434 results about "Reverse current" patented technology

A power supply control device includes: an output stage circuit having a high-side transistor provided between an application terminal of an input voltage and a switch terminal, and a low-side transistor provided between the switch terminal and a ground terminal; a high-side driver; a low-side driver; a switching control circuit for controlling on / off state of the high-side and low-side transistors using the low-side and high-side drivers; a boot terminal for applying a boot voltage; a rectifying element for supplying a charging current to a boot capacitor during an on period of the low-side transistor; a reverse current detection circuit for detecting a specific reverse current state in which a reverse current flows from an output terminal to which the output voltage is applied, toward the low-side transistor via the coil and the switch terminal; and a monitor circuit for monitoring a height of the boot voltage.

The invention relates to a preparation method and application of an electrode, in particular to a preparation method and application of an anti-reverse current self-supporting electrode for anion exchange membrane water electrolysis hydrogen production. The self-supporting (NiCoFe) 9S8 electrode is constructed by adopting a directional solid-phase synthesis strategy to overcome the challenge of performance degradation of the electrolytic cell. The preparation method comprises the following steps: firstly, depositing a precursor solution of FeS2 and CoCl2 on a nickel felt substrate, and then carrying out annealing treatment to obtain uniformly grown (NiCoFe) 9S8; the method not only ensures uniform distribution of multiple metal components, but also constructs firm chemical bonding and efficient charge transfer between the catalyst layer and the conductive substrate through solid-phase interface reaction, and effectively avoids interface impedance caused by introduction of an additional binder. Therefore, high-current-density water electrolysis hydrogen production under intermittent fluctuation power supply is realized. In 1M KOH, the cell voltage is almost not attenuated when the electrode stably operates for 2000h at 500mAcm <-2 >.

The invention relates to the technical field of electrochemical energy storage application, and discloses a load power prediction-based user side energy storage operation regulation method, which comprises the following steps of: acquiring load power and energy storage power in a sampling period, calculating a load prediction value at the end of a next period according to the initial load power and the end load power in the period, establishing a historical load extreme value database, and executing an asymmetric condition updating rule, namely, performing online correction on the database according to different comparison conditions in a charging mode and a discharging mode; an adjusting instruction is generated according to the capacity constraint of the transformer in the charging mode, and an adjusting instruction is generated according to the anti-countercurrent threshold constraint in the discharging mode. Preventive measures for two different operation risks of charging overload and discharging countercurrent are unified in a continuous control process with online self-learning capability according to system operation state switching adjustment reference and boundary conditions, and the economical efficiency and the safety of operation are both considered.

The invention discloses a full-working-condition driving force optimal distribution control method based on an HCU, and relates to the technical field of new energy automobile control, and the method comprises the following steps: building a long slope energy flux analysis model, generating a time sequence envelope curve of recovery power based on a slope, an automobile speed and a wheel end inertia, and extracting a local peak value interval in the time sequence envelope curve; and in the peak value interval, based on the open-circuit voltage, pulse current and impedance spectrum information of the power battery, online identifying the absorption capacity of the power battery, correcting the upper limit of the state of charge of the power battery, determining a rechargeable current threshold value, carrying out coupling analysis on the threshold value and the recovery power envelope curve, and identifying the reverse current risk time period of the inverter. According to the method, real-time constraint on the absorption capacity of the power battery under the long-slope deceleration working condition is achieved, the inverter reverse irrigation risk is recognized, a peak clipping track and a transient discharge channel are constructed, micro-pulse, accessory absorption and super-capacitor shunting are fused, energy closed-loop control is formed, and the safety of the whole vehicle and the energy utilization efficiency are improved.

The invention relates to the technical field of fault detection, in particular to an electronic component fault management method and system. The method comprises the following steps: collecting real-time data and constructing a real-time fault monitoring data set; reading historical data and constructing a historical reference data set; comparing the real-time fault monitoring data set with the historical reference data set item by item in a corresponding time window to obtain a drift amplitude, and mapping according to the drift amplitude to generate a reverse excitation amplitude instruction; a reverse current signal according to the reverse excitation amplitude instruction is injected into the loop node to be measured, and a Hall null drift amount is determined according to Hall output; outputting an electronic disturbance quantity based on the Hall null drift quantity; therefore, through dynamic data cooperation and an active excitation response mechanism, the problems of missing detection recessive degradation, misjudgment transient interference and single diagnosis dimension of traditional fault management are solved, and the hidden danger recognition precision and the protection reliability are remarkably improved.

