Abstract: A DC-DC converter includes a switch element connected to an input end, a coupling capacitor connected to the switch element at a first node, a first inductor connected to the coupling capacitor at a second node and connected to an output end at a third node, a control circuit that controls the switch element, a second inductor connected to the first node and a ground, a first diode connected to the second node and the ground, a smoothing capacitor connected to the third node and the ground, a comparator, a second diode connected to the second node and the comparator to supply a power voltage powering the comparator, and an output capacitor connected to the second diode and the ground. The comparator compares a voltage at the output end with a reference voltage so as to output a comparison result to the control circuit. This DC-DC converter operates stably.

Abstract: A mode-transition architecture for USB controllers is described herein. In an example embodiment, an integrated circuit (IC) controller includes a controller coupled to a slope compensation circuit, the controller to detect a transition of a buck-boost converter from a first mode having a first duty cycle to a second mode having a second duty cycle that is less or more than the first duty cycle. The controller controls the slope compensation circuit to nullify an error in an output caused by the transition. The controller can cause the slope compensation circuit to apply a charge stored in a capacitor during a first cycle to start a second cycle with a higher voltage than the first cycle.

Abstract: An adjustment circuit is connected between a power generation circuit that converts environmental energy into electric power and a power conversion circuit that converts the electric power generated by the power generation circuit into a desired form. The adjustment circuit includes a first circuit unit and a second circuit unit. The first circuit unit is configured to have an input connected to the power generation circuit and an output connected to the power conversion circuit. The second circuit unit is configured to have a connection point connected to the first circuit unit, a grounding point connected to a grounding electric potential, and a capacitor connected between the connection point and the grounding point. A magnitude of output resistance included in the second circuit unit is smaller than a magnitude of output resistance included in the power generation circuit.

Abstract: At least one power line is connected to a battery mounted at a vehicle. Plural ECUs are each connected to the at least one power line. A processor switches one ECU at a time of the plural ECUs from a second state to a first state by sending state switching signals to the plural ECUs. A power line to which plural ECUs are connected is a target power line. On the basis of current values of the target power line measured by a current measurement section when these plural ECUs are switched to the first state one at a time, the processor determines whether or not each ECU is in an abnormal condition.

Abstract: A power conversion circuit includes a first terminal, a second terminal, a first switching conversion unit, a second switching conversion unit, a flying capacitor and a magnetic element. The first switching conversion unit includes a first switch and a third switch. The second switching conversion unit includes a second switch and a fourth switch. The magnetic element includes two first windings and a second winding. A first one of the two first windings is serially connected between the flying capacitor and the second terminal. A second one of the two first windings is serially connected between the second switch and the second terminal. The second winding is serially connected with the flying capacitor and the first one of the two first windings. A turn ratio between the second winding, the first one of the two first windings and the second one of the two first windings is N:1:1.

Abstract: A power converter includes a first conversion circuit coupled to a first port, a second conversion circuit coupled to a second port, and a driver. The first conversion circuit has a first flying-capacitor coupled to a first network of switches, and two inductors both coupled to the second conversion circuit. The second conversion circuit has a second flying-capacitor coupled to a second network of switches. The driver drives the first and the second network of switches with a sequence of states having at least one of a first phase and a second phase. When the power converter operates as a step-down converter, the first phase charges the second flying-capacitor and the second phase discharges the second flying-capacitor. When the power converter operates as a step-up converter, the first phase discharges the second flying-capacitor and the second phase charges the second flying-capacitor.

Abstract: The invention relates to a high-voltage device (14) for a high-voltage application. The high-voltage dev ice comprises an electrically insulating housing (15), having a housing cover (16) that covers a housing interior (18), and covering means (10) for at least one electrical terminal (34) or electrical region to be protected from touching, which covering means are arranged in the housing interior (18). The covering means (10) have a protective cover (26). The protective cover covers the electrical terminal (34) or the electrical region, can be locked in a closed position by means of at least one locking element (30) and can be transferred into an open position by means of an opening operation.

