22 results about "Dynamic voltage scaling" patented technology

The invention discloses a computer microcontroller low-power-consumption control method based on an RISC-V framework, and relates to the field of microcontrollers. According to the computer microcontroller low-power-consumption control method based on the RISC-V architecture, a core state cycle monitoring module, a sleep duration prediction unit, a dynamic voltage regulation unit, a multi-stage threshold cycle judgment module, a wake-up interference filtering unit and a closed-loop execution regulation module are configured. According to the computer microcontroller low-power-consumption control method based on the RISC-V architecture, a sleep duration prediction unit calculates a predicted sleep duration based on historical task data, a dynamic voltage regulation unit adaptively matches a core sleep voltage according to the predicted duration, hierarchical verification is performed on a core operation parameter through a multi-level threshold cycle judgment module, and the core operation parameter is subjected to low-power-consumption control based on the RISC-V architecture. And the wake-up interference filtering unit performs progressive filtering on an external wake-up signal, and controls the core to sleep / wake up in combination with the closed-loop execution adjusting module.

Circuits are disclosed for controlling voltage regulators. In general, one aspect disclosed features an electric circuit comprising: a digital ramp generator configured to generate a digital voltage ramp; a digital low-pass filter having an input electrically coupled to an output of the digital ramp generator and configured to low-pass filter the digital voltage ramp; a digital-to-analog converter having an input electrically coupled to an output of the digital low-pass filter and configured to generate an analog control signal based on the filtered digital voltage ramp; and a voltage regulator having an input electrically coupled to an output of the digital-to-analog converter and configured to regulate an output voltage based on the analog control signal and an input voltage of the voltage regulator.

Described embodiments include an electronic circuit having input and output voltage terminals and an amplifier, a switch coupled between the amplifier output and a voltage-to-current converter input. A first comparator has inputs coupled to the input voltage terminal and a current sense terminal. A gate drive circuit has an input coupled to the first comparator output, and outputs controlling a high-side transistor and a low-side transistor. A current sense circuit input is coupled to the current sense terminal. A current regulation circuit has an input coupled to the current sense circuit and an output coupled to the V2I circuit. A second comparator has an input coupled to the amplifier input. A discharge circuit has an input coupled to the output of the second comparator, and an output coupled to the output voltage terminal. A feedforward circuit has an output coupled to the first comparator.

The application discloses a power management method, device and equipment and a readable storage medium, and relates to the technical field of power management. The method comprises the following steps: obtaining a mode switching instruction and determining a target working mode; obtaining corresponding power control parameters according to the target working mode, wherein the power control parameters at least include the on-off states of multiple power switches and target voltages of multiple voltage domains; performing data protection processing on a target function module before executing mode switching; independently controlling each power switch based on the power control parameters and dynamically adjusting each voltage domain; controlling a clock module to adjust the system clock frequency, so that the chip enters the target working mode; and monitoring a wake-up signal in the target working mode, and executing mode recovery when the wake-up signal is detected. The method effectively improves the adaptation capability and use performance of the system in multiple scenarios.

The application provides a bipolar compensation type dynamic voltage regulator, method, device and storage medium, which comprises a double-chopper circuit and LC filter and transformer. In the first circuit: T1 / T2 emitter is connected in common, T2 / T3 collector is connected in common, and T3 / T4 emitter is connected in common; the second circuit is symmetrically connected. The filter inductor is connected to the T2 / T3 collector node, the capacitor is connected to the T6 / T7 collector node, and the free ends of the inductor and the capacitor are interconnected. The primary side of the transformer is connected to the LC connection point through the same end, and the non-same end is connected to the free end of the capacitor. Through the cooperative control of the double circuits: the non-working circuit is closed, the complementary conduction of the circuits is activated to generate a reverse compensation voltage; during the dead time period, the freewheeling path is constructed by using the conduction tube and the anti-parallel diode to eliminate overvoltage; the duty cycle is dynamically adjusted in real time according to the input-output voltage difference to realize accurate compensation.

1. Name of the designed product: Dynamic voltage restorer (450 kVA). 2. Use of the designed product: Used for dynamic voltage regulation, to ensure reliable power supply for loads. 3. Design points of the designed product: In shape. 4. Picture or photo best indicating the design points: Fig. 1.