The invention discloses a composite voltage generation device and a cable insulation performance evaluation system and method, and relates to the technical field of high-voltage insulation testing. The composite voltage generating device comprises a synchronous controller, a direct current source, an impact source, an IGBT active protection unit and a magnetic isolation coupler, and by means of the excellent characteristics of the IGBT and the magnetic isolation coupler, the superposition time sequence accuracy of direct current and impact voltage is improved, and waveform distortion is reduced. The IGBT active protection unit comprises a first IGBT and a second IGBT, and direct-current voltage polarity switching can be realized through selective conduction of the IGBTs; the RC circuit is connected in parallel between the collector electrode of the first IGBT and the emitter electrode of the second IGBT, reverse current flowing back to the direct current source direction can be discharged through the RC circuit, the risk of energy flowing back is reduced, meanwhile, the magnetic isolation coupler can completely block direct current, and an impact source is protected against the influence of direct current voltage; according to the invention, the authenticity and reliability of cable insulation performance evaluation can be effectively improved.

A switching modulation circuit generates a first control signal with a duty ratio. A delay circuit delays the first control signal to generate a second control signal. A zero crossing detector detects whether an output current of a DC / DC converter is smaller than a threshold in a rectification interval, and generates a third control signal. A monitoring circuit detects a reverse-flow possibility of the output current, and generates a fourth control signal. A delay time of the delay circuit is set shorter than the delay time of the zero crossing detector. When the reverse-flow possibility does not exist, and the third control signal has transitioned to indicate that the output current is smaller than the threshold, a driver circuit turns off both first and second switching elements. When the reverse-flow possibility exists, and the second control signal has transitioned from an ON state to an OFF state, the driver circuit turns off both the first and second switching elements.

The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic charging and discharging control method and system based on a direct-current coupling optical storage all-in-one machine, and the method comprises the steps: monitoring system operation parameters in real time; after the countercurrent risk is judged, energy storage is preferentially utilized to absorb redundant electric energy; when the stored energy is saturated, the photovoltaic output is dynamically adjusted instead of shutdown; when photovoltaic power generation is insufficient, the gap is supplemented through energy storage discharge. By monitoring system operation parameters in real time and dynamically coordinating photovoltaic power generation, energy storage charging and discharging and load requirements, photovoltaic energy is utilized to the maximum extent while reverse current of a power grid is avoided, redundant electric energy is preferentially stored in a battery, and photovoltaic output is intelligently adjusted instead of direct shutdown after energy storage is saturated; and when the load demand is higher than that of photovoltaic power generation, a gap is supplemented through energy storage discharge, so that energy waste is remarkably reduced, the system operation time is prolonged, the overall power generation income and economy are improved, and safe and stable operation of a power grid is ensured.

Bidirectional isolated universal topology (BIUT) high power DC-DC converter assemblies and systems balance voltages and control currents between high power DC sources and high power DC loads where at least some of the high power DC sources are alternative energy or renewable energy power supplies and high power DC loads associated with alternative energy or renewable energy. The BIUT high power DC-DC converter assemblies and systems are capable of reversing current flow direction where loads become the sources and sources become the load in DC power systems where the supplies and loads are all connected to a common DC voltage bus.

The application discloses a GaN HEMT device integrated with a reverse diode and a preparation method thereof. The GaN HEMT device comprises a two-dimensional electron gas structure, a source electrode, a drain electrode, a P-GaN gate electrode, a passivation layer, a source field plate structure, a Schottky contact metal, an ohmic contact metal and a P-GaN layer. The Schottky contact metal and the surrounding structure thereof constitute a Schottky diode, and the P-GaN layer and the surrounding structure thereof constitute a P-i-N diode. The application integrates the parallel Schottky diode and P-i-N diode, and provides a new path for the reverse current of the GaN HEMT device. In the reverse conduction, the low reverse conduction voltage of the Schottky diode can be utilized, and the strong overcurrent capacity of the P-i-N diode can be exerted. The source field plate structure is utilized to build a reverse conduction loop, and the reverse conduction part is formed with the aid of the potential barrier layer. The reverse conduction part and the forward conduction part share the drain region, and the area is reduced.