Abstract: A system includes a first device, a second device, and a power control block. The first device has a first power converter and a first resonator which has a first resonant capacitor and a first coil. The second device has a second power converter and a second resonator which has a second resonant capacitor and a second coil. The second power converter is coupled to a ratio-controllable power converter, and the first coil and the second coil are magnetically coupled. The power control block is configured to adjust the system frequency, the second power converter output voltage and the current in the first coil in coordination.

Abstract: Optical touch sensors may be adversely affected by noise, such as modulated sunlight incident on the touch sensor. An analog optical detector is provided that includes a frequency dependent emitter feedback circuitry that does not substantially reduce the gain for a first modulation frequency range of the photodiode current and provides, for a second modulation frequency range of the photodiode current, a current feedback to reduce the gain of the first transistor. The second modulation frequency may include one or more expected noise modulation frequencies. A touch sensor device including a plurality of such optical detectors is also provided. Also provided is a touch sensor device comprising sampling disable circuitry operable to disable sampling of the output from the optical detectors for a duration of time.

Abstract: The present disclose relates to a multiphase power converter and control circuit and control method thereof. The multiphase power converter comprises a plurality of power stage circuits, and each power stage circuit corresponds to one control circuit, each of the control circuit comprises a first port and a second port, wherein the first ports are connected to each other to receive centralized control signal, and the second port is configured to identify a phase sequence of each phase. The control circuit adjusts a working state of the current power stage circuit by gating corresponding pulse in the centralized control signal according to the centralized control signal and a current phase sequence, thereby realizing an interleaved control of the multiphase power converter. The control method realizes a uniform interleaving of control signals of each phase efficiently and simply, and further improves a power density of the multiphase power converter.

Abstract: Methods and apparatuses for regulating a power converter are described. A device comprising a control circuit and a logic circuit can be integrated in a controller coupled to the power converter. The control circuit can generate a constant off-time signal based on a ramp signal and an error signal. The logic circuit can generate a control signal based on the constant off-time signal and a constant on-time signal. The logic circuit can output the control signal to the power converter. In response to an on-time period of the constant off-time signal being less than an on-time period of the constant on-time signal, the control signal can vary according to the constant on-time signal. In response to the on-time period of the constant off-time signal being greater than the on-time period of the constant on-time signal, the control signal can vary according to the constant off-time signal.

Abstract: In an embodiment, a voltage converter includes: a first transistor coupled between an internal node and a first node receiving a supply voltage; a second transistor coupled between the internal node and a second node receiving a reference voltage; an inductance coupled between the internal node and an output node; a first circuit controlling the first and second transistors; and a second circuit configured to detect, when the first and second transistors are in the off state, when the voltage of the internal node is equal to the voltage of the output node, to condition a switching to the on state of the first transistor.

Abstract: A pre-chargeable DCDC conversion circuit includes a high-voltage side conversion module connected to a primary winding of a main transformer T1, a low-voltage side conversion module connected to a secondary winding of the main transformer, and a controller used for controlling the high-voltage side conversion module and the low-voltage side conversion module. A pre-charging module is connected in series in a direct-current bus of the low-voltage side conversion module, and the pre-charging module is used for pre-charging a capacitor of electric equipment connected to a direct-current bus of the high-voltage side conversion module when the complete machine is powered on. The pre-charging module and a forward DCDC share most of power devices and power loops, and only a small number of devices are added, such that the volume and cost are reduced compared with an independent pre-charging branch, and the control mode is simple.

Abstract: A power circuit includes a switch circuit, an auxiliary load circuit coupled to an output terminal, a switching control circuit to operate the switch circuit responsive to an error signal, a regulator circuit having a sense resistor, a comparator to provide the error signal, and a DAC to control a sense current of the sense resistor. A DAC control circuit provides a DAC input signal having a controlled ramp rate responsive to a decreasing setpoint signal, a load control circuit selectively enables the auxiliary load circuit responsive to the decreasing setpoint signal and responsive to the error signal to control the power circuit slew rate.