The application discloses a dynamic voltage regulation and power balance control method and system in an integrated circuit, and particularly relates to the technical field of integrated circuit power management, which measures the timing margin, load change slope and voltage undershoot amplitude of a key path in real time, calculates a timing robustness quantitative value, calculates a leading compensation pulse and sends the same before load jumping, dynamically switches PID coefficients to suppress nonlinear oscillation, stretches a clock or freezes a pipeline when the timing robustness quantitative value is lower than a first threshold value, inserts idle instructions to cut off positive feedback when the product of a current change rate and a temperature gradient is higher than a second threshold value, decouples and isolates a calculation core from peripheral logic, and calibrates the first and second threshold values, so that the application suppresses voltage transients through the leading compensation pulse, reduces timing violation risks, blocks metastable state propagation and positive feedback cycles through clock stretching or pipeline freezing and forced idle instructions, and improves adaptive capacity through voltage domain decoupling and isolation and stable state feedback calibration of threshold values.

Implementations are disclosed for a power switching regulator defined to be used for power harvesting but is instead configured to include an additional power rail. A switching regulator includes a first contact defined as a first power input to the switching regulator (with the first contact coupled to a first power source), a second contact defined as a second power input to the switching regulator (with the second contact defined to be coupled to a harvester), and a third contact whose output is defined as a storage voltage for harvesting. Instead of the third contact being used for outputting a storage voltage for harvesting, the third contact is coupled to a voltage (VSTORE) power rail for providing power (that may be configurable) to one or more electronic components of the electronic device (such as a CPU to perform dynamic voltage scaling or by a power amplifier sensitive to power efficiency).

A storage device includes a power supply device including an auxiliary power supply device providing auxiliary power, configured to generate a deterioration monitoring signal indicating a degree of deterioration of the auxiliary power supply device, and configured to generate an output voltage based on external power or the auxiliary power; and a main system configured to operate based on the output voltage and perform a dump operation for backing up data in a sudden power off (SPO) situation, wherein the main system compares the degree of deterioration of the auxiliary power supply device with a preset reference value in response to the deterioration monitoring signal, and generates a voltage scaling command for controlling the power supply device to convert an average voltage level of the output voltage to a dynamic voltage scaling (DVS) level based on a result of the comparison.

The invention provides a bipolar compensation type dynamic voltage regulator, a method, equipment and a storage medium. The regulator comprises a double chopping loop, an LC filter and a transformer. In the first loop, emitter electrodes of T1 and T2 are connected together, collector electrodes of T2 and T3 are connected together, and emitter electrodes of T3 and T4 are connected together. And the second loops are symmetrically connected. A filter inductor is connected with a T2 / T3 collector node, a capacitor is connected with a T6 / T7 collector node, and free ends of the inductor and the capacitor are interconnected. The primary-side dotted terminal of the transformer is connected with the LC connection point, and the non-dotted terminal is connected with the free end of the capacitor. Through double-loop cooperative control, a non-working loop is closed, and an activation loop is complementarily conducted to generate a reverse compensation voltage; a freewheeling path is constructed by using a conduction tube and an anti-parallel diode in a dead zone period to eliminate overvoltage; the input-output voltage difference is compared and measured in real time, the duty ratio is dynamically adjusted, and accurate compensation is achieved.

The invention provides a storage and calculation integrated chip voltage regulation method and system based on a hybrid architecture, and a medium. Comprising the following steps: obtaining dynamic voltage regulation parameters by obtaining and processing storage hierarchical type feature data and data read-write demand data of chips, regulating initial configuration voltage, obtaining adaptive voltage, monitoring operation data of each chip of a chip cluster in real time, and processing through a preset global voltage regulation decision model, so as to obtain adaptive voltage; global voltage optimal adjustment strategy data is obtained for voltage adjustment, operation monitoring record data after adjustment is monitored, global voltage adjustment actual effect data is obtained through analysis and processing, and therefore the global voltage adjustment state is determined; according to the invention, the dynamic voltage regulation parameters of different storage layers are obtained through analysis and processing, the corresponding initial configuration voltage is preliminarily adjusted, global analysis is carried out on the chip cluster to determine the global voltage optimal regulation strategy data, and the regulation state is monitored in real time, so that voltage adaptation regulation is carried out on the storage and calculation integrated chip based on the hybrid architecture.

