53 results about "Voltage regulator module" patented technology

A low dropout linear regulator circuit, a power supply chip and an electronic device wherein the low dropout linear regulator circuit comprises: a voltage input terminal for receiving an input voltage; the anti-surge module comprises a bidirectional TVS (Transient Voltage Suppressor) tube, and the anti-surge module is connected with the voltage input end and is used for carrying out voltage stabilization processing on the input voltage and reducing peak burrs of the input voltage; a first electrostatic protector, wherein the first electrostatic protector is connected with the anti-surge module; the linear voltage regulator module comprises an input end and an output end, and the input end of the linear voltage regulator module is connected with the first electrostatic protector; and the voltage output end is connected with the output end of the linear voltage regulator module and is used for providing output voltage, and the anti-surge capability of the power supply chip is remarkably improved on the basis of not increasing the process complexity of the module.

This invention discloses a DC-DC conversion circuit, device, and fast load transient response method. The circuit includes: a DC-DC conversion module, a transient detection module, and a voltage regulator module; the output terminal of the DC-DC conversion module is connected to the load; the DC-DC conversion module also includes an output voltage feedback terminal for feedback of the output voltage error; the first input terminal of the transient detection module is connected to the output voltage feedback terminal of the DC-DC conversion module, the output terminal of the transient detection module is connected to the control terminal of the voltage regulator module, and the charging / discharging terminal of the voltage regulator module is connected to the output terminal of the DC-DC conversion module; the transient detection module generates a charging / discharging control signal based on the voltage error signal output by the DC-DC conversion module, and the voltage regulator module charges or discharges the output terminal of the DC-DC conversion module according to the charging / discharging control signal. The solution provided by this invention can significantly improve the load transient response speed.

This invention relates to the field of gear transmission control circuit technology, and particularly to a simplified dual-gear backlash elimination auxiliary circuit, comprising a voltage regulator module, a voltage follower, and a voltage difference module connected in series. The voltage regulator module is connected to an external power supply. The voltage difference module is provided with a signal input terminal and a signal output terminal. The signal input terminal is connected to the torque analog output terminal of a first driver, and the signal output terminal is connected to the torque analog input terminal of a second driver. The voltage difference module is used to subtract the voltage at the signal input terminal from the output voltage of the voltage regulator module and output the result from the signal output terminal. This allows for dual-gear backlash elimination without the need for expensive high-end CNC systems or controllers, significantly reducing costs.

This utility model discloses a control circuit for a heated power bank, relating to the field of mobile power supply technology. The circuit includes a charging / discharging module, a voltage regulator module, a CPU control module, and a heating control module. The voltage regulator module, CPU control module, and heating control module are all connected to the charging / discharging module, and both are connected to the CPU control module. The charging / discharging module, controlled by the CPU control module, charges and discharges the lithium battery. The voltage regulator module, also controlled by the CPU control module, provides a stable voltage to the lithium battery. The heating control module, controlled by the CPU control module, manages the temperature of the heated power bank. This utility model uses the CPU control module to control the charging / discharging module to charge and discharge the lithium battery, and monitors the ambient temperature and lithium battery temperature inside the heated power bank in real time. Based on user needs or actual requirements, it controls the heating module to heat the power bank, meeting the user's heating needs and ensuring the heated power bank operates in a safe environment.

Systems including voltage regulator circuits are disclosed. In one embodiment, an apparatus includes a voltage regulator controller integrated circuit (IC) die including one or more portions of a voltage regulator circuit. The apparatus further includes a capacitor die, an inductor die, and an interconnect layer arranged over the voltage regulator controller IC die, the capacitor die and the inductor die. The interconnect provides electrical connections between the voltage regulator controller IC die, the capacitor die and the inductor die to form the voltage regulator circuit. In a further embodiment, the voltage regulator controller IC die, the capacitor die and the inductor die are arranged in a planar fashion within a voltage regulator module. In still another embodiment, a system IC is coupled to the voltage regulator module and includes one or more functional circuit blocks coupled to receive a regulated supply voltage generated by the voltage regulator circuit.

This disclosure provides a gate driving circuit and a display device, belonging to the field of display technology. The gate driving circuit includes multiple cascaded shift registers. Each shift register includes: a gate signal generation module configured to output a gate driving signal through a signal output terminal; and a voltage regulator module configured to, when the gate driving signal is at a working level, stabilize the output of the shift register at this stage by using a first power supply voltage output from a first power supply voltage terminal, stabilize the outputs of the previous and next stage shift registers by using a second power supply voltage output from a second power supply voltage terminal, and stabilize the output of the shift register at this stage by using a second power supply voltage output from a second power supply voltage terminal when the gate driving signal is not at a working level.

