293 results about "Power Management Unit" patented technology

The invention provides an MCU function security implementation system based on a domain controller, and relates to the technical field of domain controllers, the system realizes dual backup storage and on-site execution of program codes by combining a security MCU without a built-in program memory with at least two redundant plug-in nonvolatile storage units, and the security of the MCU is improved. Consistency verification is carried out on key codes or data in the running process, and system failure caused by single-point storage faults or data tampering is effectively prevented; meanwhile, read-write operation without losing data during power failure is isolated through the independent data storage unit, and resource conflict and interference between program execution and data storage are avoided; the ASIL D-level power management unit supporting two-way fault monitoring is matched, resetting can be triggered in time or the MCU enters a safe state when a power supply is abnormal or an MCU internal fault occurs, and therefore a high-reliability and high-safety domain controller MCU system is constructed on the hardware architecture level, and the capacity of the MCU for meeting the ASIL D function safety level in a plug-in storage scene is improved.

The invention discloses a dormancy awakening method of a vehicle-mounted host system, the vehicle-mounted host system and a vehicle. The method is applied to a vehicle-mounted host system comprising a host and a power management unit, and comprises the following steps: the host sends a first control instruction to the power management unit in response to a sleep request, and controls the host to enter a first low-power-consumption mode so as to maintain an output state of at least one control port in the first low-power-consumption mode; the power management unit responds to the first control instruction, controls the power management unit to enter a second low-power-consumption mode, and maintains power supply to the host in the second low-power-consumption mode; the host responds to the wake-up event, quits the first low-power-consumption mode and sends a second control instruction to the power management unit; and the power management unit responds to the second control instruction, quits the second low-power-consumption mode and recovers to the normal working state. Through cooperative control of the host and the power management unit, the vehicle-mounted host system achieves optimal balance among power consumption, function keeping and awakening speed.

The invention relates to the technical field of integrated circuit power supply, in particular to a modular multi-stage distributed power supply architecture and method for a whole wafer computing system, the architecture comprises a computing wafer, a power supply module, a bearing substrate and an integrated heat dissipation system, the computing wafer is integrated with various computing units with different voltage requirements, and the power supply module is connected with the integrated heat dissipation system. The power supply module is integrated with the computing wafer through a high-density interconnection interface, a multi-stage power supply topology is adopted in the power supply module, the power supply module comprises a first-stage central power management unit, a second-stage distributed voltage regulation unit array, a high-density embedded capacitor array and a global multi-domain power management integrated circuit, and the bearing substrate is used for bearing related parts. The integrated heat dissipation system carries out differential heat dissipation according to different heat dissipation densities. According to the invention, global optimization of power supply efficiency, precision and thermal management can be realized, and the complex power supply problem of the whole wafer system can be effectively solved.

The invention discloses a car coupler state detection and execution control circuit and a car coupler automatic picking and hanging system and method, and relates to the technical field of railway vehicle automation control, and the car coupler state detection and execution control circuit comprises a state detection unit which comprises a plurality of non-contact sensors arranged at different detection positions of a car coupler; the safety execution unit comprises a 2oo2 interlocking structure formed by a first relay and a second relay which are connected in series, a through-type Hall current sensor arranged on a main loop between the first relay and the second relay, and a third relay for controlling the extension and retraction directions of an electric push rod; the power supply management unit comprises a 24VDC power supply input terminal, a fuse, a reverse connection protection diode and a surge suppression TVS (Transient Voltage Suppressor) tube; wherein the output end of the state detection unit is connected to the input port of the controller, and the output port of the controller is connected to the control end of the safety execution unit. The safety of the system is improved through a hardware-level redundant architecture, and the reliability of coupler state detection is improved through multi-sensor fusion.

Systems and methods are provided for analog hardware realization of neural networks. The method incudes obtaining a neural network topology and weights of a trained neural network. The method also includes transforming the neural network topology into an equivalent analog network of analog components. The method also includes computing a weight matrix for the equivalent analog network based on the weights of the trained neural network. Each element of the weight matrix represents a respective connection between analog components of the equivalent analog network. The method also includes generating a schematic model for implementing the equivalent analog network based on the weight matrix, including selecting component parameter values for the analog components.