The invention provides a driving circuit of a high-side switching tube, and the driving circuit of the high-side switching tube comprises a pull-up unit which carries out the pull-up of a grid potential of the high-side switching tube through a first current when a control signal is effective; the second pull-down unit is used for carrying out pull-down on the grid potential of the high-side switching tube by utilizing second current when the control signal is invalid; the pull-up unit further adjusts the first current according to the first current adjusting signal so as to adjust the starting speed of the high-side switching tube, and therefore slow starting of the high-side switching tube is achieved. According to the driving scheme of the high-side switching tube, the structure is simple, slow switching-on and switching-off of the high-side switching tube can be achieved, mistaken switching-on of the high-side switching tube can be avoided when the voltage of the input end is subjected to rapid step, and it can be ensured that no reverse current flows back to a driving circuit power source when the voltage of the output end is higher than the voltage of the input end.

The invention relates to the technical field of electric power, in particular to a vacuum circuit breaker and a phase selection closing control method, and the vacuum circuit breaker comprises a hybrid electromagnetic mechanism and a vacuum arc-extinguishing chamber; the hybrid electromagnetic mechanism comprises a permanent magnet closing assembly and an electromagnetic repulsion opening assembly, the permanent magnet closing assembly comprises double coils and a T-shaped movable iron core which are arranged in parallel, and a discharge loop is formed to drive a movable contact of the vacuum arc-extinguishing chamber to complete a closing action and maintain a closing state; the electromagnetic repulsion opening assembly comprises a static coil panel and a moving coil panel which are coaxially and oppositely arranged to form a reverse current repulsion loop so as to drive a moving contact of the vacuum arc-extinguishing chamber to complete an opening action and maintain an opening state, and the moving coil panel is connected with a T-shaped moving iron core of the permanent magnet closing assembly through an insulating guide rod; the vacuum arc-extinguishing chamber comprises a driving connecting rod, a moving contact and a static contact, one end of the driving connecting rod is connected with the moving contact, and the other end of the driving connecting rod is connected with the insulating guide rod. Therefore, the opening and closing speed of the vacuum circuit breaker is improved.

An example apparatus includes a first transistor having a control terminal and first and second terminals. The apparatus includes a second transistor having a control terminal and first and second terminals, the second terminal of the second transistor coupled to the second terminal of the first transistor. The apparatus includes a first amplifier having a first input, a reference input, and an output, the first input of the first amplifier coupled to the first terminal of the first transistor, the output of the first amplifier coupled to the control terminal of the first transistor. The apparatus includes a second amplifier having first and second inputs and an output, the first input of the second amplifier coupled to the first terminal of the first transistor, the second input of the second amplifier coupled to the first terminal of the second transistor, and the output of the second amplifier coupled to the control terminal of the second transistor. The apparatus includes a control circuit coupled to the control terminal and the second terminal of the second transistor and coupled to the first transistor, the control circuit capable of adjusting a voltage at the control terminal of the second transistor responsive to a current through the first transistor.

The invention discloses an inverter circuit topological structure for driving double three-phase motors, and belongs to the technical field of power generation, power transformation or power distribution. The topology comprises a six-phase bridge arm, a switching tube in the bridge arm is connected in series with a diode, and a branch after the switching tube is connected in series with the diode is inversely connected in parallel with a diode. A plurality of switching tubes and diodes of the topology are connected according to a specific rule, a reverse current path is blocked by serially connecting the diodes, and current mutation in the switching process is reduced; and meanwhile, an anti-parallel diode is used for maintaining a continuous current path, normal work of the circuit is ensured, and the circuit has the advantages of simple circuit design, low control cost, high efficiency and the like, and is widely applicable to low-voltage and high-current dual-three-phase motor driving scenes.

The invention belongs to the field of semiconductor devices, provides a gallium nitride high-electron-mobility transistor integrated with a Schottky diode and a preparation method of the gallium nitride high-electron-mobility transistor, and aims to solve the problem that a conventional gallium nitride high-electron-mobility transistor (GaN HEMT) lacks a body diode. According to the invention, monolithic integration of the SBD and the GaN HEMT is realized through structural design, a low-impedance path is provided for reverse current, and the integration mode not only retains the original high performance characteristic of a GaN device, but also additionally endows the GaN device with reverse conduction and reverse recovery capabilities; moreover, through the structural design, the SBD can be synchronously completed on the basis of the existing GaN HEMT process, a special process or new equipment is not needed, and the cost is effectively controlled while the performance improvement is ensured; compared with an external interconnection diode scheme, parasitic inductance caused by lead bonding is eliminated, the voltage overshoot and ringing phenomena in the switching process are remarkably reduced, high-frequency switching application is facilitated, and switching loss can be greatly reduced.