The utility model discloses an adjustable output voltage and current wireless intelligent light drive power supply device relates to power electronics technical field, including wireless communication module, dynamic voltage regulation module, smart home access module and main control module, wireless communication module, dynamic voltage regulation module, smart home access module all with main control module electricity is connected, and dynamic voltage regulation module is connected with wireless communication module, smart home access module and main control module electricity, in the utility model, dynamic voltage regulation module can directly external power supply, and the reference voltage of feedback is controlled by adjustable potentiometer, and the size of feedback voltage is controlled, and the feedback threshold of adjustment control unit is adjusted, realizes the current output of power supply circuit, and the power supply of different current size is provided to load, realizes dynamic voltage regulation function, and the built -in general communication interface of wireless communication module ensures the plug and play compatibility of different wireless chips, and the user can freely replace module to adapt to different smart home platform.

A power supply circuit includes a clock buffer, a charge pump, a control circuit and a voltage clamp circuit. The clock buffer is configured to generate an adjusted clock signal according to a clock signal and level control signal. The clock signal includes a preset level. The charge pump is coupled to the clock buffer to generate an output signal according to adjusted clock signal and a system voltage. The control circuit is coupled to the charge pump to generate a charge pump control signal according to the output signal. The voltage clamp circuit is coupled between the control circuit and clock buffer to receive the charge pump control signal and a system voltage. The voltage clamp circuit outputs a level control signal according to the charge pump control signal. In response to a level of the level control signal, the adjusted clock signal includes an adjusted level.

This invention discloses a power supply system and an artificial intelligence system based on an artificial intelligence processor. In the power supply system, multiple DC-DC converters are connected in parallel on a first power supply rail, and the outputs of these DC-DC converters are all connected to the output of the power supply system. Multiple fast voltage regulators are connected in parallel on a second power supply rail, and their outputs are also connected to the output of the power supply system. The output of the power supply system is connected to the power input of the artificial intelligence processor. A control module is electrically connected to both the DC-DC converter module and the fast voltage regulator module. The control module determines the status information of the artificial intelligence processor and switches between supplying power to the artificial intelligence processor via either the DC-DC converter module or the fast voltage regulator module based on this status information. Thus, through the coordinated control of the fast voltage regulator module and the DC-DC converter module, rapid dynamic voltage regulation can be achieved to adapt to the rapid changes in the workload of the artificial intelligence processor.

The invention discloses a power supply control system and method based on a mega core processor. The system comprises a processor, a voltage regulation module and a power supply module, the processor is internally provided with an SVID controller conforming to an IMVP7 / VR12 protocol and is used for sending a dynamic voltage regulation instruction to the voltage regulation module through an SVID bus according to the operation power consumption state of the processor; the voltage regulation module is connected with the SVID controller through an SVID bus and is used for receiving the dynamic voltage regulation instruction and generating a corresponding pulse width modulation signal according to the dynamic voltage regulation instruction; and the power supply module is connected with the output end of the pulse width modulation signal and is used for responding to the pulse width modulation signal and providing a dynamically adjustable core working voltage for the processor. Cooperative control between the processor and the power management chip based on the standard SVID protocol is achieved, and the problem of power supply compatibility caused by protocol mismatching in the localization replacement process is solved.

Software defined cooling structures are described. A method comprises decoding sensor data from a sensor of an electronic component of an electronic device, generating a control directive to move a software defined cooling (SDC) structure of a cooling system from a first position to a second position based on the sensor data, moving the SDC structure from the first position to the second position in response to the control directive, the second position to comprise a position within a defined distance to the electronic component of the electronic device, and performing thermal management of the electronic component using the SDC structure. Other embodiments are described and claimed.

A power management integrated circuit (PMIC) includes a dynamic voltage scaling (DVS) block configured to generate an output voltage signal, and a DVS monitoring block including a DVS monitoring code generator, and a safety monitoring unit configured to receive a DVS code and detect an error in the DVS code. The DVS block is configured to generate the output voltage signal based on the DVS code obtained by reflecting a DVS trim code in the DVS regulation code, and the DVS trim code is determined by a characteristic of a first digital-to-analog converter (DAC) included in the DVS block. The DVS monitoring code generator is configured to generate the DVS monitoring code obtained by reflecting a DVS monitoring trim code in the DVS regulation code, and the DVS monitoring trim code is determined by a characteristic of a second DAC included in the DVS monitoring block.