Photovoltaic electric control shutter hollow glass externally connected with a control box comprises a window body, a shutter blind, an electric driving device, a photovoltaic assembly and a receiver, the shutter blind is arranged in the window body, the electric driving device is arranged in an upper frame of the window body and used for driving the shutter blind to complete lifting and overturning, and the electric driving device is electrically connected with the wireless receiver; the receiver comprises a bottom box, a box cover and a main control circuit board, the main control circuit board is provided with a microprocessor, a power management unit, a photovoltaic charging management unit, a motor driving unit, a wireless signal receiving and processing unit, a key unit and an indicator light unit, and the photovoltaic charging management unit is electrically connected with the photovoltaic module; the wireless receiving device is installed in the upper frame of the hollow glass, the control key box which is externally connected and installed in a lower mode is adopted, the appearance of the hollow shutter glass can be neat, the key control box can be disassembled and assembled according to needs to be debugged and operated, the set height of the control key box better conforms to the using habit of a user, and operation is more convenient.

An information handling system may include a processor, a data storage device, a power management unit, a thermo-haptic mouse, including an array of thermoelectric generators of a thermo-haptic module to selectively heat or cool a portion of the thermo-haptic mouse to be felt by a user of the thermo-haptic mouse, and a piezoelectric actuator of the thermo-haptic module to selectively apply a vibration to the portions of the thermo-haptic mouse to be felt by the user of the thermo-haptic mouse, and the processor executing code of a mouse training machine learning system to: receive, as training input, captured images during the execution of a gaming application and provide, as output, image recognition dataset descriptive of recognized game action event environmental data during execution of the gaming application, the image recognition dataset to be used by the processor executing a thermo-haptic feedback model evaluation system to provide thermo-haptic signals to the array of thermoelectric generators and the piezoelectric actuator to provide thermo-haptic feedback commensurate with the game action event environment during game play.

Systems and methods for utilizing a small form-factor, wirelessly powered transceiver are disclosed. In one embodiment, a wireless powered transceiver includes a receive antenna configured to receive a receive signal, a transmit antenna configured to transmit a transmit signal, a power harvesting system including a rectifier circuit configured convert radio frequency energy from the receive signal into DC (direct current) voltage, and a power management unit (PMU) configured to set the operating mode and biasing condition of the receive and transmit circuitry blocks and provide DC voltage from the receive circuitry block to the transmit circuitry block to maintain a minimum voltage, a receiver circuitry block configured to provide energy from the receive signal to the power harvesting system, and a transmitter circuitry block including a data modulator circuit, the data modulator circuit configured to generate the transmit signal using DC voltage received from the power management unit.

This invention relates to the fields of IoT sensing, smart wearable devices, and home safety monitoring, providing a fall detection and intelligent alarm device for elderly people living alone. The device includes a wearable main module, a microcontroller unit, a multi-axis attitude sensing unit, a dual-mode wireless communication unit, a local audible and visual alarm unit, a manual emergency help button, a power management unit, and an offline storage unit. Each functional unit is electrically connected to the microcontroller unit. The device is suitable for rural areas with weak network conditions and features fall detection, emergency help, tiered alarm linkage, and autonomous operation during network and power outages, supporting zero-operation use. It achieves accurate fall recognition, seamless zero-operation use, reliable alarm information transmission, multi-level linkage for rapid rescue, and autonomous operation during network and power outages. It is highly compatible with the usage habits of elderly people living alone and meets the needs of rural areas with weak network conditions and unstable power supply. It can also be integrated into a comprehensive management system for large-scale deployment.

The invention belongs to the technical field of thermal management and performance regulation and control of a computer hardware system, and particularly discloses a temperature and performance coordinated regulation and control method of an MODT mainboard central processing unit. The entropy production rate of the system is calculated in real time in combination with a thermodynamic entropy production evaluation mechanism, and pre-cooling or advanced frequency reduction pulse type regulation and control are triggered when entropy production exceeds the threshold; meanwhile, a biological rhythm simulation mechanism is introduced, high-frequency and low-frequency alternating periodic oscillation control is carried out on the frequency of the processor in a millisecond-level window, the two mechanisms cooperatively act on the power management unit, and microsecond-level voltage regulation and heat dissipation driving linkage is achieved. According to the technical scheme, on the premise that the hardware cost is not increased, the energy efficiency performance, the transient heat dissipation capacity and the long-term operation reliability of the system under the high dynamic load are improved.