Abstract: A DC-DC converter includes a bridge circuit electrically connected to a DC link capacitor; an inductor and a capacitor electrically connected to the bridge circuit, in which the inductor is connected to a first end of a battery, and the capacitor is connected to the first end and a second end of the battery; a sensor configured to sense a voltage between the bridge circuit and the DC link capacitor; and a controller configured to control switching operations of the bridge circuit so that a power output by the DC-DC converter and supplied to the first end of the battery has a droop curve-shaped power value according to the sensed voltage.

Abstract: A smart cell, comprising: a positive terminal; a negative terminal; a switching circuit which is arranged to select between a first switching state in which an energy storage device is connected between the positive terminal and the negative terminal and a second switching state which bypasses said energy storage device; an inductor provided between the positive terminal and the output of the switching network; and a controller arranged to monitor the voltage across the inductor and arranged to control a duty cycle of the switching circuit based on the magnitudes of voltage changes detected across the inductor. By monitoring and analysing the magnitude of voltage changes across the inductor, the controller determines the states of charge of other series connected smart cells without any communication between cells.

Abstract: A multi-phase hybrid DC-DC converter using a switched-capacitor technique is described. The multi-phase hybrid converter can reduce the volt-seconds on the inductors of the converter, which can allow for a reduction in the size of the inductors. In addition, the multi-phase hybrid converter can utilize inductors as current sources to charge and discharge the flying capacitors, which can reduce the size of the mid capacitor and increase solution density. Because charging and discharging are performed by inductors, the multi-phase hybrid converter can eliminate the capacitor-to-capacitor charge transfer. As such, the multi-phase hybrid converter does not need high capacitance to achieve high efficiency operation, which can further increase solution density.

Abstract: Various embodiments disclose a method and a device. The device includes: an antenna; a switching regulator; a communication chip including an amplifier, a first linear regulator operably connected to the amplifier and the switching regulator and configured to be supplied with a first voltage from the switching regulator, and a second linear regulator operably connected to the amplifier and the switching regulator and configured to be supplied with a second voltage higher than the first voltage from the switching regulator, the communication chip configured to transmit a radio-frequency signal outside of the electronic device through the antenna; and a control circuit. The control circuit is configured to produce an envelope of an input signal input to the amplifier in connection with the radio-frequency signal and to provide the produced envelope to at least one of the first linear regulator or the second linear regulator.

Abstract: An AC-DC power supply receives input AC power and outputs DC power. The converter includes a high power factor bridge rectifier, a barrier circuit with resistor(s) and capacitor(s), and a step-down switching DC-DC converter to step-down a first DC voltage to a second, lower, DC voltage for output. Additionally, fault-protection is provided by redundancy in diodes on diode legs of a bridge rectifier and capacitor(s) of a filter circuit thereof, and a fault-protection circuit to sense current from a step-down switching DC-DC converter, a first voltage from the step-down switching DC-DC converter, and/or a second voltage at an output of the step-down switching DC-DC converter, and open the circuit on a fault.

Abstract: Pulse width modulation (PWM) controllers for hybrid converters are provided herein. In certain embodiments, a PWM controller for a hybrid converter includes a threshold generation circuit for generating a threshold signal based on an output voltage of the hybrid converter, a threshold adjustment circuit for generating an adjusted threshold signal based on sensing a voltage of a flying capacitor of the hybrid converter, and a comparator that generates a comparison signal based on comparing the adjusted threshold signal to an indication of an inductor current of the hybrid converter. The output of the comparator is used for generating PWM control signals used for turning on and off the switches (for instance, power transistors) of the hybrid converter.

Abstract: The present description concerns an electronic device including: a modulator-demodulator circuit; a first integrated circuit implementing a first subscriber identification module; and at least one second integrated circuit intended to implement a second subscriber identification module, wherein a sequencing terminal of the first circuit and a sequencing terminal of the second circuit are connected to a same sequencing terminal of the modulator-demodulator circuit.