The invention relates to the technical field of motor control, in particular to an electric bed motor control method and an electric bed, and the method comprises the steps: sampling a current ripple signal, carrying out the spectrum analysis of the current ripple signal, extracting a load resonant frequency, generating an anti-phase harmonic current, and injecting the anti-phase harmonic current into a motor winding at the starting moment of a motor; damping harmonic waves are injected into the motor winding in the motor pre-braking stage, and phase-synchronous reverse currents are injected into the motor winding in the motor main braking stage. Low-impact control over starting and stopping of the electric bed is achieved through an electromechanical energy hedging mechanism, and an existing electric bed electromechanical framework is compatible; at the starting moment of the motor, high-frequency resonance excitation force can be neutralized by injecting anti-phase harmonic current; kinetic energy is dissipated through damping harmonic waves in the pre-braking stage, and current reverse locking is applied in the main braking stage, so that the in-place residual amplitude approaches zero; and dynamic tuning control parameters are analyzed based on a real-time spectrum, so that the start-stop time under a variable load is relatively constant, and the problems of light-load overshoot and heavy-load hysteresis are solved.

A power supply control device, which is a main controller of a switching power supply, includes an error amplifier, a ramp signal generation circuit, a comparison signal generation circuit, a logic circuit, a switch drive circuit, a reverse current detection circuit, and a ramp signal holding circuit. The logic circuit adjusts an input offset of the comparison signal generation circuit, the error signal, or the ramp signal in a direction that reduces a difference between the error signal and the ramp signal in response to a predetermined trigger signal.

The utility model relates to a photovoltaic bypass protection and countercurrent prevention module, a junction box assembly and a junction box. The device mainly comprises N groups of first electronic devices with unilateral conductivity, the N groups of first electronic devices are configured to be arranged in a junction box assembly and connected in series, and the first electronic devices are configured to be second electronic devices with an anti-reflux function and used for being connected in series and parallel with a solar cell sub-series. The second electronic device is configured to be arranged in the junction box assembly and connected with the N groups of first electronic devices in series, a first electrode of the second electronic device is configured to be electrically connected with a second electrode of a series circuit formed by the N groups of first electronic devices, and a second electrode of the second electronic device is configured to be electrically connected with an external cable. The junction box assembly is beneficial to preventing the photovoltaic bypass protection and anti-reflux module from being influenced by reverse current, and is convenient to quickly assemble and use.

According to the mechanical direct-current circuit breaker based on the variable inductor and the method, in the circuit breaker, a switch branch comprises a vacuum switch VB and a current sensor which are connected in series; the reverse injection branch is connected in parallel to the two ends of the vacuum switch VB, comprises a pre-charging capacitor, a discharging thyristor, a multi-stage series inductor and a parallel thyristor module, and is selectively connected in series with the multi-stage series inductor according to the detected fault current so as to realize variable inductance; a reverse injection current is formed to realize current zero passage and arc quenching of the VB fracture of the vacuum switch; the energy consumption branch is connected in parallel to two ends of the vacuum switch VB and is used for dissipating residual energy in the loop after the mechanical direct current circuit breaker is switched off; the controller is connected with the current sensor and the thyristors and used for judging the number of inductors needing to be input according to the rise rate and amplitude of fault current and controlling the corresponding thyristors to be switched on, and graded inductor series-in and reverse current injection of the multi-stage series inductors of the variable inductor are achieved.

The invention discloses a method for simulating reverse current generation of an anion-exchange membrane water electrolyser and application of an accelerated stress test on the influence of the reverse current on an electrode, and relates to the technical field of electrochemistry. The method for generating the reverse current comprises the following steps: in a constant electrolysis state, 0V is applied at the moment of shutdown, the anode potential crosses the equilibrium potential, an instantaneous reverse polarization signal of-1.0 V vs. RHE appears, and then the instantaneous reverse polarization signal is quickly attenuated and approaches to zero, which indicates that the reverse current is successfully induced. The accelerated stress test method comprises the following steps of: respectively operating under different current densities, re-stopping and re-starting after operating under each current density, and repeating the operation. According to the method, real-time tracking and quantitative evaluation of the AEMWE anode failure process are achieved, the activity attenuation path and the inert covering layer forming process of the anode under the reverse current condition are defined, and reference is provided for reliability evaluation of the AEMWE electrode under the fluctuation working condition.