The embodiment of the utility model relates to a video monitoring system powered by a vehicle-mounted storage battery, a power supply is stabilized at 12V through a voltage stabilizing module, then the voltage stabilizing module is controlled through a relay, and the relay is used for controlling the connection and disconnection of the relay by taking electricity from a vehicle fuse box, so that the power supply of a camera and a router is realized. And after the vehicle is unlocked or started, the camera supplies power to start video picture recording, the video pictures are uploaded to a cloud end or a third-party platform, and after the vehicle is shut down and locked, the power supply is cut off, and the video monitoring system is closed.

A PCB component used in a voltage regulator module and a method for manufacturing the voltage regulator module are disclosed. The PCB component includes a PCB and an inductor. The PCB includes a top surface and a bottom surface. The inductor includes a magnetic core and a winding. The winding runs through the magnetic core, and the winding forms an upper outlet terminal on the upper surface and a lower outlet terminal on the lower surface. The inductor is embedded in the PCB. A plurality of conductive layers are respectively disposed above the upper surface and below the lower surface. The upper outlet terminal and the lower outlet terminal are electrically connected to a power device and an external circuit board. The power device, the PCB component and the external circuit board are stacked vertically in sequence and connected through one reflow welding process to form a voltage regulator module.

The utility model discloses a marine fog horn control circuit and marine electronic equipment, the marine fog horn control circuit comprises an audio power amplifier module, a relay module, a relay coil, a first voltage dividing module, a second voltage dividing module, a switch module, a voltage stabilizing module and a control module, and the control module controls the on-off state of the relay module through the relay coil. According to the circuit, efficient control and real-time monitoring of the functions of the fog horn are realized, the circuit not only can ensure that the fog horn receives an audio signal and makes a sound normally in a normal state, but also can detect the connection state of the fog horn in real time, and when connection is abnormal, a problem can be quickly positioned, and the reliability of the fog horn is improved. Therefore, the reliability and the maintenance efficiency of the equipment are greatly improved, and the safe navigation of the ship under the condition of poor visibility is ensured.

Apparatus, assemblies, and platforms employing modular power voltage regulator (VR) modules to provide power to memory modules. A power VR module includes VR circuitry integrated on or coupled to a substrate with wiring coupling the VR circuitry to connector elements in first and second connector means. An assembly further includes a pair of memory modules (e.g., DDR) that are coupled to a power VR module via mating connector means. The connector means may be coupled using a Compression Mount Technology (CMT) connector disposed between arrays of CMT contact pads on the power VR module and the memory modules, or may comprise BGAs, PGAs, and LGAs. The power VR module receives one or more input voltages via one or both memory module and provide various output voltages to each of the memory modules to power memory devices and other circuitry on those modules.

The invention discloses a single-phase voltage regulator module radiating device, which relates to the technical field of electronic voltage regulation and stabilization and comprises a shell, a radiator and a thyristor radiator, the radiator and the thyristor radiator are arranged in the shell side by side, and one side surface of the radiator and one side surface of the thyristor radiator are flush with each other and jointly form a mounting plane; the LED lamp further comprises a heat dissipation module, the heat dissipation module comprises a flow guide cover detachably connected to the installation plane, and the heat dissipation module, the installation plane and the shell jointly define a closed heat dissipation air channel. The air supply assembly is installed on the flow guide cover, the air outlet direction of the air supply assembly faces the heat dissipation air channel, and the air supply assembly is used for guiding airflow to the heat dissipation air channel so as to achieve heat dissipation of the radiator and the thyristor radiator. The radiator and the thyristor radiator are arranged side by side, and the side surfaces of the radiator and the thyristor radiator jointly form the mounting plane, so that the problem of coplanar mounting of two heat source substrates with different heights is solved, and the compact layout of the structure is realized; a closed heat dissipation air channel is formed by the flow guide cover, the installation plane and the shell together, and the utilization efficiency of cooling air is maximized.