Abstract: A voltage generation circuit includes an operation voltage driving circuit configured to drive an operation voltage based on a calibration voltage and a feedback voltage and generate the feedback voltage from the operation voltage. The voltage generation circuit also includes a reference voltage calibration circuit configured to generate the calibration reference voltage, wherein the calibration reference voltage varies based on a set value calculated according to the feedback voltage and a reference voltage.

Abstract: An inductive charging circuit coupled to a winding of a power converter and a supply terminal of a controller of the power converter. The inductive charging circuit comprising an input coupled to the winding, the input coupled to receive a switching voltage generated by the power converter, an inductor coupled to the input to provide an inductor current in response to the switching voltage, a first diode coupled to the inductor to enable the inductor current to flow from the input of the inductive charging circuit to an output of the inductive charging circuit; and the output of the inductive charging circuit coupled to the supply terminal of the controller, the output of the inductive charging circuit configured to provide an operational current responsive to the switching voltage, the controller is configured to control a power switch of the power converter to generate the switching voltage.

Abstract: Certain aspects of the present disclosure generally relate to methods and apparatus for providing overvoltage protection for circuitry coupled to connector ports, such as USB-C ports. One example circuit for overvoltage protection between a connector port and a signal node corresponding to the connector port generally includes a first switch having a first terminal for coupling to the connector port and having a second terminal for coupling to the signal node; a first resistive element coupled in parallel with the first switch; a first transient protection circuit coupled between the signal node and a reference potential node; and a control circuit having an input coupled to the signal node and having a first output coupled to a control input of the first switch.

Abstract: A circuit may be configured detect current in different phases of an N-phase power converter. The circuit may comprise a first set of elements defining at least part of a first current loop associated with a first phase of the power converter, wherein the first set of elements is configured to detect current during the first phase of the power converter. In addition, the circuit may comprise a second set of elements defining at least part of a second current loop associated with a second phase of the power converter, wherein the second set of elements is configured to detect current during the second phase of the power converter when a duty cycle associated with the different phases is greater than 100/N, and wherein the first set of elements is configured to detect current during the second phase of the power converter when the duty cycle is less than 100/N.

Abstract: Pulse width modulation (PWM) controllers for hybrid converters are provided herein. In certain embodiments, a PWM controller for a hybrid converter includes a threshold generation circuit for generating a threshold signal based on an output voltage of the hybrid converter, a threshold adjustment circuit for generating an adjusted threshold signal based on sensing a voltage of a flying capacitor of the hybrid converter, and a comparator that generates a comparison signal based on comparing the adjusted threshold signal to an indication of an inductor current of the hybrid converter. The output of the comparator is used for generating PWM control signals used for turning on and off the switches (for instance, power transistors) of the hybrid converter.

Abstract: A voltage regulator includes a main driving stage circuit, a first pre-driving circuit, a plurality of auxiliary driving stage circuits, a second pre-driving circuit, and a comparison and decoding circuit. The main driving stage circuit provides a main driving current of an output voltage according to a first control signal. Each of the auxiliary driving stage circuits determines whether to provide an auxiliary driving current of the output voltage according to a second control signal. The second pre-driving circuit generates the second control signal according to an enable signal. The comparison and decoding circuit generates a simulated driving current and generates a load current according to a reference current and a counting code, compares the simulated driving current with the load current to generate a comparison result, and generates the enable signal by decoding the comparison result. The counting code is generated according to the comparison result.

Abstract: This application relates to method and apparatus for driving acoustic transducers, such as speakers or haptic transducers. A transducer driver circuit (200) has a hysteretic comparator (201) configured to compare, with hysteresis, an input signal (SIN) received at a first comparator input to a feedback signal (SFB) received at a second comparator input. Based on the comparison the hysteretic comparator (201) generates a pulse-width modulation (PWM) signal (SPWM) at a comparator output (206). An inductor (203) is coupled between the comparator output and an output node (204). In use a resistive component (208), which may comprise the transducer (301) is coupled to output node (204). The inductor (203) and resistive component (208) provide filtering to the PWM signal (SPWM). A feedback path extends between the output node (204) and the second comparator input to provide the feedback signal (SFB).