The invention discloses a mobile robot which comprises a working communication unit, an idle communication unit, a power management unit, a robot control server, a robot controller and a motor assembly. The output end of the idle communication unit and the power input end are connected with the power management unit. The power input end of the working communication unit is connected with the power management unit, and the wired data end is connected with the robot controller. And the power management unit is used for quitting the low-power-consumption mode through the trigger signal of the idle communication unit and enabling the whole robot to enter a normal working mode. And the robot control server is in wireless communication connection with the working communication unit. The robot controller is connected with the wired data end of the working communication unit and the power management unit. The motor assembly is connected with the power management unit and the robot controller. The working communication unit is used for high-speed wireless communication during normal working, the idle communication unit is used for low-speed wireless communication during idle working, and the function of a low-power-consumption wireless switch is achieved.

A circuit includes a voltage conversion unit from a power management unit library. The voltage conversion unit comprises a high-voltage domain subunit and a low-voltage domain subunit, wherein multiple high-voltage conversion modules in the high-voltage domain subunit and multiple low-voltage conversion modules in the low-voltage domain subunit are alternately connected to form a ring oscillator. The circuit includes a first control signal generation unit, a first selection output unit, a second control signal generation unit, and a second selection output unit. This invention enables efficient testing of the voltage conversion unit.

The utility model belongs to the technical field of electronic circuits, and particularly relates to a multichannel data acquisition and wireless transmission control system. Comprising a main control unit, a signal amplification unit, a power management unit, a wireless communication unit, an analog-to-digital conversion unit, a relay control unit and a power supply unit. The power supply unit converts an external input power supply into a system working voltage; the power supply management unit is connected with the power supply unit, and distributes and converts the working voltage of the system into a working power supply required by each functional unit; the main control unit is respectively connected with the analog-to-digital conversion unit and the wireless communication unit; the signal amplification unit is connected between the input end of the sensor and the analog-to-digital conversion unit; and the relay control unit is connected with the main control unit and is used for realizing on-off control of external equipment according to a control signal of the main control unit. Through cooperation of AMS1117 and ICL7660, multi-voltage output of + / -2.5 V, 3.3 V and 5V is provided, and requirements of different modules are met. And multi-sensor parallel acquisition is supported, and signal crosstalk is reduced.

The embodiment of the invention provides a telescopic camera device, and the device comprises a telescopic module which comprises a plurality of sections of insulated telescopic rods, and the plurality of sections of insulated telescopic rods are connected through a locking structure; the camera shooting module is configured to obtain a real-time shooting picture of the equipment to be operated and maintained, the camera shooting module is detachably connected with the telescopic module, and a gyroscope is arranged in the camera shooting module, so that the lens angle of the camera shooting module is obtained through the gyroscope; the controller is electrically connected with the camera shooting module and the telescopic module, and is configured to display a real-time shooting picture of the camera shooting module, and control the camera shooting module and the telescopic module based on the real-time shooting picture and the lens angle; the power supply module comprises a battery unit and a power management unit, and the power management unit is configured to manage the battery unit to supply power to the camera module, the controller and the telescopic module. The device is used for solving the problems of insufficient safety protection and low operation and maintenance efficiency of electric power operation and maintenance equipment.

This application discloses a robot power supply system, method, apparatus, device, and storage medium, belonging to the field of robot technology, and capable of solving the problem of how to provide continuous and stable power to a robot. The system includes: an energy supply unit for providing power to the robot through a main battery unit, a backup battery unit, and a solar-assisted unit; a power management unit electrically connected to the main battery unit, the backup battery unit, and the solar-assisted unit, respectively, for switching the power source among the main battery unit, the backup battery unit, and the solar-assisted unit according to control signals; and a main control unit connected to the power management unit, configured to acquire light intensity parameters from an environmental sensor unit and battery charge parameters from the main battery unit and the backup battery unit, and output the control signals to the power management unit according to a preset power scheduling strategy.