An overvoltage protection circuit, charging interface, charging cable, charging device, and power receiving device are disclosed. The overvoltage protection circuit includes a main control chip Type-C interface, the interface including at least one CC pin; a current-limiting resistor, one end of which is connected to the CC pin and the other end to the main control chip; and a voltage regulator module connected in parallel between the current-limiting resistor and the main control chip, one end of which is connected to the connection point between the current-limiting resistor and the main control chip, and the other end is grounded. The voltage regulator module is used to discharge overvoltage current exceeding a preset safety value to ground. In this embodiment of the invention, when leakage or short circuit occurs between the CC pin and VBUS, the voltage of the CC pin can be effectively limited, preventing damage to the main control chip due to overvoltage. Simultaneously, this invention also solves the problems of high cost, large size, and insufficient transient response of existing overvoltage protection chips.

The present application provides a module structure with high efficiency and good heat dissipation performance, which improves the heat dissipation capability of the VRM module by means of the design of the self-contained heat sink, so as to improve the output power of the VRM module; by means of the device placement in the VRM module, the parasitic parameters on the power transmission path are reduced, and the conversion efficiency of the VRM module is improved; and the dynamic performance of the VRM module is further improved by means of the TLVR technology.

A multi-phase controller, a voltage regulator module, and a method of operating a multi-phase controller for a voltage regulator module are disclosed. The multi-phase controller includes a current mode adjustment circuit and a pulse distributor configured to: distribute a first set of pulses to a first power stage and a second set of pulses to a second power stage; and selectively enabling or disabling the second set of pulses to the second power stage based on a load condition. The multiphase controller also includes a current sense circuit coupled to receive a plurality of current monitoring signals from a plurality of power stages and configured to: provide a summing signal to the current mode adjustment circuit based on the plurality of current monitoring signals; a second current monitoring signal from the second power stage is replaced with a first current monitoring signal from the first power stage during a replacement period after recovery of the second set of pulses to the second power stage.

This disclosure relates to a variable frequency motor controller and a garment processing device. The variable frequency motor controller includes a rectifier module, an energy discharge module, a voltage regulator module, a control module, a selector switch module, and a power module. The control module is connected to the selector switch module, which is connected to both the energy discharge module and the voltage regulator module. When the garment processing device is in an energy-dissipating braking state, the control module controls the selector switch module to connect the energy discharge module across the DC bus and disconnect the voltage regulator module from the DC bus, thereby allowing the energy discharge module to discharge the regenerative energy generated during braking. According to embodiments of this disclosure, rapid braking and extended lifespan of the voltage regulator module can be achieved. Furthermore, since no additional mechanical devices are required, mechanical friction and vibration are avoided, thus saving costs and reducing noise.

This utility model belongs to the field of power supply circuit technology. It provides an ultraviolet lamp comprising a power supply module, a transformer module, a rectifier module, a filter module, a voltage regulator module, and a drive load module; these modules are connected sequentially. The ultraviolet lamp provided by this utility model uses a transformer module to convert the AC power output from the power supply module into unidirectional pulsating DC power. The filter module and voltage regulator module are connected between the main circuit and the load, effectively filtering out the AC component in the pulsating DC voltage. This provides a high starting voltage for the ultraviolet lamp and limits the lamp current to a stable range, enabling effective and stable high-intensity output for better sterilization.

A system and a method for an integrated semiconductor wafer are disclosed. A wafer-level interposer has a top interposer surface and a bottom interposer surface. A power layer is disposed on the top interposer surface. The power layer includes at least one voltage regulator module (VRM). A first layer is attached to the bottom interposer surface. The first layer includes at least one first-layer die having at least one first-layer integrated circuit (IC). A second layer is attached to the first layer. The second layer includes at least one second-layer die having at least one second-layer IC. A wafer-level thermal layer has an embedded cooling network of at least one liquid cooling channel and is attached to the second layer.

This invention discloses an LED light source module with a built-in constant current IC and independent driving circuit. The PCB of the light source module includes a constant current driver IC, a serial communication interface, a ground interface, a power supply interface, and at least two sets of tri-color LEDs. The constant current driver IC includes a control module, a voltage regulator module, a decoding module, a data latch module, a PWM brightness adjustment module, and multiple independent constant current driver modules. The PWM brightness adjustment module provides independent PWM adjustment for each independent constant current driver module. Each set of tri-color LEDs includes red, green, and blue LEDs. The cathodes of all LEDs are electrically connected to the ground interface, and the anodes of the LEDs are electrically connected to the control pins of the constant current driver IC. One control pin corresponds to one LED, and one control pin is electrically connected to the load terminal of one independent constant current driver module. This design allows for independent control of each LED and reduces the PCB layout area of ​​the light source module, thereby lowering hardware and manufacturing / assembly costs.