Abstract: An output terminal of one phase switched capacitor converter is connected to a first output terminal, and an output terminal of the other phase switched capacitor converter is connected to the first output terminal via a second switch, such that the power conversion structure can operate in a mode of two phase switched-capacitor converters in parallel, and a current formed by the operating of only one phase switched capacitor converter flows through the second switch, thus greatly reducing a value of current flowing through the second switch, greatly reducing the on-state loss of the second switch, and improving the efficiency of the power conversion structure, and because the second switch has lower on-state loss and less heat, there is a larger selectivity of the second switch and a reduction of the cost of power conversion structure.

Abstract: Operating DC to DC power converters. At least some of the example embodiments are methods including: driving current through an inductance in a first on cycle of the power converter; comparing, by a comparator, a signal indicative of current through the inductance coupled to a first input of the comparator to a threshold applied to a second input of the comparator, and asserting a comparator output responsive to the signal indicative of current meeting the threshold; sampling a differential voltage across the first and second inputs, the sampling responsive to assertion of a comparator output, and the differential voltage indicative of propagation delay through the comparator; and compensating the comparator in a second on cycle for the compensation delay based on the differential voltage, the second on cycle subsequent to the first on cycle.

Abstract: According to certain aspects, the present embodiments are directed to techniques for providing the ability to monitor one or more operational parameters of a voltage regulator. In embodiments, the voltage regulator is a multiphase voltage regulator having a plurality of power stages corresponding to each respective phase. In these and other embodiments, the operational parameters include one or both of a phase current and a phase temperature. According to certain additional aspects, the present embodiments provide the ability to monitor the respective phase current output and phase temperature of each phase independently. According to further aspects, this ability to monitor the operational parameters is achieved while minimizing circuit complexity.

Abstract: An apparatus includes a current emulator and a controller. The emulator receives a reference output current value representing a measured average amount of output current delivered by the voltage converter to the load for a first portion of a power delivery cycle during which high side switch circuitry and low side switch circuitry in the voltage converter are activated at different times to produce the output current. The power delivery cycle includes a second portion during which the high side switch circuitry and the low side switch circuitry of the voltage converter are deactivated. Via trial and error, the emulator derives an average output current value delivered to the load for the power delivery cycle based on the reference output current value and repeated adjustments to the estimation of the average output current. The controller controls operation of the voltage converter based on the derived average output current value.

Abstract: A switching control circuit that controls switching of a switching device, the switching control circuit includes a frequency modulation circuit that generates an oscillator signal, and modulates a frequency of an oscillator signal with a predetermined frequency and a modulation index of two or more, and a drive circuit that drives the switching device in response to a signal corresponding to the modulated oscillator signal, the predetermined frequency being higher than a frequency indicative of a value that is a quarter of a half width of a bandpass filter used for measuring noise generated when the switching device is driven.

Abstract: A circuit comprising: a first switch having: a first side connected to a first node; and a second side connected to a second capacitor's first side (2C1S); a second switch having: a first side connected to a second capacitor's second side (2C2S); and a second side connected to a first capacitor's first side (1C1S); a third switch having: a first side connected to a first capacitor's second side (1C2S); and a second side connected to a second node (2VN); a fourth switch having: a first side connected to 2C2S; and a second side connected to a third node (3VN); a fifth switch having: a first side connected to 2C1S; and a second side connected to 1C1S; a sixth switch having: a first side connected to 1C2S; and a second side connected to 3VN; a seventh switch having: a first side connected to 1C1S; and a second side connected to 2VN.