The invention relates to the field of integrated circuit manufacturing, in particular to the technical field of manufacturing of semiconductor device special equipment such as a photoetching machine and an etching machine special for production, and provides a through hole filling electroplating method and system for a printed circuit board. The method comprises the following steps: carrying out laser micro-through-hole processing on the printed circuit board; carrying out glue removal treatment on the printed circuit board with the micro through hole; carrying out black hole treatment or direct electroplating treatment on the degummed printed circuit board; performing porefilling electroplating on the treated printed circuit board by using an acidic copper plating porefilling special liquid medicine; in the hole filling electroplating process, a multi-stage electroplating current parameter program is adopted, in-hole pre-plating is carried out at low current density in the initial stage, it is ensured that hole walls are evenly covered, after the main hole filling stage is started, pulse or periodic reverse current is adopted, the current density is increased in a stepped mode, and through holes are filled with acid copper plating hole filling special liquid medicine; and parameters are adjusted at the last stage of filling to ensure that the copper thickness of the hole surface is uniform, and dished pits or excessive recesses are avoided.

A semiconductor device is capable of generating a correct over-temperature detection signal for an output transistor even if a reverse current from a load to the output transistor occurs. A temperature sensing diode is formed on the semiconductor substrate adjacent to the power transistor, and generates a forward voltage whose magnitude reflects the temperature of the output transistor. The over-temperature detection circuit detects an over-temperature state of the power transistor by comparing a magnitude of the forward voltage with a reference voltage, and asserts an over-temperature detection signal. The reverse current detection circuit detects the occurrence of a reverse current in the power transistor and asserts a reverse current detection signal during the occurrence. The semiconductor device performs processing such as masking an over-temperature detection signal using a reverse current detection signal.

The utility model provides an alternating current and direct current power supply conversion protection device which can meet the power supply requirements of different devices for alternating current and direct current, can avoid power failure and is stable in work. The system comprises an AC / DC power supply module used for converting alternating current commercial power into direct current and outputting power supply, a battery module used for storing energy and discharging, a charging module used for charging the battery module, and a first ideal diode circuit connected with the AC / DC power supply module and the charging module, the positive electrode is positively conducted when an input voltage is not less than a preset voltage; the soft protection module is connected with the battery module and the charging module and is used for protecting the battery module and preventing short circuit; the second ideal diode circuit is connected with the soft protection module and is used for preventing reverse current from being generated; and the output module is connected with the first ideal diode circuit and the second ideal diode circuit and is used for outputting the power supply to load equipment.

This application provides a stepper motor driving device, method, and system, relating to the field of equipment control technology. The device includes: a first signal generation module for generating a first SPWM signal and a second SPWM signal; wherein the first SPWM signal and the second SPWM signal have the same waveform but are time-staggered by half a carrier cycle; and a first current control module for applying the first SPWM signal and the second SPWM signal to the upper bridge arm switches on both sides of a first H-bridge driving circuit, respectively, to control the magnitude and direction of the first driving current. This application, by staggering the SPWM control signals on both sides of the same H-bridge by half a cycle, naturally divides the H-bridge behavior into two driving segments and two slow decay modes within a driving cycle, effectively avoiding reverse current during the driving process, reducing operating noise, and improving driving efficiency.

The application provides a voltage converter. The voltage converter comprises a primary circuit, a secondary circuit and a discharge control unit. The secondary circuit comprises a first MOS tube and an output capacitor. The first MOS tube is connected with the discharge control unit. The discharge control unit is used for controlling the first MOS tube to work in a linear region when the voltage converter is in a shutdown state or an abnormal protection state. In the technical scheme, after the voltage converter stops working, the first MOS tube is controlled to work in the linear region, so that the first MOS tube consumes the residual voltage on the output capacitor in the voltage converter as a resistance. In this way, when the voltage converter is started, the pre-bias voltage is reduced or disappears, so that an excessively large reverse current is avoided, and thus the failure of components in the voltage converter is avoided.