The invention relates to a variable frequency motor controller and a clothes treating apparatus. The variable frequency motor controller comprises a rectifier module used for converting alternating current input by an alternating current input side into direct current; the voltage stabilizing capacitor module is used for stabilizing the voltage on the direct current bus, the voltage stabilizing capacitor module comprises at least one voltage stabilizing capacitor, no electrolyte exists in the voltage stabilizing capacitor, and the total capacitance value of the voltage stabilizing capacitor module is smaller than or equal to a first preset threshold value; the sampling module is used for collecting alternating current input side electrical parameters, direct current bus side voltage and motor phase current; the control module is used for generating a driving signal according to the alternating current input side electrical parameter, the direct current bus side voltage and the motor phase current; the power module is used for generating current according to the driving signal to drive the motor to operate. According to the technical scheme, the power factor correction function can be achieved, and the service life of the clothes processing equipment can be prolonged.

A method, according to one approach, includes: detecting a failed phase of a first VRM which causes the first VRM to have a number of functioning phases that is outside a predetermined range. The first VRM is included in a processor system architecture having a plurality of VRMs respectively associated with a plurality of chips. The method also includes causing any workloads on a first chip associated with the first VRM to be offloaded. Moreover, a controlled shutdown of the first VRM and the first chip is performed, while the plurality of VRMs respectively associated with the plurality of chips in the processor system architecture, excluding the first VRM and the first chip, remain operational.

This utility model provides an electromagnetic isolation circuit and an electrical energy measurement device, relating to the technical field of electronic circuits. It includes: a filtering module, an isolation transformer drive module, an EMI suppression module, a transformer module, a rectifier module, and a voltage regulator module. The filtering module filters a first power supply. The isolation transformer drive module generates a primary-side power supply based on the filtered first power supply, which is then input to the transformer module. The EMI suppression module suppresses common-mode interference on the primary-side power supply. The transformer module converts the suppressed primary-side power supply into a secondary-side power supply with a preset ratio. The rectifier module rectifies the secondary-side power supply to obtain a rectified power supply. The voltage regulator module regulates the rectified power supply to obtain a second power supply, which powers the load. This invention solves the technical problem of instability in isolation circuits under strong magnetic environments, achieving high stability and safety.

The invention provides a two-phase voltage regulator module, an N-phase voltage regulator module applying the two-phase voltage regulator module and a manufacturing process of the integrated inductor assembly, the two-phase voltage regulator module comprises a top plate assembly, an intermediate assembly and a bottom assembly; the top assembly comprises a top substrate; the intermediate assembly comprises a magnetic core, a first main winding, a second main winding, a first auxiliary winding, a second auxiliary winding, a first auxiliary electrical connector and a second auxiliary electrical connector; and the bottom assembly comprises a first expansion pin and a second expansion pin.

This application relates to the fields of electronics and semiconductor devices, and provides a voltage regulator circuit and an electronic device. The voltage regulator circuit is formed on a semiconductor substrate and includes a pre-stage voltage regulator module, a low-pass filter module, and a post-stage voltage regulator module connected in series. The low-pass filter module includes a resistor and a capacitor electrically connected on the semiconductor substrate. Thus, the voltage is stabilized at the required level by the pre-stage voltage regulator module, and then the noise introduced by the pre-stage voltage regulator module is filtered out by the low-pass filter module, thereby enabling the output of a stable voltage with low noise from the post-stage voltage regulator module. Although the voltage regulator circuit of this application increases the device area by adding a low-pass filter module and a post-stage voltage regulator module, compared with conventional noise reduction methods, this application achieves higher noise reduction efficiency with the same increase in area.

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 belongs to the technical field of line voltage regulation, and discloses a line voltage regulator based on a zero line current blocking technology, which adopts a three-phase self-coupling voltage regulator module to improve the voltage at the tail end of a line and prevent the condition that the voltage at the load side at the tail end of the line is too low due to too large voltage drop of the line; the backflow of unbalanced current can be prevented by cutting off the null line, so that the voltage drop on the null line is reduced, the voltage at the tail end of the line is improved to a certain extent, and meanwhile, the line loss can be reduced; and a load center point at the tail end of the line is connected with a secondary side center of the self-coupling voltage regulator so as to provide a loop for current circulation. According to the measures, on the premise that the equipment installation cost is reduced, the tail end voltage of the line is improved, the loading capacity of the line is improved, and a solution is provided for the problem of three-phase current imbalance caused by unbalanced load of a three-phase four-wire system.