The invention discloses a low-power-consumption optimization method based on multi-mode switching, a low-power-consumption control core CR5LP, a system mode controller SMC and a power management unit PMU are integrated in a chip architecture, the CR5LP is responsible for logic control of switching from a Run mode to an LPRun mode, the SMC dominates mode switching from the LPRun to a Sleep / Hibernate, and the PMU serves as a power execution unit and is used for realizing on-off control of internal DCDC, LDOLP and SYSCTRL0-1; and the low-power-consumption control core CR5LP, the system mode controller SMC and the power management unit PMU realize data interaction through an internal high-speed bus. The method has the advantages that power consumption dynamic optimization of equipment under different working conditions is realized, the low-power-consumption management efficiency is improved, and an effective solution is provided for improving the energy efficiency of a vehicle-mounted embedded system.

We provide a flexible, AI-powered wearable patch system for non-invasive medication compliance monitoring. [Solution] This system 100 integrates physiological sensors 101 to detect heart rate variability, skin temperature, electrocutaneous activity, and swallowing-related muscle signals. A drug detection sensor 102 identifies interactions with drug containers, and a medication event sensor 103 detects gestures or physiological signals indicating medication. An embedded AI processor 104 receives multimodal sensor data and performs digital filtering, normalization, artifact removal, and machine learning-based classification to determine medication confirmation events, missed doses, or irregular medication patterns. A power management unit 105 controls the power supply to ensure continuous operation. A wireless communication module 106 transmits processed medication data to an external device. This enables reliable, objective, and real-time medication confirmation without relying on invasive ingestion sensors or patient reports.

The present application relates to electronic endoscope technical field, specifically, it relates to a kind of endoscope multiplexing line built-in MIPI-CSI signal long-distance transmission isolation enhancement device.It includes the control end module, receiving end module and power management unit integrated in multiplexing line, and power management unit is used to power control end module, receiving end module.Power management unit in the present application, by the high integration of control end module, receiving end module and power management unit in multiplexing line, signal conditioning and isolation enhancement unit of control end can effectively process original signal and inhibit common-mode interference, then with the equalization compensation and clock data recovery circuit of receiving end repair signal attenuation and timing distortion problem caused by long-distance transmission, to realize in complex electromagnetic environment still can stable output low jitter, high integrity video signal, fundamentally solve the problem of affecting diagnostic accuracy due to image delay, quality decline.

A chip, a method of controlling memory failure repair, an electronic device, a non-transitory computer-readable storage medium, and a computer program product are provided. The chip comprises a power supply management unit, a repair management unit and a repair execution unit, wherein the power supply management unit is configured to provide a repair starting signal for a first power supply domain in a plurality of power supply domains through a power-on condition of the first power supply domain; the repair management unit is configured to determine first information at least according to a repair starting signal for the first power domain, and the first information comprises information indicating that a memory of the first power domain needs to be subjected to memory fault repair at present; sending a starting signal and first information to a repair execution unit; and the repair execution unit is configured to perform memory fault repair on the memory in the first power domain according to the starting signal and the first information.

A semiconductor device includes a retention circuit configured to retain a data value during a power gating operation, a non-retention circuit configured not to retain a data value during the power gating operation, a clock management unit (CMU) configured to provide a first operation clock to the retention circuit and provide a second operation clock to the non-retention circuit, and a power management unit (PMU) configured to provide a reference clock used to generate the first and second operation clocks to the CMU, generate a first isolation signal to permit a first signal to be output from the CMU, and generate a second isolation signal to permit a second signal to be output from the retention circuit and to permit a third signal to be output from the non-retention circuit.

The invention discloses a power supply system and terminal equipment. The terminal equipment comprises an interface module, an overvoltage protection OVP module, a power management unit PMU module, a load switching LS module and a wireless charging system. Wherein the interface module is connected with one end of the OVP module and one end of the LS module; the other end of the OVP module is connected with the first end of the PMU module and the first end of the wireless charging system; the second end of the wireless charging system is connected with the other end of the LS module; when the wireless charging system converts magnetic energy into electric energy and the LS module is switched on, the wireless charging system is used for supplying power to the interface module through the second end and the LS module. According to the embodiment of the invention, the use of an external transformation circuit can be reduced, and the mainboard space and the device cost are saved.