Abstract: A semiconductor device includes a MOSFET including a PN junction diode. A unipolar device is connected in parallel to the MOSFET and has two terminals. A first wire connects the PN junction diode to one of the two terminals of the unipolar device. A second wire connects the one of the two terminals of the unipolar device to an output line, so that the output line is connected to the MOSFET and the unipolar device via the first wire and the second wire. In one embodiment the connection of the first wire to the diode is with its anode, and in another the connection is with the cathode.

Abstract: Various embodiments provide a magnetic sensing scheme for a voltage regulator circuit. The voltage regulator circuit may include a first inductor (also referred to as an output inductor) coupled between a drive circuit and an output node. The voltage regulator circuit may further include a second inductor (also referred to as a sense inductor) having a first terminal coupled to the first inductor at a tap point between terminals of the first inductor. The second inductor may provide a sense voltage at a second terminal of the second inductor. A control circuit may control a state of the voltage regulator circuit based on the sense voltage to provide a regulated output voltage at the output node. Other embodiments may be described and claimed.

Abstract: A digital PWM modulator modulates a digital input signal to drive a PWM signal to a PWM DAC susceptible to introducing inter-symbol interference (ISI) in small PWM edge separation presence causing audio THDN degradation. A multi-bit quantizer switches from a first to second mode when the input signal rises above a threshold. The quantizer quantizes the input signal into a quantized output signal, each sample of which has a code selected from respective first and second quantization code sets. The second set, relative to the first set, causes the digital PWM signal to have increased edge separation to reduce the ISI at high input levels. The first set includes small magnitude codes relative to the second set to reduce quantization noise at low input levels. The threshold is sufficiently low to cause the quantized output signal to be dominated by small codes when operating in the first mode.

Abstract: A power supply system comprises: a switched-capacitor converter, a monitor, and a controller. The switched-capacitor converter includes an input node to receive an input voltage and an output voltage to output an output voltage. Switching of multiple switches in the switched-capacitor converter converts the input voltage into the output voltage. As its name suggests, the monitor monitors a magnitude of the output voltage. The controller receives input indicating the magnitude of the output voltage. Depending on the magnitude of the output voltage, the controller controls states of the multiple switches during startup of the switched-capacitor converter.

Abstract: The present disclosure provides methods and circuits of multi-output hybrid voltage regulators that generate multiple lower level DC voltages lower than the magnitude of an input voltage provided to an input node of the regulator. The disclosed methods and circuits can be applied to today's Large conversion ratio DC-DC converters that allow them to support same power conversion functionality for multiple output voltages with one core switched capacitor network sharing passive components and switches with less voltage ratings, and therefore, reduce the implementation space to save cost as well as improve efficiency. Sample applications include, but are not limited to, PoL converters for data centers and telecommunication systems with better efficiency and compactness for higher conversion ratio.

Abstract: A coil component includes: a body including a magnetic material, coil pattern layers disposed in the magnetic material, a core portion surrounded by the coil pattern layers, and an insulating layer disposed in the core portion and between adjacent coil pattern layers among the coil pattern layers, wherein each of the coil pattern layers comprises a spiral-shaped pattern; and an external electrode disposed on the body.

Abstract: Voltage regulator circuits and methods therefor provided. In some embodiments, a voltage regulator circuit comprises: a first switch coupled to a power input; a second switch coupled to the first switch; a switching node between the first switch and the second switch; an inductor coupled between the switching node and an output node; a capacitor coupled between the output node and ground; a driver configured to operate the first and second switches according to a pulse-width-modulated (PWM) signal; a PWM circuit configured to generate the PWM signal based on at least an error signal; and a phase detector configured to generate the error signal based on a phase difference between the PWM signal and a clock reference signal.

Abstract: A regulator includes an error amplification module, a first switch module, an adaptive conduction module, a second switch module and a feedback module. A first voltage difference between the second terminal and the third terminal of the first switch module is adjusted by the first switch module. The adaptive conduction module is used to adjust a second voltage difference between the second terminal and the third terminal of the second switch module. When the load current is less than a preset current threshold, the control voltage signal controls the first switch module to turn on, and the adaptive conduction module controls the second switch module to turn off. When the load current is greater than or equal to the preset current threshold, the control voltage signal controls the first switch module to turn on and controls the second switch module to be turned on through the adaptive conduction module.