The application discloses a relay, and belongs to the technical field of electric appliance switches. The relay comprises a first shell, an electromagnetic structure, a moving contact structure and a stationary contact. The electromagnetic structure and the stationary contact are both fixed in the first shell. The electromagnetic structure is provided with two first magnetic parts which are spaced apart along a first direction. The moving contact structure is slidably arranged in the first shell along a second direction. The moving contact structure comprises a moving contact, a first moving magnetic part and a second moving magnetic part which are sequentially and spaced apart along the second direction. The magnetic poles of the first moving magnetic part and the second moving magnetic part are opposite. When a forward current is input into the electromagnetic structure, the two first magnetic parts are both attracted to the first moving magnetic part, and the moving contact and the stationary contact are separated. When a reverse current is input into the electromagnetic structure, the two first magnetic parts are both attracted to the second moving magnetic part, and the moving contact and the stationary contact are in contact. The relay provided by the application is beneficial to increasing the opening distance between the moving contact and the stationary contact, and reducing the risk of electric leakage from the moving contact and the stationary contact to the electromagnetic structure.

The invention provides a photovoltaic inverter DC side anti-reflux device and method, and belongs to the field of distributed power generation. The device is connected in series between a photovoltaic string and an inverter, and comprises a circuit breaking unit, a parallel power adjusting unit, a blocking diode and the like. The control method adopts a hierarchical control strategy of removal and adjustment: a controller collects the countercurrent power of a grid-connected point in real time, and when countercurrent is detected, the countercurrent power is judged; if the countercurrent power exceeds the output power of the single-path photovoltaic string, cutting off is executed, the corresponding number of circuit breaking units are directly controlled to be disconnected, and part of the photovoltaic string is physically cut off; and controlling the residual trace countercurrent power, calculating a PWM duty ratio by using a direct calculation or incremental PID algorithm, and driving a power adjusting unit to carry out hardware chopping consumption or suppression. According to the invention, long-time heating of the power device under large current is avoided, the problem of overlarge power regulation granularity caused by pure cutting is solved, and smooth and rapid countercurrent prevention of the photovoltaic system is realized.

In one embodiment, the electrical switching system (1) comprises semiconductor switches (41, 42, 43) and a control unit (3), in which-the semiconductor switches (41, 42, 43) each comprise a transistor structure (51) and a diode structure (52), which are electrically connected to each other in an anti-parallel manner,-the semiconductor switches (41, 42, 43) are arranged in a first branch (21) and a second branch (22), the first branch is a series connection of the first semiconductor switches (41, 43) and the second branch is a series connection of the second semiconductor switches (42), the first branch (21) and the second branch (22) being electrically connected in parallel, and-in the case that a defective semiconductor switch (43) of the first semiconductor switches (41, 43) is in a short-circuit failure mode,-the first semiconductor switches (41, 43) of the first semiconductor switches (41, 43) of the second semiconductor switches (42) of the second semiconductor switches (42) are electrically connected in parallel. The control unit (3) switches on the remaining operating semiconductor switches (41) of the first semiconductor switches (41, 43) during the phase of the reverse current flow direction.

The present disclosure relates to a level shifter for shifting a voltage signal from a first voltage domain to a second voltage domain, the level shifter comprising: an input circuit configured to receive a voltage signal in the first voltage domain, an output circuit configured to output a voltage signal in the second voltage domain, and a protection circuit configured to prevent a reverse current flow between the input circuit and the output circuit.

The invention provides a current limiting circuit suitable for low-temperature starting of airborne electronic equipment. Comprising a charging current-limiting module used for suppressing a starting current when airborne electronic equipment is started at a low temperature or a capacitive load is too large, a power supply and discharge protection module used for guaranteeing circuit power supply continuity and blocking a reverse current when an external 28V power supply of the equipment is instantaneously disconnected or fluctuates, and a filtering module used for suppressing electromagnetic interference of the circuit. And the charging current-limiting module, the power supply and discharge protection module and the filtering module are connected to form a power supply loop of the airborne electronic equipment. The starting current in a low-temperature environment or when a capacitive load is too large is effectively suppressed, the suppression of the starting current of an electronic circuit and an integrated circuit is realized, the circuit power supply continuity when a power supply is instantaneously disconnected or fluctuates is ensured by adjusting the current-limiting resistor, and the starting current suppression circuit has good electromagnetic interference suppression capability and is suitable for popularization and application. Stable starting and operation of airborne electronic equipment under extreme working conditions are ensured, and the problem that starting of electronic products is difficult in the low-temperature starting process and the capacitive load is too large is solved.