The invention provides a vehicle-mounted bidirectional rapid metering direct-current electric energy meter and a metering method, and the electric energy meter comprises a main control unit which serves as a control and calculation core of the electric energy meter; the high-speed sampling unit is used for digitally sampling the voltage and current analog signals and transmitting sampled data to the main control unit; the measuring range / power flow switching unit is used for receiving a switching instruction of the main control unit and executing measuring range switching and charging and discharging direction switching; the bidirectional metering unit is used for acquiring the sampling data from the main control unit and performing accumulation metering of bidirectional electric energy based on the sampling data; the isolation communication unit is used for performing electrical isolation and protocol conversion on the metering result of the two-way metering unit and then outputting the metering result outwards; the temperature noise compensation unit is used for monitoring the environment temperature and the chip temperature in real time and dynamically compensating the data gain and the data offset of the high-speed sampling unit and the bidirectional metering unit; and the power supply management unit is used for providing multi-path isolated stable working voltage for all units in the electric energy meter.

The invention provides a rapid switching and cooperative control system of modular execution units, which relates to the technical field of intelligent warehousing and comprises a chassis unit, an execution unit group, a rapid replacement interface unit, an identification and communication unit, a cooperative control unit, a system interface unit, a safety and energy consumption management unit and a power supply management unit. By arranging the quick replacement interface unit and the identification communication unit, modular structure design and automatic identification connection of the execution unit are realized; accurate positioning and electrical butt joint of the execution unit can be achieved through a guide rail, a buckle and a conductive sliding rail, manual disassembly, assembly and debugging are not needed, and rapid replacement of machinery and signals can be completed within 30 seconds. Meanwhile, the cooperative control unit ensures that task execution can be recovered without shutdown of the system during replacement of the execution unit based on state cache and task migration logic, so that the automation degree of task switching and the operation continuity are improved.

The invention discloses a portable photodynamic diagnosis and treatment system which comprises a laser host, and a master control circuit, a laser driving module, a power management unit, a temperature sensor, a voltage monitoring unit and a vibration module are arranged in the host; the operation area is arranged on the outer surface of the host and comprises a display screen and a plurality of operation buttons; the main machine is provided with a head which is provided with a connector and is conical. The light guide head assembly is detachably matched with the laser host through an interface; the camera is electrically connected with the main control circuit, the camera transmits collected images to an external mobile system through wifi, the camera is arranged on the head, and the camera is located above the light guide head assembly; the operation area has different working modes. The main control circuit receives monitoring data of the temperature sensor and the voltage monitoring unit in real time and cooperatively controls the laser driving module and the display screen according to the data. The integrated camera and the replaceable light guide head are carried, a bacterial infection area is visualized, and the risk of cross infection is reduced.

The application provides a marine energy-saving louver hollow glass window, which comprises inner glass, outer glass, a window body, a louver, a louver drive assembly, an energy storage battery pack and a control box. The louver drive assembly comprises a motor, a position limiter and a transmission device. The control box comprises a shell and a control circuit board. The control circuit board is provided with a microprocessor, a power management unit, a motor drive unit and a wireless signal receiving and processing unit. The motor drive unit is electrically connected with the motor. The motor is connected with the transmission device. The marine energy-saving louver hollow glass window further comprises an environment sensing module. The environment sensing module is arranged on the window body and is electrically connected with the control circuit board. The outer glass is electrochromic light-adjusting glass. The control circuit board is provided with an electrochromic drive circuit. The outer glass is electrically connected with the electrochromic drive circuit. The marine energy-saving louver hollow glass window can adjust the heat conduction performance of the louver according to the real-time environment to achieve the energy-saving purpose. The structure of the louver is fully utilized to meet the energy-saving demand and privacy protection.

