference signal generator can include a diode-connected first FET device coupled between a supply node and the output node, and a flipped-gate transistor coupled between the output node and a reference node. The reference signal generator can include a bias current source configured to provide a bias current to the output node to adjust a current density in the flipped-gate transistor relative to a current density in the first transistor.

Abstract: An electric circuit includes a first power-supply line, a second power-supply line, a ground line, a first circuit, a second circuit, an RC series circuit, a capacitor, and a noise filter. The first circuit is configured to be electrically connected to the first power-supply line via a first power-supply terminal and electrically connected to the ground line via a first ground terminal. The second circuit is configured to be electrically connected to the second power-supply line via a second power-supply terminal and electrically connected to the ground line via a second ground terminal. The RC series circuit is disposed between the first power-supply terminal and the first ground terminal. The capacitor is disposed between the second power-supply terminal and the second ground terminal. The noise filter is disposed between the first power-supply line and the second power-supply line.

Abstract: The invention disclose a power supply circuit. The power supply circuit includes one or a plurality of first-stage voltage conversion circuits and one or a plurality of second-stage voltage conversion circuits; an input end of the first-stage voltage conversion circuit is coupled to a power supply; the first-stage voltage conversion circuit is configured to convert a first voltage received at the input end into a second voltage, where the second voltage is less than the first voltage; an input end of the second-stage voltage conversion circuit is coupled to an output end of the first-stage voltage conversion circuit; the second-stage voltage conversion circuit is configured to convert the second voltage into a third voltage, and supply the third voltage to a load.

Abstract: A system on chip (SOC) includes a power distribution network (PDN) that has two different types of power multiplexers. The first power multiplexer type includes a lower resistance switching logic, and the second type includes a higher resistance switching logic as well as digital logic to provide an enable signal to the first type of power multiplexer. A given first-type power multiplexer may have multiple power multiplexers of the second type in a loop, the loop including communication paths for the enable signal and feeding the enable signal back to an enable input of the first-type power multiplexer.

Abstract: The invention relates to a system for combining multiple power sources into a single in-phase AC current and related methods. According to an illustrative embodiment of the present disclosure, multiple out of phase AC power sources are provided, individually converted into DC currents, and combined in parallel to create a single DC current. The single DC current is then converted to an AC current, leaving a single in-phase AC current.