Abstract: The technology described in this document can be embodied in an apparatus that includes an amplifier that includes a first Zeta converter connected to a power supply and a load. The amplifier also includes a second Zeta converter connected to the power supply and the load. The second Zeta converter is driven by a complementary duty cycle relative to the first Zeta converter. The amplifier also includes a controller to provide an audio signal to the first Zeta converter and the second Zeta converter for delivery to the load.

Abstract: Disclosed is an interleaved buck-boost converter. The interleaved buck-boost converter includes a master switching stage and a slave switching stage that are controlled by a pulse-width-modulation (PWM) controller.

Abstract: This document discloses a comparator that is configured to control dead-time between two or more switching transistors. In particular, it is disclosed that the comparator is configured to generate a suitable delay between the switching “OFF” of a transistor and the switching “ON” of another transistor so that the amount of shoot through current flowing between these two transistors are greatly minimized.

Abstract: This application provides a flying capacitor charging method and apparatus, applied to a multi-level topology circuit, to provide a flying capacitor charging solution with a small occupation area and strong applicability. The circuit is connected to an input power source by using a first switch, and is connected to an output power source by using a second switch. A first end of a first capacitor in flying capacitors in the circuit is connected to a first electrode of a first semiconductor switch transistor, a second end of the first capacitor in the flying capacitors in the circuit is connected to a second electrode of a second semiconductor switch transistor, and a second electrode of the first semiconductor switch transistor is connected to a first electrode of the second semiconductor switch transistor by using a second capacitor. The second capacitor is an input capacitor, an output capacitor, or another flying capacitor.

Abstract: A controller is disclosed for a voltage regulator module including a power unit and providing an output current, Iout, at an output voltage, Vout, from an input current/voltage and being configured for use in a multi-module voltage regulator having a neighbouring voltage regulator module having a respective output connected in parallel, the controller comprising: a reference voltage source for providing a reference voltage; a current balancing unit, configured to receive a respective output current from the or each neighbouring voltage regulator module and to determine an adjusted reference voltage, from the reference voltage and for balancing the output current with the at least one respective output current; and a control unit configured to use the adjusted reference voltage to control the voltage regulator module, to provide the output current at the output voltage from the input current at the input voltage, based on adaptive voltage positioning regulation.

Abstract: An apparatus includes a control circuit and a voltage regulator circuit coupled to a regulated power supply node. The voltage regulator circuit is configured to generate a power signal on the regulated power supply node using a reference voltage level. The apparatus further includes a control circuit that is configured to determine an operating mode using results of a comparison of a threshold value and a load current being drawn from the regulated power supply node by a load circuit. The control circuit may be further configured to set, in a first operating mode, the reference voltage level independently of the load current, and set, in a second operating mode, the reference voltage level using the load current.

Abstract: A system includes an input voltage node configured to provide an input voltage. The system also includes a load and a switching converter coupled between the input voltage node and the load. The switching converter is configured to provide an output voltage to the load based on the input voltage. The switching converter includes gate driver circuitry and a comparator coupled to the gate driver circuitry. The switching converter also includes a constant ripple injection circuit coupled to the comparator. The constant ripple injection circuit is configured to provide a positive current sense signal and a negative current sense signal to the comparator based on the input voltage and the output voltage.

Abstract: A circuit includes a current path and a negative bootstrap circuitry coupled to the current path. The current path is coupled between a floating voltage and a reference ground, and includes a current generator coupled through a resistor to the floating voltage at a first node of the current generator. The current generator is controlled by a pulse signal. The negative bootstrap circuitry includes a pump capacitor coupled to a second node of the current generator and to the reference ground. The pump capacitor is configured to provide a negative voltage at the second node of the current generator based on the pulse signal.