A system-on-chip includes a low-dropout (LDO) regulator configured to regulate a voltage of input power and to supply operation power to a core through an output mode, the core configured to receive the operation power to perform an operation, and a power supply circuit configured to supply the input power to the LDO regulator. The power supply circuit may receive first power and second power having different voltage characteristics, and may supply third power, which is power having a higher voltage of the first power and the second power, and the second power to the LDO regulator as the input power.

The invention relates to the technical field of three-level power guarantee, in particular to an aerospace equipment power supply stability guarantee system applying three-level power electronic topology, which comprises a three-level topology optimization unit, a modulation algorithm strategy unit and a dynamic voltage regulation unit, according to the three-level topology optimization unit, an auxiliary switch network and a fuzzy control switch sequence controller are additionally arranged in a three-level T-type midpoint clamping topology framework, the power supply stability is enhanced, the modulation algorithm strategy unit adopts a hybrid modulation strategy, a space vector modulation module and a carrier phase shift pulse width modulation module are integrated, working modes are intelligently switched, and the power supply stability is improved. And meanwhile, the adaptive dead-zone compensation technology is utilized to reduce voltage distortion and harmonic waves, the dynamic voltage regulation unit is based on model prediction control, a three-level converter model is established, an objective function is optimized to obtain the control time of a switching tube, and a multi-mode voltage regulation strategy is adopted to cope with different working conditions, so that the stability of power supply of aerospace equipment is improved.

The present invention relates to the technical field of CPLD management, and provides a CPLD configuration information power-on loading method and system based on dynamic voltage regulation. The method comprises: step S1, a CPU generating offset sub-addresses of byte data in configuration information on the basis of an offset address; step S2, sending a protection identifier, a first piece of byte data, and a corresponding offset sub-address to an I2C slave controller so as to respectively write into a protection register, a data register, and an address register; step S3, after verifying the protection identifier written into the protection register, a logic controller controlling an I2C master controller to read the byte data and the offset sub-address from the corresponding registers, so as to write the byte data into an EEPROM on the basis of the offset sub-address, and performing writing of the next byte data until all writing is completed; and step S4, when a CPLD is powered on, the I2C master controller automatically loading the byte data stored in the EEPROM into a configuration register. The present invention has the following advantages: the convenience, flexibility, security, and reliability of CPLD configuration information loading are significantly improved.

A power management integrated circuit and an operating method thereof are provided. The power management integrated circuit (PMIC) includes a dynamic voltage scaling (DVS) block configured to generate an output voltage signal, and a DVS monitoring block including a DVS monitoring code generator and a safety monitoring unit configured to receive a DVS code and detect an error in the DVS code. The DVS block is configured to generate the output voltage signal based on a DVS code obtained by reflecting a DVS trim code in a DVS regulation code, and the DVS trim code is determined by characteristics of a first digital-to-analog converter (DAC) included in the DVS block. The DVS monitoring code generator is configured to generate a DVS monitoring code obtained by reflecting a DVS monitoring trim code in the DVS regulation code, and the DVS monitoring trim code is determined by characteristics of a second DAC included in the DVS monitoring block.

The application belongs to the chip design technical field, and discloses a dynamic voltage regulation system, method and chip for realizing low power consumption in an MCU. The system comprises a power supply module and a dynamic voltage regulation module. The dynamic voltage regulation module comprises a first register unit, a virtual critical path unit, a second register unit and a voltage regulation unit connected in series. The power supply module is connected with an external power supply, is used for converting the external power supply into a power supply voltage for the MCU, and provides power for the first register unit, the virtual critical path unit, the second register unit and the voltage regulation unit. The dynamic voltage regulation module is used for generating a voltage regulation instruction and transmitting the voltage regulation instruction to the power supply module, and the power supply module performs voltage regulation according to the voltage regulation instruction. The output voltage of the power supply module is dynamically changed, and the power consumption of the digital circuit part is effectively regulated according to the chip running environment.