The application belongs to the technical field of power electronics, and provides a transient oscillation bidirectional compensation circuit for an XPU power supply, comprising a high-pass sampling module, a dynamic compensation analog driving module, a push-pull signal amplification module and a power stage push-pull compensation module; the high-pass sampling module is connected with the output end of a voltage regulator module; the dynamic compensation analog driving module is connected with the high-pass sampling module; the push-pull signal amplification module is connected with the dynamic compensation analog driving module; the power stage push-pull compensation module is connected with the push-pull signal amplification module, a PDN and a load module respectively; and the power stage push-pull compensation module is used for converting a driving signal into a compensation current so as to inject the output end of the voltage regulator module. The application can effectively reduce voltage overshoot and drop, and has the advantages of small volume, low cost and simple structure.

The invention discloses an aircraft non-contact electric pitch changing system and method based on frequency hopping. The system comprises a control end and a receiving end. The control end comprises a first battery, a single-chip microcomputer, a first wireless frequency hopping transmission module and a transmitting antenna, the first battery supplies power to the control end, the single-chip microcomputer is connected with the first wireless frequency hopping transmission module, the wireless frequency hopping transmission module is connected with the transmitting antenna, and the transmitting antenna is connected with the single-chip microcomputer. The receiving end comprises a pitch changing mechanism, a receiving antenna, a second wireless frequency hopping transmission module, a voltage reduction and stabilization module, a second battery and an electric energy wireless transmission module. The second battery supplies power to the receiving end through the electric energy wireless transmission module and the voltage reduction and stabilization module. According to the invention, the hardware design is simplified, the communication synchronization reliability is improved, and efficient half-duplex wireless communication and precise time synchronization are realized.

A 2.4 G wireless interconnected light control system, including a voltage regulator module, a driving module, a main control module, a wireless module, a transceiver module, and a matrix module; the voltage regulator module is configured to output regulated power supply after stepping down and stabilizing an input voltage; the matrix module is configured to generate an input signal; the main control module is configured to receive and process the input signal, and input the processed input signal to the wireless module; the driving module is configured to drive a light string group according to a control signal from the main control module; the wireless module is configured to facilitate communication between the main control module and the transceiver module; and the transceiver module is configured to convert a signal inputted by the wireless module to an electromagnetic wave signal and broadcast the electromagnetic wave signal.

This invention discloses a highly stable DC regulated power supply circuit with strong anti-interference capability, comprising an input filtering module, a high-frequency rectification module, a digital control module, a feedback regulation module, an output voltage regulator module, and a load detection module. The input filtering module suppresses external electromagnetic interference through three sets of LC filter networks; the high-frequency rectification module converts AC power to DC power; the digital control module uses comparators and field-effect transistors to accurately regulate the reference voltage; the feedback regulation module adjusts the output voltage in real time through a closed-loop circuit; the output voltage regulator module further smooths and stabilizes the output signal; and the load detection module monitors the load status and feeds it back to the digital control module. This invention features high anti-interference capability, output stability, and intelligent regulation functions, and is suitable for industrial automation, communication equipment, and precision electronic systems.

The invention discloses an automatic positioning and direction finding method and device based on AISG interface transmission. The method comprises the following steps: S1, device composition and deployment; s2, parasitic power supply; s3, multi-source data collaborative acquisition; s4, data preprocessing and precision optimization; s5, cloud-edge cooperative positioning calculation is carried out; s6, AISG interface time division multiplexing transmission is carried out; s7, data automatic application and abnormity alarm are carried out; according to the invention, the device can be quickly attached and fixed to the base station antenna backboard without modifying the antenna through the flexible housing by using the viscous structure; the LDO voltage stabilization module multiplexes an RRU interface and is matched with a super capacitor to prevent power failure, data is subjected to temperature drift compensation and Kalman filtering to improve the direction finding precision, RTK calculation of CORS data is combined to guarantee accurate positioning, and multiple modules cooperate to stably output the data; the AISG time division multiplexing link does not affect the original function of the antenna, data is in seamless connection with a base station system, automatic input and abnormal alarm are achieved, and automatic operation and maintenance are adapted.