A kind of based on 4G low-power unit valve, it is related to the field of Internet of Things, solve the technical problem that traditional valve remote monitoring in prior art is complex, communication reliability is low and high power consumption leads to frequent maintenance, including: control panel, shell and threaded connection external antenna.Control panel integrates lithium battery pack, charging control unit, power management unit, storage unit, clock unit, 4G module, SD card drive unit and display unit;Master control unit realizes electric energy intelligent distribution by charging control and power management module, relies on clock unit synchronous task scheduling, utilizes 4G module direct transmission cloud data to avoid gateway dependence, realizes local configuration offline update by the aid of SD card drive, and battery capacity, signal strength and valve opening are dynamically displayed by display unit.The utility model fuses low-power supply, gateway-free communication and visual interaction, and has good application prospect in the field of Internet of Things remote management and control of infrastructure such as heating pipe network monitoring.

The utility model provides an automobile external light display angle control system, which relates to the technical field of automobile light control and comprises a control module, a gesture acquisition module, a light independent selection switch module, a vehicle posture detection module, an ambient light detection module, a light projection angle servo module and a vehicle environment detection module. The control module comprises a power management unit, a parameter storage unit and an MCU microcontroller. The power management unit is electrically connected with the parameter storage unit, the parameter storage unit is electrically connected with the MCU microcontroller through an I2C interface, and the lamplight partition selection switch module, the lamplight independent selection switch module, the vehicle posture detection module, the ambient light detection module, the lamplight projection angle servo module and the vehicle environment detection module are all electrically connected with the MCU microcontroller. According to the utility model, the system integrates multi-dimensional interaction modes such as gesture recognition, physical touch control, environmental perception, vehicle body dynamic detection and the like, and precision and humanization of light control are realized through a modular architecture.

The utility model discloses a power protection circuit and power system. The power protection circuit includes: voltage sampling unit is used for collecting power voltage, filter unit is connected with voltage sampling unit electricity, is used for filtering voltage signal of collection, logic control unit is connected with filter unit electricity, is used for generating control signal according to voltage signal after filtering, power control unit is connected with logic control unit electricity, has control port, is used for controlling PWM output according to control signal, power management unit is connected with power control unit electricity, is used for according to the PWM output state control system power supply of power control unit. The utility model discloses through multistage protection structure has realized the overall monitoring and quick response to power voltage, has improved the reliability and sensitivity of power protection. The logic control unit of triode is used, realizes accurate judgement and quick response to voltage signal, and reduces cost simultaneously.

The invention relates to the technical field of power electronic control, and provides a general control platform and method for an SST modular power unit and a readable storage medium. The hardware layer comprises a general computing unit supporting multi-type signal processing, a configurable interface module adapted to different external devices, and a power management unit providing general power supply for hardware; the software layer runs on the hardware layer, and the software layer comprises a hardware abstraction layer used for shielding hardware differences, a control algorithm module dynamically configured to adapt to various SST topologies, and a communication mechanism supporting unified data interaction; the software layer and the hardware layer are cooperatively arranged through the hardware abstraction layer. The problems of long research and development period and high cost are solved, and technology multiplexing and platform sharing of different SST product lines are realized; when topology or parameters change, a control system does not need to be modified or redesigned on a large scale, SST technology iteration is accelerated, and large-scale application is guaranteed.

The invention provides a railway contact network ratchet wheel on-line monitoring system, in which a solar photovoltaic panel and a storage battery are used for supplying power to a monitoring device in an environment without commercial power, and a power management unit is used for implementing energy management based on load priority; the local processing and communication unit is in wired connection with the data acquisition module at a short distance and establishes a communication link with a monitoring center through a wireless communication network based on an SD-WAN intelligent networking technology at a long distance; a high-gain directional antenna is arranged outside the acquisition box and is connected with a communication module inside the acquisition box; and a digital signal processor is integrated in the communication module and is used for performing forward error correction processing on an antenna transmission signal. According to the on-line monitoring system, the off-grid power supply module solves the power supply problem of the monitoring device in an environment without commercial power; the SD-WAN intelligent networking technology solves the problems that communication depends on physical lines, and the construction and operation and maintenance cost is high; the high-gain directional antenna solves the problems of attenuation of long-distance transmission signals and the like.